PRESIDENT’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

FORM TWO INTER-SECONDARY SCHOOL EXAMINATIONS

033 BIOLOGY 

 Time: 2½ Hours YEAR: 2025 

INSTRUCTIONS

1. This paper consists of THREE (3) sections A, B, and C with a total of ten (10) questions.
2. Attempt ALL questions.
3. All answers must be written in the spaces provided.
4. Write your examination number on every page in this question paper.
5. All writing must be in blue/black ink. Diagrams must be drawn in pencil and labeled in ink. 
6. Cell phones and calculators are not allowed in the examination room.

 SECTION (15 marks) 

Answer all questions in this section

1. for each of the items i-x, choose the correct answer from the given alternatives and write the letter in the box provided

i. Grasshoppers are classified as herbivores. Why is this the case? 

1. They consume other animals.
2. They possess wings for flight.
3. They obtain nourishment from bacteria.
4. They primarily eat plants. 

ii. Imagine you're observing a group of microscopic organisms. Which of these groups would you find within the kingdom Protoctista?

1. Bacteriophages and Paramecium
2. Euglena and Yeast
3. Plasmodium and Amoeba
4. Bacteria and Trypanosome 

iii. A friend has just been stung by a bee, and you want to provide immediate assistance. What would be the most appropriate first aid action to take? 

1. Ensure the person drinks a lot of water.
2. Create a paste of baking soda and apply it to the affected area for a short period.
3. Leave a cotton ball on the sting site for a few minutes.
4. Give the person an oral rehydration solution.

iv. In a small village in Tanzania, the people typically eat a diet of meat, beans, and Ugali. To enhance their nutritional intake, what additional food groups would you suggest they include in their meals?

1. Fish and sweet potatoes
2. Bread and green vegetables
3. Cassava and fruits
4. Eggs and potatoes

v. During a laboratory experiment, a scientist identifies a new type of cell. This cell has a clear outer wall but lacks a well-defined nucleus. What type of organism is this cell most likely to belong to?

1. Protozoa
2. Plants
3. Bacteria
4. Virus 

vi. Electronic waste (e-waste) is a growing concern. In both rural and urban areas of Tanzania, what's the most responsible way to manage e-waste to protect both current and future generations?

1. Bury it underground.
2. Dispose of it in regular rubbish pits.
3. Hand it over to informal electronics repair workers on the streets.
4. Ensure it is properly recycled and its components reused.

vii. Think about the various ways organisms breathe. Which of the following is NOT a respiratory surface?

1. Skin
2. Lungs
3. Heart
4. Gills 

viii. Imagine you're examining a collection of animal tissues under a microscope. Which of these groupings represents a collection of ONLY animal tissues?

1. Muscle, blood, and bone
2. Brain, bone, and liver
3. Skin, heart, and brain
4. Muscle, liver, and skin 

ix. When animals undergo anaerobic respiration, what is the primary product?

1. Alcohol
2. Uric acid
3. Lactic acid
4. Pyruvic acid

x. In the circulatory system, there are specific blood vessels responsible for carrying deoxygenated blood away from the heart. What are these blood vessels called?

1. Capillaries
2. Veins
3. Arteries
4. Pulmonary artery

2.Match the phrase in List A with responses in list B by writing the letter of the correct response from list B below. 

  SECTION B (70 Marks) 

Answer all questions from this section

3. (a) Think about what distinguishes a living organism, like a plant or an animal, from a nonliving object, like a rock. What are the key actions or processes that living things perform that set them apart? List six of these essential life processes.

(b)Imagine you're helping someone who is bleeding. Why is it crucial to protect your own hands by covering them before offering assistance? Explain the reasons behind this important first aid practice.

4. (a) In the field of biology, there are two primary approaches to classifying organisms: the natural system and the artificial system. What are three advantages of employing the natural system of classification compared to the artificial system? Explain your reasoning.

(b) While often viewed negatively, viruses can have significant economic impacts. Describe four ways in which viruses influence economic activities, considering both their potential benefits and drawbacks

5. (a) Photosynthesis is a fundamental process in the natural world. What are four reasons why someone might argue that photosynthesis is the most crucial chemical reaction for supporting life?

 (b) Think about the digestive process and the various substances involved. What is one key function that each of the following substances performs in breaking down food and facilitating nutrient absorption?

1. Hydrochloric acid
2. Bile
3. Saliva

6. A group of students is studying a small woodland area. They've recorded the different types of organisms they found and how many of each type were present. Here is the data they collected:

i) Looking at the list of organisms found in the woodland, which ones form the base of the food chain by making their own food?

ii) Imagine the organisms in the woodland as interconnected links in a chain. How would you visually represent the feeding relationships between these organisms, showing who eats whom within this small ecosystem?

iii) Think of the food web as a network of interconnected pathways. Can you trace at least three distinct pathways that show a straight line of feeding relationships, from one organism to another?

7. (a) Lungs are vital organs for many land-dwelling animals. What key features and adaptations allow lungs to effectively function as a respiratory surface?

(b) Respiration is a critical process for all living things, but it's not always the same. (two points)

8. (a) Our bodies have a remarkable defense system to protect us from illness. However, various factors can influence how effectively this immune system functions. What are some of the key elements that can impact the strength and responsiveness of our body's immunity? Briefly explain how these factors affect our ability to fight off disease.

(b) Biology is the study of life, exploring everything from the smallest cells to the largest ecosystems. Why is the knowledge gained from studying biology so important? Provide three reasons that highlight the value of biological understanding.

9. The Mkomazi game reserve in Tanzania has a special area dedicated to protecting black rhinos. Why did they need to create this sanctuary, and what are they hoping to achieve?

(b) While it's true that some bacteria can be harmful, even dangerous, many others are incredibly helpful to humans and other living things. Can you give four examples of how bacteria benefit humans and contribute to our well-being?

 SECTION C (70 Marks) 

Answer question number10.

10. Transpiration, the process of water movement through a plant and its evaporation from leaves, is a vital process influenced by both the plant's structure and its environment. Provide six biological facts that demonstrate how both plant characteristics and external factors control the rate of transpiration.

PRESIDENT’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

TANZANIA HEADS OF ISLAMIC SCHOOLS COUNCIL

FORM TWO INTER ISLAMIC MOCK EXAMINATION

BIOLOGY

Tuesday,22July 2025 p.m.

INSTRUCTIONS:

1. This paper consists of sections A, B and C with a total of ten (10) questions.
2. Answer ALL questions in the spaces provided.
3. Section A carries fifteen (15) marks, section B seventy (70) marks and section C carries fifteen (15) marks.
4. All writing should in blue or black ink except drawing which must be in pencil.
5. All communication devices and any unauthorized materials are not allowed in the assessment room.

SECTION A (15 Marks)

Answer all questions in this section.

1.For each of the items(i)-(x),choose the correct answer from among the given alternatives and write its letter in the box provided.

(i)In a moist area, Asha observed a tiny organism under a microscope. It had no true nucleus and could live in both air and water.Suggest the group to which the organism belongs.

1. Fungi
2. Virus
3. Prolozou
4. Bacteria

(i)Biologists have developed varieties of trees that grow well in dry areas.Such trees are used to reclaim dry land for human settlemcnt.This shows that Biology is important in the field of

1. Agriculture
2. Forestry
3. Nutrition
4. Medicine

(iii)During school assembly, students are required to great teachers and fellow students politely. What does this practice mainly promote?

1. Fear among others
2. Respect and good relationship
3. Shyness and silence
4. Flattcring

(iv)Ali found their cow chewing food at night,even though it was not given any food at that time. He remembered that a cow can return slurred food in the stomach and chew it again. What biological term best describes the action of the cow?

1. Assimilation
2. Absorption
3. Regurgitation
4. Egestion

(v)Elon Musk wants to creale a robot similar to a grasshopper. Which structure should he use for taking in and out air for his robot?

1. Lungs
2. Gills
3. Book lung
4. Trachcal system

 (vi)Plants need water for the process of manufacturing food during the day; at the same time, they lose water through the leaves, which is regarded as an evil process. The process is termed as

1. Transpiration
2. Guttalion
3. Respiration
4. Translocation

(vi)Jafari wanted to heat a mixture of water and maize Nour during a biological experiment. What set of equipment will be suitable for his task?

1. Mortar and pestle
2. Retort stand and Bunsen burner
3. Tripod stand and funnel
4. Bunsen buner and Tripod stand

(vii)Rehema was in the school garden and saw a chameleon blended with its surroundings so as to avoid harm. What is the adaptation shown by the chameleon?

1. Predation
2. Camouflage
3. Sticky
4. Colour change

(ix)While walking home from school,Fatma noticed that some bean plants on a farm had yellowing leaves and appeared weak What minerals do the plants likely to lack?

1. Calcium,sulphur and phosphorus
2. Nitrogen,Potassium and Magnesium
3. Magnesium,Zinc and Sulphur
4. Potassium,calcium and Zinc

(x)Although it is not usually mentioned,our blood plays a key role in the fight against malaria. Which component of the blood is responsible for this duty?

1. Leucocytes
2. Erythrocytes
3. Plasma
4. Thrombocytes

2.Match the descriptions of the methods used in preserving food substances in LIST A with the corresponding method in LIST B by writing the letter of the correct response beside the item number in the table provided.

SECTION B(70 Marks)

Answer all questions in this section

3.During the rainy season, many students at Mwambogule High School were suffering from vomiting watery diarhea,and their eyes were sunken. The community health officer visited them and gave them health education about how to protect themselves against the disease that invaded them.

(a)(i)   Which disease were they suffering from?

(i)   In four(4)points, describe how such a disease is transmitted.

 (b)Suggest five (5)practical ways the students can use to control its spread.

4.During a lab session, students observed the stem of a plant placed in coloured water.After a few hours, they noticed colour change in the leaves,indicating the upward movement of coloured water.

(a)What forces were responsible for the appearance of the coloured water particles in the leaves? Give any two forces.

 (b)How is this process necessary for the survival of the plant? Give four (4)points.

5.In 1665,Robert Hooke developed the theory, which is widely accepted in explanation of the relationship between cells and living things.

(a)State the five (5)components of the proposed theory.

 (b)Draw the generalized structure of the bacterial call.

6.You are at school, and one of your classmates accidentally cuts his/her hand with a shap object. The wound is bleeding heavily, and there's no teacher nearby at the moment.

(a)As a knowledgeable student in First Aid, summarize the steps you would take to provide immediate care to your classmate.

 (b)List any five (5) equipment / items that you will use to provide immediate care in 6(a) above.

7.Your Ward Community development officer has invited you to educate the community about care and support for people living with HIV/AIDS. Prepare a speech under the following guidelines:

a) The Four (4)stages through which a person who is infected with HIV/AIDS pases through

 (b)The six(6) behaviors through which people can avid discrimination and stigmatization when caring for a person living with HIV/AIDS

8.(a)Ibrahim was struggling to convince Samia to Study Biology. How can you help him to make her study Biology? Use three (3)points.

 (b)How do the following fields relate to Biology?

1. Medicine
2. Nutrition

9.A biologist collected blood samples from an athlete at intervals to determine the amount of lactic acid accumulation. The following results were obtained.

(i)From the result shown in the table above, which range of time represents the period of recovery?

 (ii)Name the process which led to the accumulation of materials mentioned in the table above.

(iii)In which animal tissue does the materials mentioned in the table above are formed?

(iv)What are the effects of the accumulation of materials mentioned in the table above in the body?

 (v)Write a word equation for the process in 7(i)above if it occurs in plants.

SECTION C(15 Marks)

Answer question ten (10)

10.Life has become easier due to the presence of fungi, but sometimes fungi may cause life to become worse.Justify the statement by giving four (4)and two (2)points on how fungi make life easier and worse, respectively.

PRESIDENT’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

CATHOLIC SCHOOLS ACADEMIC UNION(CASAU)

FORM TWO PRE NATIONAL ASSESSMENT

BIOLOGY

Time: 2:30 Hours 2025

INSTRUCTIONS:

1. This paper consists of sections A, B and C with a total of ten (10) questions.
2. Answer ALL questions in the spaces provided.
3. Section A carries fifteen (15) marks, section B seventy (70) marks and section C carries fifteen (15) marks.
4. All writing should in blue or black ink except drawing which must be in pencil.
5. All communication devices and any unauthorized materials are not allowed in the assessment room.

SECTION A (15 Marks)

Answer all questions in this section.

1. For each question item (i) - (x) choose the correct answer among the given alternatives and write its letter in the box provided below.

i. What is the primary cause of malaria?

1. Bacteria
2. Fungi 
3. Virus
4. Protozoa 

ii. Which of the following is the main cause of elephantiasis?

1. Infection by a parasitic worm 
2. Bacterial infection 
3. Poor blood circulation
4. Fungal infection 

iii. Hemophilia is a genetic disorder that affects the body's ability to:

1. Fight infections 
2. Regulate blood sugar levels 
3. Clot blood properly
4. Produce red blood cells 

iv. Which of the following is an example of passive immunity?

1. Immunization with a vaccine
2. Exposure to a pathogen
3. Transfer of antibodies from mother to baby via breast milk 
4. Bone marrow transplant

v. What is the main transmission route of the cholera bacterium Vibrio cholerae?

1. Airborne droplets 
2. Contaminated water or food
3. Direct contact with infected skin 
4. Infected blood transfusions 

vi. Which of the following is a characteristic feature of mushrooms?

1. They are plants that photosynthesize 
2. They are fungi that decompose organic matter
3. They contain chlorophyll for photosynthesis 
4. They are classified as animals 

vii. Fern plants are characterized by:

1. Flowering seeds 
2. Non-vascular tissue
3. Large, leathery leaves called fronds
4. Lack of roots 

viii. What is the main characteristic of osmosis?

1. Movement of water from a region of low solute concentration to high solute concentration
2. Movement of solute from low concentration to high concentration
3. Active transport of ions through the cell membrane 
4. Movement of molecules in both directions equally 

ix. Which force best explains why water molecules in the xylem stick together, forming a continuous water column?

1. Osmosis 
2. Cohesion 
3. Root pressure
4. Capillarity

x. Which process describes the upward “push” of water into the xylem due to osmotic pressure in roots, occasionally causing guttation at night?

1. Transpiration pull 
2. Adhesion 
3. Root pressure
4. Capillary action

2. Match the human digestive system from List A with relevant parts (structures) in List B by writing the letter of the correct response below the corresponding item number in the table provided.

Answers: 

SECTION B (70 Marks)

Answer all question in this section.

3. A stiff porridge was put on wet board. After a while grey structure formed which later turned to black thread-like structure and finally club - shaped was formed.

a) Write the common name of the organisms grown on the stiff porridge

b) Name the Kingdom to which the organisms belong .

c) Name the Phylum/Division to which the organisms belong ..

d) State any four merits of organism above ..

4. (a) What does the following terms mean? 

1. Egestion
2. Emulsification

(b) Name the part where digestion of the following food substances begins

1. Starch .. 
2. Protein 
3. Lipids .

(c) Give any four biological importance of water in human body

5. Form two students were given a task of performing biological experiment to test the presence of food in a variegated leaf but most of the students were demanded experimental manual that could lead them through by giving them procedures. As form two student help them to construct experimental procedures that can be used to follow during testing presence of starch in leaf.

6. (a) Define the following term

i. Transportation of materials in living organisms

ii. Systole

iii. Diastole

(b) Study the diagram below that represent transverse section of plant organ and answer the questions that follows:

1. From which part of the plant organ was the section obtained?
2. Give two reasons for your answer in (b)(i) above 
3. Name the part labelled J, K, L and M
4. State two functions of the part labelled M

7. During school match one student was injured and on her wound blood failed to clot because of missing one of the blood components. With regard to this statement answer the following questions

(a) Name blood component which causes blood to clot.

(b) Name the type of disease which she was suffering from.

(c) Mention one symptom of disease.

(d) Suggest one measure that can be used to help the student .

(e) Which type of body system is affected by disease?

8. After heavy rain season a house of Mr. BIOLOGY was surrounded with stagnant water with green scum

1. Identify the microorganism that cause green scum on water
2. Draw a well labelled diagram of microorganism identified and label the part that responsible for the following, locomotion, regulate water content, photosynthesis process.
3. Name the kingdom of the organism identified
4. Name the phylum of the organism identified
5. Name the disease that can be caused by the organism identified above

9. (a) Aerobic respiration is important than anaerobic respiration. Mention two advantages of anaerobic respiration.

(b) Mention three features of respiratory surfaces

(a) Name two products of anaerobic respiration in plants

SECTION C (15 Marks) Answer this question.

10. Blood circulation is very important in human body. Argue by giving six points

PRESIDENT’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT RUFIJI DISTRICT COUNCIL

FORM TWO COMPETENCE EXAMINATION

033 BIOLOGY 

 Time: 2½ Hours YEAR: 2025 

INSTRUCTIONS

1. This paper consists of THREE (3) sections A, B, and C with a total of ten (10) questions.
2. Attempt ALL questions.
3. All answers must be written in the spaces provided.
4. Write your examination number on every page in this question paper.
5. All writing must be in blue/black ink. Diagrams must be drawn in pencil and labeled in ink. 
6. Cell phones and calculators are not allowed in the examination room.

SECTION A (16 Marks) 

Answer all questions from this section 

1. Choose the most correct answer among the given alternatives and write down the answer in the space given.

(i) Which nutritional disorder would result if a person consumes larger quantities of carbohydrates than body’s requirement?

1. Rickets
2. Marasmus
3. Beriberi
4. Obesity

(ii) When investigating the effect of fertilizers on crop yield, the crop yield is

1. Independent variable
2. Dependent variable
3. Control experiment
4. Determining factor

(iii) . . . . . . . are applied on the wound to prevent infections

1. Malaria medicine
2. Antiseptic solution
3. Liniment
4. Elastic bandages

(iv) A nurse told a mother with a bow-legged child that her child had a vitamin deficiency. Which of the following could the deficient vitamin?

1. Vitamin D
2. Vitamin B
3. Vitamin C
4. Vitamin A

(v) The following can be used to alleviate pain on a person who has been stung by bees.

1. Vinegar
2. Water
3. Lemon juice
4. Washing soda

(vi)Which of the following structures of organisms are homologous?

1. Wings of birds and wings of grasshoppers
2. Wings of bats and arms of baboons
3. Arms of man and wings of butterfly 
4. Wings of housefly and wings of butterfly 3 

(vii) Which of the following is a viral disease?

1. Malaria
2. Candidiasis
3. HIV/AIDS
4. Cholera

(viii) Which of the following set of structures represents organs?

1. Heart, Liver and Eye
2. Heart, Blood and Eye
3. Brain, Skin and Blood
4. Intestines, Liver and Shoot

(ix) A form two student was studying amoeba under the light microscope. The place where she placed the spacemen is called.

1. Nosepiece lens
2. Diaphram
3. Stage
4. Eyepiece lens

(x) Organelles responsible for protein synthesis in a cell are called

1. Centrioles
2. Chromosomes
3. Lysosomes
4. Ribosomes

Answers

2. Match the structure of a cell in list B with their corresponding function from list A

Answer

SECTION B (54 Marks) 

Answer all questions from this section 

3. (a) Seypalm secondary school Biology laboratory is said to be one of the best Biology laboratories in the country. Briefly describe seven features that must have been observed in the laboratory that make people believe Seypalm Secondary School Biology laboratory to be the one of the best.

(b) Briefly explain the difference between a model and a specimen.

(i) 4. (a) Your neighbours have come to ask you for help that their mother has contracted a shock attack. Outline four measures you would take to help the victim.

(b) What can you state to your neighbours as the possible causes of the problem?

5. A damp slice of bread was observed to have grown dark and fuzzy masses

(a) (i) Give the phylum of the observed organisms

(ii) State three main features of the member organisms belonging to that phylum.

(b) Draw a lablled diagram of the observed organism as seen under a microscope or a powerful hand lens.

6. (a) parents and teachers insist on training their children and students on personal hygiene skills.

(i) What exactly do they mean by personal hygiene?

(ii) State any four principles of personal hygiene

(b) Give four reasons why parents and teachers insist on personal hygiene.

7. Juma believes that Classification was another unnecessary topic that made Tanzanian education complicated without being any helpful in real life situations. Use your knowledge of biology to prove to him that he is wrong.

8. (a) Identify seven life process that occur in living things that make them different from nonliving things

b). If the magnification power of the eyepiece lens is x10 and the total magnification of a specimen is x400, work out the magnification power of the objective lens

9. (a) Parents brought two children to a health Centre, one was diagnosed with marasmus and the other was diagnosed with kwashiorkor.

i. State the cause of each of the disorders as distinct from each other.

ii. Give two symptoms of kwashiorkor that distinguishes it from marasmus.

(b) The child with kwashiorkor was also bowlegged; the doctor said it was also due to malnutrition. State three nutrients that must be missing in the child’s diet and give the function of each.

SECTION C (30 Marks)

Answer all question from this section

10. Diseases can be classified into communicable and non-communicable. Educate the public on this classification of diseases under the following guidelines.

1. Meaning of disease 
2. Communicable disease 
3. Categories of communicable disease 
4. Non – communicable disease
5. Categories of non-communicable disease 
6. Conclusion

PRESIDENT’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

KIGOMA DISTRICT COUNCIL

FORM TWO MOCK EXAMINATION – MAY 2025

BIOLOGY

Time: 2:30 Hours Thursday 22^st May 2025

INSTRUCTIONS:

1. This paper consists of sections A, B and C with a total of ten (10) questions.
2. Answer ALL questions in the spaces provided.
3. Section A carries fifteen (15) marks, section B seventy (70) marks and section C carries fifteen (15) marks.
4. All writing should in blue or black ink except drawing which must be in pencil.
5. All communication devices and any unauthorized materials are not allowed in the assessment room.

SECTION: A (15 Marks)

Answer ALL questions from this section

1. For each of the item (i) – (x), choose the correct answer from among the given alternatives and write its beside the number in the box provided.

I. Why a glass hopper called herbivore?

1. It feeds on animals
2. It use wings to fly.
3. It feed on bacteria
4. It feed on plants

II. Which of the following organism are members of the kingdom protoctista?

1. Bacteriophage and paramecium
2. Euglena and Yeast.
3. Plasmodium and amoeba
4. Bacteria and trypanosome

III. Which of the following is recommended as a first aid procedure for a victim who has stung by a bee?

1. Giving plenty water to the victim.
2. Applying baking soda paste on the stung area few minutes
3. Leaving the cotton on the stung area few minutes
4. Giving oral rehydration drink to the victim.

IV. The residents of a certain village in Kigoma feed on meat, beans and Ugali. In order to improve their health which of the following would you recommend to add in their diet?

1. Fish and sweet potatoes
2. bread and green vegetables.
3. cassava and fruits
4. fruits and green vegetables

V. A biologist discovered a new cell in a culture. The new cell had a distinct cell wall but did not have a definite nucleus. The all is mostly likely to be:

1. Protozoa
2. Plants.
3. Bacteria
4. Virus

VI. Select the good advice on how to deal with electronic wastes in rural and urban places for the betterment of present and future generation

1. they should get buried under the ground
2. they should be buried in rubbish pits.
3. they should be given to street electrician
4. they should be recycled into other products

VII. All of the following are respiratory surface except:

1. Skin
2. Lung.
3. Heart
4. Gills

VIII. Which one of the following is the list of animal tissue

1. Muscle, blood and bone
2. Brain, bone and liver.
3. Skin, heart and brain
4. Muscle, liver and skin

IX. What is the main product of anaerobic respiration in animals

1. Alcohol
2. Uric acid.
3. Lactic acid
4. Pyruvic acid

X. A blood vessel which conveys deoxygenated blood away from heart is called:

1. Capillaries.
2. Artery
3. Vein
4. Pulmonary artery

2. Match the items in list A with the correct responses in list B by writing the correct letter in the provided space below.

SECTION: B (70 Marks)

Answer ALL questions from this section

3. (a) What do you understand by the term “Botany”?

(b) Identify seven (7) life process that occur in all living things that make them different from non-living things.

4. (a) How does a plant cell differ from an animal cell? Give three key points.

(b) List four (4) organelles that are present in both plant cell and animal cell.

5. (a) Draw the diagram of human digestive system and show the following parts;

(i) Mouth (ii) Oesophagus (iii) Stomach (iv) Small intestine(duodenum and ileum) (v) Colon.

(b) What is the first organ where digestion begins?

(c) Which tube carries food from the mouth to the stomach?

(d) What organ stores bile and helps break down fats?

(f )What is the last part of the digestive system where waste is stored before elimination?

6. A bread was put in a wet cupboard. After a few days black thread like structure which ended up in club like shape appeared on the bread.

a) The name of organism grown on the bread surface is called?

b) Name the kingdom in which the observes organism belong?

c) The phylum in which the observed organism is called?

d) Outline the economic importance of the kingdom you have mention in (b) above

7. A child complains to her mother that she has a headache, joint in pain, uneasy feeling, vomiting and abdominal pain. Her mother realizes that the child also has a fever. She eventually takes her to hospital.

a) Which disease do you think the child is suffering from? 

b) What is the cause of the disease? 

c) Mention two ways of transmission of the disease

d) How can the disease be prevented?

8. (a) What is Biology laboratory?

(b) List five equipment's that are found in the biology laboratory

(c) List any three biology laboratory rules.

9. (a) Suppose you are in a class and your biology subject teacher brings you an unknown organism. Which characteristics will you look for to confirm that it belongs to kingdom plantae?

(b) Name the division in which each of the following organisms belong

1. Moss plant
2. Fern plant

SECTION: C (15 Marks)

Answer question ten

10. Write an essay on waste basing on the following guidelines;

• Meaning of waste and waste disposal
• Types of waste (Four points)
• The basic principles of waste disposal (Three points)
• Five effects of poor waste disposal at home and school.

THE UNITED REPUBLIC OF TANZANIA PRESIDENT’S OFFICE, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT KALIUA DISTRICT COUNCIL FORM TWO PRE – MOCK DISTRICT JOINT EXAMINATION - MAY 2024

BIOLOGY.

TIME 2:30 HRS

INSTRUCTIONS

1. This paper consists of three sections A, B and C.
2. Answer all questions in sections A and B and C
3. All diagrams should be drawn in pencil.

SECTION A (15 MARKS)

1.Question (i)- (x) are multiple choice items write down the best answer in each case .

i.Which branch of biology deals with the study of plants ?

1. Taxonomy
2.  Botany
3.  Ecology
4.   Zoology

ii.A liver is an example of :-

1. Tissue
2. a system 
3. an organ
4.   an organelle

iii.The ability of the body to fail to resist various infection :-

1. Vaccination 
2. immunity 
3. injection 
4. disease

iv.Green plants in a community are ecologically referred to as :-

1. Consumers 
2. decomposer 
3.  producers 
4. primary consumers

v.State of physical, mental and social well being is .

1. Health 
2. Immunity 
3.  Diseases 
4.  Good manner

vi.Practice of keeping one self clean all the time by maintaining a clean body from time to time is .

1. Good manner
2.  Personal hygiene 
3. Health 
4. Immunity

vii.Organs that work together to perform a certain function ..

1. Tissue 
2. Organ 
3. System 
4. Organism

viii.Relationship in which one organism benefit and the other one suffer by living together is called ..

1. Mutualism 
2.  Commensalism
3. Parasitism 
4.  Nutrition

ix.Ricket is a malnutritonal disorder caused by the lack of ..

1. Protein 
2. Carbohydrate
3.  Vitamin E
4.  Vitamin D

x.Animals which feed on plants only are called .

1. Herbivores 
2. Carnivores 
3. omnivores 
4. insectivores

2. Match the phrase or term in list A with the correct term or phrase in list B

SECTION B (70 MARKS)

Answer all questions in this section

3.You have been provided with organisms in the box below:-

1. Which organisms are producers ?
2. Mention two organisms which are primary consumers
3. .Outline which are decomposers
4. State what will happen when lion and hyena are removed from the system?

4.Complete the following statements by writing the correct answer in the space provided Goat, Deer, Bacteria, Fungi, Maize Plant, Lion, Lizard, Stalk Borer, Wild Beest, Hyena, Carrot, Rabbit

1. Process by which food is poken down into form that can be absorbed and used by the body is . . . . . . . . . . .
2. Too much intake or too little intake of food can cause . . . . . . . . . . . .
3. Food containing all types of food nutrients in correct proportion is . . . . . . . . . . . .
4. Mode of nutrition where by organisms feed on dead decaying matter is called . . . . . . . . . . . .
5. Mode of nutrition where by organisms can make their own food from simple organic substances is . . . . . . . . . . . .

5.Form one student was asked to observe section of plant cell using the light microscope.

1. Why was it necessary to use such an instrument?
2. Draw a well labeled diagram of plant cell

6.(a) How does osmosis differ from diffusion (3points )

(b) What will happen when plant cell is placed in salt water concentration?

7. (a)What do you understand by the term ‘’ water borne diseases’’ as used in biology?

(b) Name any three water borne diseases

8.You have been provided with the following organisms

(a)Which organisms in table above belong to :-

1. Phylum Zygomycota
2. Ascomycota
3. Basidiomycota

(b)State the importance of studying mushroom at your school (4points)

9. (a) State the way the small intestine is adapted to its function.(Any three points).

(b) Give one role of each of the following components of

1. Gastric Juice,
2. .Hydrochloric acid,
3. Mucus,
4. Epiglottis

SECTION C (15MARKS)

Answer question (10)

10.Caring and support people living with HIV/AIDS is essential for them to live healthily lives. In SIX points justify this statement

THE UNITED REPUBLIC OF TANZANIA PRESIDENT’S OFFICE, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT 

FORM TWO MOCK II EXAMINATION CODE

 033 BIOLOGY 

TIME: 2:30 Hours May, 2024

INSTRUCTION

1. This paper consists of sections A, B and C with a total of ten (10) questions.
2. Answer all questions in the spaces provided.
3. Section A carries fifteen (15) marks, section B seventy (70) marks and section C carries fifteen (15) marks.
4. All writing must be in blue or black ink except drawing which must be in pencil.
5. Cellular phones and any unauthorized materials are not allowed in the assessment room.

SECTION A (15 Marks)

(Answer all questions in this section)

1. For each of the items (i) - (x), choose the correct answer from the given alternatives and write its letter in the box provided.
(i) The feeding relationship represented by the sequences of organisms "Green Plants --> Grasshopper --> Frog" is called:

1. A. Food web
2. Interaction
3. Food chain
4. Pyramid

(ii). Which of the following will be a step to follow in a scientific procedure after formulating a hypothesis?

1. Conclusion
2. Experimentation
3. Observation
4. Problem identification

(iii). Which of the following are communicable diseases?

1. Cancer, gonorrhea and syphilis
2. Cholera, gonorrhea and syphilis
3. Cholera, kwashiorkor and marasmus
4. Cholera, marasmus and rickets

(iv). Which of the following is not a proper method of waste disposal?

1. Use of landfill
2. Make pit latrine
3. Recycling of materials
4. Burning plastic waste at home

(v). An organism with a rigid protective wall made up of chitin material is a representative of which Kingdom?

1. Fungi
2. Monera
3. Plantae
4. Protoctista

(vi) Which one of the following are examples of animal tissues?

1. Muscle, blood and bone
2. Brain, bone and liver
3. Skin, heart and brain
4. Muscle, liver and skin

(vii). Which of the following types of waste cannot be recycled? ......... .

1. paper
2. metal scraps
3. used syringe
4. plastics

(viii). Why are bats and birds not placed in the same species while they are closely related organisms? ...............

1. They cannot interbreed to produce a fertile offspring
2. They can interbreed to produce a fertile offspring
3. One lays eggs and another can give birth
4. One possesses feathers and another short beak

(ix). Which one of the following is recommended as a First Aid procedure for a victim who has been stung by bee?

1. Sitting quietly
2. Giving huge amount of water to the victim
3. Applying baking soda paste on the bee stung area.
4. Leaving the cotton on the stung area for few minutes.

(x) What will happen when a red blood cell is placed in a more concentrated solution?

1. Crenation
2. Turgidity
3. Haemolysis
4. Plasmolysis

ANSWERS

2. Match the functions of the digestive enzymes in LIST A with the names of the specific enzymes in LIST B by writing the letter of the correct response below the corresponding item number in a table provided.

SECTION B (70 Marks)

(Answer All Questions)

3. Fausta and Isaka were in the Laboratory examining cells from different Living things using Light microscope. Fausta saw Cell A while Isaka saw Cell B as shown in Figure 1 below. Study their observation and then answer the questions that follow.

Cell A	Cell B

Figure 1

(a) What are the real names of cell A and Cell B?

(b) Tabulate four differences between the two cells named in 3(a).

(c) What are the four similarities between the two cells named in 3(a).

4. Name and draw the Laboratory apparatus that can be used to:

(a) Crush and grind solid complex things into fine powdered or soft simple substances.

(b) Picking up smaller animals such as insects without hurting them.

(c) Estimate the population of living things in an area.

(d) put and observe specimen closely.

(e) Heat, test and store chemicals.

5. Draw a neat diagram of human digestive system and label only regions of digestion in it.

6. Figure 2 is the diagram of a vector of some communicable diseases. Study it careful and then answer the questions that follow:

(a) What is the common name of the vector in Figure 2 above? _____________________

(b) Name two common pathogens that can be spread by the vector named in 6(a)

(c) Mention the disease caused by each pathogen named in 6(b)

(d) Explain four common preventive measures of the infections that can be transmitted by the vector named in

7. (a) What does artificial classification and natural classification mean?

(b) What are the similarities between Mushroom and Moss plant? Mention four points.

8. (a) State the functions of the following parts of the microscopes.

(i) Mirror (ii) Arm (iii) Base

(b) Calculate the highest total magnification of the Light microscope with 10x Eyepieces lens and 15x as well as 40x Objective lens magnification.

9. (a) explain four habits that everyone must consider during conversations.

(b) How can you know that a female human being is in puberty stage? Give six points.

SECTION C (15 Marks)

(Answer Question ten (10))

10. A health officer of Mkunduru village has been punishing every family without rubbish heap and good pit latrine in their homes. Explain six points to support the idea of the village officer.

PRESIDENT’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT-RALG

RUFIJI DISTRICT COUNCIL

DISTRICT FORM TWO COMPETENCE EXAMINATIONS – 2024

033 BIOLOGY

TIME: 2:30 HRS Friday 22^th March, 2024 AM

INSTRUCTIONS

1.  This paper consist of sections A ,B and C with total of ten (10) questions
2. . Answer all questions in the space provided
3.  Section A carries fifteen (15) marks, section B seventy (70) marks and section c carries fifteen (10)Marks
4. All writing must being blue or black ink except drawing which must be in pencil
5. . Cellular phones and any unauthorized materials are not allowed in assessment room
6. Write your Index number on every page

SECTION A (15 MARKS)

01. For each of the items (i) - (x), choose the correct answer from the given alternatives and write it's letter in the box provided.

i. A mother went to a hospital with her baby complaining of the baby's high body temperature. Which instrument will be used to examine the baby.

1. Beam balance
2.  hermometer. 
3. Stop watch 
4. Stethoscope.

ii. Why is chlorophyll necessary for photosynthesis?

1. Absorb sunlight energy
2.  plit water molecules.
3. Manufactures carbohydrates 
4. Transport water and minerals.

iii. Which panch of biology deals with the study of plant.

1. Taxonomy
2.  Botany 
3.  Transpiration. 
4. Zoology.

iv. Which one of the following is applied to the members of Kingdom plantae

1. They have cell wall made up of chitin
2. They feed on dead and decaying organic matter
3. they have cell wall made up of cellulose
4. They do not have mempane bound nucleus.

v. Which food will you recommend to a child suffering from kwashiorkor.

1. Milk, groundnuts, Beans and a Meat
2. Milk, cassava, sorghum and wheat
3. Cabbage, Spinach, cassava and Egg
4. Sorghum, cassava, rice and Yams

vi. Reason for Ascomycota to be called ascomycetes or sac fungi is.

1. The spores can be transferred by wind
2. The spores can be produced sexually.
3. Their spores are enclosed in sac - like structure called asci
4. They are single - celled organism

vii. Mr. Chain was teaching a form two students about division of Kingdom plantae which one among the following is not a divisions.

1. Basidiomycota 
2. Coniferophyta.
3. Pteridophytes 
4. Angiospermophyta

viii. Why is advised to build an incinerator in every hospital and health center?

1. For burning hazardous wastes 
2.  For collection wastes
3.  For disposing gaseous wastes.
4.  For disposing liquid wastes

ix. Which is not advisable when giving First Aids to a Snake bite victim?

1. Calm them down 
2. Cut the wound.
3. Remove jewelery from the bitten part 
4. Lower the bitten

x. If you do not have gloves, you can also use.............. to protect your hands?

1. Socks
2. Plastic.
3.   Tins 
4. .A piece of cloth

2. Match each item from LIST A with a corresponding item in LIST B and write it's letter in a space provided.

SECTION B (70 MARKS)

3. . A form two students were asked to observe sections of plant cell s using light microscope. 

(a) Show the parts responsible for

1. Protection and give the cell definite shape
2. Site for chemical reaction
3.  Home of heredity material
4.  Allow sensitive movement of substance across the cell
5. Site for food manufacturing

(b) Draw a well labelled diagram of the cell you have observed in (a) above (Label seven parts)

4. . (a), Imagine you have invited to Mississippi village to educate on diseases. Identify the communicable disease and non communicable diseases from the following list. Marasmus, Scurvy, Cholera, Tuberculosis, Pellagra, Leukaemia and Malaria

1. Communicable diseases;
2. Non communicable diseases

(b) How is each of the communicable diseases sorted in (a) ( i ) transmitted?

5. (a) According to the laboratory rules, what would you do in the following situations?

1. There is unused acid left in the test tube after you finish your experiment .
2. You need to perform an experiment but there is nobody in the laboratory
3. Your classmate is suffocating during a learning activity
4. One of your classmates has pought some peanut in the laboratory
5. You need to switch off electricity

(b). In order to maintain good health,we have to keep our body and environment clean. piefly state the significance of this practice (five point)

6. (a) pead molds and mushrooms are members of the same group.

1.  What is the name of grouping organisms according to their similarities and differences
2. In which groups are these organisms in 6(a) belongs?
3. what are the phylum of the group you mentioned in 6(a) ii above

(b) what are the importance of group to which these organisms in 6 (a) belongs?

7. (a) What are the differences between the following terms? Give one example in each.

1.  Chemotrophic and phototrophic nutrition
2.  Saprophytic nutrition and holozoic nutrition
3. Herbivorous ànd carnivorous 
4. Autotrophic nutrition and Heterotrophic nutrition

(b). Why are human being, cats and dogs are regarded as Omnivorous animals

8. A 3 (three) years old child has been pought to a hospital following these complaints. He is very weak, cries and eats a lot, and has persistent diarrhoea. with wrinkled skin like an old man.

1. Which nutritional disorder is a child suffering from? 
2. What advise will you give to the child's parents?

(b). Dina is 70kg and 150cm tall

1. . What is the BMI? 
2. What dangers are facing Dina? 
3.  What advise will you give Dina and why

9. Maria is a form one student with 14 years old. She is scaring on different changes that occurs in her body, but a teacher told her that are normal changes occurring during puberty.

(a). Define the term puberty

(b). Mention four (4) changes that might occur to Maria

SECTION C (15 MARKS)

Answer question number ten (10)

10. Wastes are dangerous to everyone one in a community if poorly disposed. With six points explain how wastes can affect people as well as environment at all.

PRESIDENT’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT  MVOMERO DISTRICT COUNCIL FORM TWO MOCK EXAMINATION

INSTRUCTIONS

1. This paper consists of section A, B and C with a total of (10) questions
2. Answer all questions in section A, B, and C.
3. Section A carries thirty (15) marks, Section B seventy (70) marks and section C carries twenty (15 marks)
4. All writing must be in blue or black ink except drawing which must be in pencil
5. Cellular phones and any unauthorized materials are not allowed in the examination room.
6. Write your assessment number (index number) at the top right corner of every page

SECTION A ( 30 marks)

Answer all questions under this section

1. For each of the following items (i - ix) choose the correct form among the alternatives and write its letter in the box provided.

1. What is the cause of scurvy as a nutritional deficiency?

1. vitamin C in the diet
2. mineral salt in the diet
3. vitamin B12 in the diet
4. vitamin D in the diet

2. If you are asked to prepare first Aid kit with its components which of the following will not include?

1. iodine tincture
2. medicine to cure diseases
3. a pair of scissors
4. sterilized cotton wool

3. Which of the following is a risky behavior?

1. accepting favours and gifts from parents
2. having many sexual partners
3. keeping good company and avoiding immoral friends
4. shaking hands with HIV/ AIDS infected individuals

iv. Why members of a division in which funaria specie belongs is referred as primitive plants?

A They lack true vascular bundles such as xylem and phloem

B They have cell wall made up of cellulose

C They have true vascular bundles such as xylem and phloem

D They have cell wall made up chitin

v. Which of the following organelles controls the movement of substances in and out of the cell?

1. plasma membrane
2. vacuole
3. cell wall
4. cell nucleus

vi Which is the first site of proteins digestion in the human digestive system?

A Mouth B duodenum

C stomach D Small intestine

6. Farmers in a certain village found their maize crops have yellow leaves with dead spots at the margin and tips, which mineral do the maize crop lack?

1. calcium
2. Molybdenum
3. phosphorus
4. potassium

Viii The sarangi football team goal keeper fell down during the match due to muscle cramps, which component in the first aid kit will you use to give him first aid?

A .Vaseline B. Spirit C . Liniment D. scissors ( )

ix. Which organism feed on primary consumer?

A .Lion, Hyena and Leopard B. leopard, buffalo and giraffe

C. hyena, zebra and wildebeest D. Zebra, wildebeest and buffalo ( )

x. What are the by-products in photosynthetic process?

A. Carbohydrate and water B. Carbohydrate and oxygen

C. Oxygen and water D. Carbohydrate and carbon dioxide

E . Oxygen and energy

2. Match the symptoms in List A with digestive disorders in List B by writing the letter of the correct response below the corresponding item number in a table provided

 Answers

SECTION B (70 Marks)

Answer all questions.

3.During an experiments that involved two samples A and B, the scientist observed cells whose organelles are enclosed in membranes in sample A and cells whose nuclear material are not bound with a membrane in sample B.

(a) Identify types of cells observed in sample A and B respectively. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(b) With three (3) points differentiate the types of cell observed in sample A and B. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

(c) Draw a well labelled diagram of cell observed in sample A and B respectively.

4.A bread was put in a wet cupboard. After few days a black thread like structures which ended up in a club like shape appeared on the bread.

(a) Write the common name of the organism that grew on the bread surface.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(b) Name the phylum or division in which observed organism belongs.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(c)Outline three (3) advantages of the member of the phylum you mentioned in (b) above.

(i) . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(ii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(d)Suggest the kingdom in which the observed organism belong. Give three(3) reasons to support your suggestions.

Kingdom . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Reasons (i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .

(i) . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

5.(a) Name four(4) major parts of the human digestive system involved in digestion of food substances and indicate a type of substances digested in each part.

(b) Give three (3) adaptations of ileum for the absorption of food in the alimental canal.

(i) . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(ii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(c) With three(3) points explain how does a biology laboratory differ from other school facilities.

(i) . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(ii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 (a) Differentiate between a pandemic and endemic disease. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

(b) How does communicable and non-communicable disease differ. Give example in each.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(c)A child complains to her mother that she has a headache and pains in joints, she also feels uneasy, vomits, and has abdominal pains. Her mother realized that a child also has a fever she takes her to hospital.

(i) Which disease do you think the child is suffering from.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(ii)What is the cause and mode of transmission of the disease.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(iii) How can the disease be prevented. Give three (3) points.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7(a) Suppose you are invited by the headmaster of Kilimanjaro secondary school to attend the laboratory building meeting. Which conditions will you advice to the owner of the school to consider to build a laboratory with the required standards. Give five (5) points.

(i) . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

(ii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....................................................................................................................................

(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (iv) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(b)What do you understand by the term binomial nomenclature?

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....

(c)Explain four (4) rules observed in binomial nomenclature.

(i) . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(ii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (iv) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.(a) A person got a bicycle accident and was badly injured. If you are the first person to reach in an accident area.

(i) Name the assistance that you are recommended to give to him at the time after the accident. . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(b) Why do you advice other people to give the same help in case they face a similar situation? Give four (4) points to support your answer.

(i) . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(ii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (iv) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(c) Give five (5) precaution that should be taken in giving the assistance named in a(i) to a victim of snake bite.

(i) . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(ii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (iv) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9. Analyze four (4) methods of getting rid of unwanted materials in an environment.

(i) . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(ii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (iv) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

 SECTION C: (15Marks)

Answer all questions in this section

10. Discuss seven (7) factors that affect the ability of the body to fight against infections.

. . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

 TANZANIA HEADS OF ISLAMIC SCHOOLS COUNCIL

 FORM TWO INTER ISLAMIC MOCK EXAMINATION

 033  BIOLOGY

TIME: 2:30 Hours  Wednesday 26^th July, 2023 a.m.

Instructions

1. This paper consists of sections A, B and C with a total of ten (10) questions.
2. Answer all questions in each section.
3. All writings must be in blue or black ink except drawings which must be in pencil.
4. Cellular phones and any unauthorized materials are not allowed in the examination room.
5. Write your Candidate Number on the top right on every page.

SECTION A (15 Marks)

Answer all questions in this section

1. For each of the items (i) – (x), choose the correct answer from among the given alternatives and write its letter in the box provided.

(i) Maimuna is a form one student with a dream to be an expert of fungi. What biological term can describe her in the future?

1. Microbiologist
2. Physiologist
3. Mycologist
4. Entomologist

(ii) Most people in the society are not aware with blood groups.If you want to educate them about people with blood group O antigen the correct statement should be:

1. Antigen B
2. Antigen A and B
3. Antigen A
4. No antigen

(iii) The suitable rank of vibrio cholera proposed by taxonomist is:

1. Kingdom monera
2. Kingdom Algae
3. Kingdom plantae
4. Kingdom fungi

(iv) A plasma membrane is said to be selective permeable because:

1. Allows only water to pass freely and restricts others
2. Allows all molecules of average diameter to pass through it
3. Allows very small molecules to pass through freely
4. Controls the substances which are allowed to enter and leave the cell

(v) After a strenuous exercise, a person experiences muscular pain and tiredness (fatigue). This is mainly due to:

1. Complete oxidation of pyruvic acid to carbon dioxide and water
2. Accumulation of lactic acid in muscles
3. Accumulation of poison in the muscles
4. Reduction of water molecules in the muscles

(vi) A person picks up a telephone after hearing it ringing. What does this action show?

1. Respiration and growth
2. Response and irritability
3. Irritability and movement 
4. Sensitivity and irritability

(vii) During a biological experiment Jaafar dissolved 2g of potassium permanganate crystals and dissolved it in 1 litre of water. What process was demonstrated by Jaafar?

1. Mass flow
2. Diffusion
3. Osmosis
4. Transpiration

(viii) Our Headmaster advises us to be honesty, respecting each other, polite and helping others. The aim of his advice was to maintain :

1. Personal hygiene
2. Behaviours
3. Attractive school environment
4. Good manners

(ix) The alcoholic fermentation in breweries industries is not human physiological influences because this is the result of: 

1. Photosynthesis process
2. Aerobic respiration by animals
3. An aerobic respiration by fungi
4. Aerobic respiration by bacteria

(x) Mr. Matwebe’s son went to the hospital to ask for treatment due to outward bending of his leg’s bones. This may be resulted by deficiencies of:

1. Vitamin A
2. Vitamin B
3. Vitamin C
4. Vitamin D

2. Match the description of scientific procedures in LIST A with the corresponding scientific procedures in LIST B by writing the letter of the correct response below the item number in a table provided.

ANSWERS:

SECTION B (70 Marks)

Answer all questions in this section

3. (a) How is holozoic nutrition different from saprophytic nutrition?

_____________________________________________________________________ _____________________________________________________________________

_____________________________________________________________________

(b) Human being and Goat are both referred to as animals that perform holozoic nutrition, but they are not identical in their digestive system. Justify this statement by using three biological facts.

(i) _______________________________________________________________

(ii) _________________________________________________________________

(iii) _________________________________________________________________

4. A child complains to her mother that, she feels pain in her joints, abdomen, and headache also she was vomiting and feeling fever.

(a) Which disease do you think the child is suffering from?

_____________________________________________________________________ _____________________________________________________________________

_____________________________________________________________________

(b) Suggest the causes and mode of transmission of the disease

(i) Causes

_______________________________________________________________ _______________________________________________________________

(ii) Transmission

_______________________________________________________________ _______________________________________________________________ _______________________________________________________________

(c) How can the disease be prevented?

(i) _________________________________________________________

_________________________________________________________

(ii) _________________________________________________________

_________________________________________________________

(iii) _________________________________________________________

_________________________________________________________

(iv) _________________________________________________________

_________________________________________________________

5. Serengeti national park is highly populated with various wild animals and plants species, some of them are Gazelle, Zebra, shrubs, cheetah, Rhizopus, grasses and lion. Use the list given to answer the following questions:

(a) Construct a food web which includes all listed members.

(b) Group the listed organisms with respect to their trophic levels.

(i) _______________________________________________________________

_______________________________________________________________

(ii) _______________________________________________________________

_______________________________________________________________

(iii) _______________________________________________________________

_______________________________________________________________

(iv) _______________________________________________________________

_______________________________________________________________

6. (a) The diagram below represent the potential organ in plant life; carefully observe it and answer the following questions:

Figure 1.1

(i) What does the diagram above represent? ______________________________

(ii) Name the parts labelled P, Q, R and S

P ____________________________________________________________

Q ____________________________________________________________

R _____________________________________________________________

S _____________________________________________________________

(iii) Highlight one role played by each of the following parts:

P ____________________________________________________________

Q ____________________________________________________________

S ____________________________________________________________

(iv) Suggest two importance of physiological process carried out by the organ expressed by figure 1:1

_______________________________________________________________ _______________________________________________________________

_______________________________________________________________

7. Mr. Mzee is a laboratory technician at Mtoni Secondary School. He decided to use form two A stream (classroom) as biology laboratory.

(a) What modification should be done to meet the standard?

(i) _______________________________________________________________

(ii) _______________________________________________________________

(iii) _______________________________________________________________

(iv) _______________________________________________________________

(b) Write any four rules to be obeyed by students before using their new laboratory.

(i) _______________________________________________________________

(ii) _______________________________________________________________

(iii) _______________________________________________________________

(iv) _______________________________________________________________

8. (a) Lungs is a respiratory surface for various terrestrial organisms. What are the criteria that enable lungs to perform their roles?

(i) _______________________________________________________________

(ii) _______________________________________________________________

(iii) _______________________________________________________________

(iv) _______________________________________________________________

(b) Distinguish aerobic from anaerobic respiration (any two points).

9. (a) Most of youth in Tanzania subject themselves at a great risk of being infected with STIs and HIV infection. Show them any four ways they can use to stay safe.

(i) _______________________________________________________________

(ii) _______________________________________________________________

(iii) _______________________________________________________________

(iv) _______________________________________________________________

(c) Why we should seek health care for STDs and opportunistic diseases? (Any two reasons)

(i) _______________________________________________________________

(ii) _______________________________________________________________

10 (a) Bacteria are categorized into two main groups due to their status of affecting our body health. Explain them with two examples each

(i) _______________________________________________________________

_______________________________________________________________

(ii) _______________________________________________________________

_______________________________________________________________

(b) By using four biological evidences prove the statement that: “Bryophytes are the most primitive plants on the earth.”

(i) _______________________________________________________________

_______________________________________________________________

(ii) _______________________________________________________________

_______________________________________________________________

(iii) _______________________________________________________________

_______________________________________________________________

(iv) _______________________________________________________________

_______________________________________________________________

SECTION C (15 Marks)

Answer the following question

10. “Transpiration is regulated by both plant features and the surrounding”. Use six biological facts to defend this statement.

________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________

Candidate’s Number………………………

THE UNITED REPUBLIC OF TANZANIA PRESIDENT’S OFFICE, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

LUDEWA DISTRICT COUNCIL FORM TWO MOCK EXAMINATION 2022

033 BIOLOGY

Time2:30hrs 9th June 2022

INSTRUCTIONS.

1. Answer all questions from this paper

2. This paper consists of three sections A, B and C.

3. .Except for diagrams that should be drawn in pencil, all writings should be in blue or black ink

4. Cellular phones are NOT allowed during attempting this exam.

5. Write your Examination Number/Names on every page of your answer booklet.

SECTION A.15 MARKS.

1. Choose the most correct answer among the given alternatives and write its letter in the table provided below

i. One of the best lesson a teacher taught us was about muscles that are found in different parts of the body. Cardiac muscle can be found in which part of the animal body?

1. Skull
2. Limbs
3. Heart
4. Head

ii. Mwana Poya is studying in form one class. Help the one to choose the main product of anaerobic respiration process in plant.

1. Uric acid
2. Alcohol
3. Lactic acid
4. Water

iii. A doctor received medical results from laboratory technician and identified that a victim is affected by ectoparasites. Which of the following parasitic organisms is typical ectoparasite?

1. Tick
2. Plasmodium
3. Tapeworm
4. Roundworm

iv. Mr. Kichoka did not understand how to choose components of blood. Help him to choose. Which of the following is NOT a component of blood?

1. Erythrocyte
2. Leucocytes
3. Leukemia
4. Plasma

v. Mr.Mwamri explained wrongly on the aim of experiment during scientific investigation, The aim of experiment in the scientific investigation is to

1. Identify the problem
2. Test the hypothesis
3. Predict the result
4. Confirm the problem

vi. There are so many branches of Biology that taught by the teacher. Branch of Biology that deals with body defense against diseases

1. Mycology
2. Parasitology
3. Immunology
4. Entomology

vii. One of the apparatus used in the field MR Solomoni told us is cages. Cages is used for keeping.

1. live Specimens
2. Preserving Specimens
3. Dead Specimens
4. Live aquatic specimens

viii. Mr. Ibra don’t know the effect of burning plastic bags. Which of the following can be caused by burning plastic waste materials?

1. Bruised skin
2. Heart problems
3. Joint pains
4. Breathing Problems

ix. Mrs.Mudaba confuse between first and second stage of AIDS. The second stage of HIV/AIDS is

1. Has flu-like symptoms
2. Has no symptoms
3. Is full-blown AIDS
4. Leads to syphilis

x. .Help Mr.Kinjuga to show which of the following statements is best describes the role of root hair?

1. Provides anchorage of the root.
2. Protects the delicate surface cells of the enlarging root.
3. Adds the length of the root by repeated division.
4. Provides large surface area for absorption.

ANSWERS

2. Match the phrases in List A with the responses in List B by writing the letter of the correct response from List B beside the item number of List A in the answer booklet provide.

ANSWERS

SECTION B 70 MARKS.

Answer all questions from this section in which all questions carries equal marks of 10.

3. (a)Waste is any substance that is no longer in use, the teacher said. Mwajuma asked to a teacher to explain the meaning of waste disposal. If a teacher chose you what answer did you respond to Mwajuma?

(b)Poor waste disposal has led to many effects. Continue telling Mwajuma the effects of poor waste disposal (use 4 effects)

4. Virus is very dangerous microorganism to both plants and animals. Contrary to its detrimental effects there are so many advantageous of viruses. Explain five advantages

5. Good examples of systems that uses Mass flow as the means of transporting materials from one part of the body to another is Human circulatory system and Lymphatic system. What are six (6) disorders of circulatory and four (4) disorders of lymphatic systems?

6. a) Mr.Mwenemutapa failed to explain the meaning of the terms mentioned below since he studied such thing long time ago. Teach him.

i. Health

ii. Immunity

(b)As a student of form two class explain what are the factors that affect body immune system?.

7. (a) Sophia does not know the meaning of some biological phenomena. As the biologist help Sophia to explain the meaning of these biological phenomena which are unknown.

i. Cell differentiation

ii. An organ

iii. A system

(b)What are three examples of specialized cells of animals?

8. (a)Biology teacher taught all about ecology but the term Balance of nature he was not worked on it. What do you understand by the term balance of nature?

(b)Draw a food chain and food web from the following organisms Toad, Vulture, Rabbit, Grass, Snake, and grasshopper

(c) Explain what would happen from food web drawn above if

i. All the grass died?

ii. All the snakes were killed?

9. (a)For the organism to survive there must be transportation of materials. Explain the meaning of transportation of materials

(b) Juma tasked his students to draw a large and well labeled diagram of external structure of the mammalian heart. If you are a student of Juma, Perform that task

PRESIDENT'S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT 

TANZANIA HEADS OF ISLAMIC SCHOOLS COUNCIL

FORM TWO INTER ISLAMIC MOCK EXAMINATION  

 033 BIOLOGY

TIME: 2:30 HOURS Friday, 24^th September 2021 a.m.

Instructions

1. This paper consists of sections A, B and C.

2. Answer all questions in sections A and B and only ONE (1) question from section C.

3. All writings must be in blue or black ink except drawings which must be in pencil.

4. All communication devices and Calculators are not allowed in the Examination Room.

5. Write Your Examination Number on the top right of every page.

SECTION A: (30 Marks)

Answer all questions in this section

1. For each of the items (i)-(x), choose the most correct answer from among the given alternatives and write its letter in the box provided:

(i)Which of the following is not a sexually transmit disease?

1. Trochomoniasis
2. Candidiasis 
3. Vaginosis
4. holera.

(ii) The function of sunlight energy in the human skin is to stimulate the synthesis of:

1. Vitamin A
2. Vitamin C
3. Vitamin D 
4. Vitamin K.

(iii)The basic importance of all laboratory rules is to:

1. Avoid dirtiness
2. Prevent student from entering
3. Reduce accidents
4. Reduce the use of chemical in the lab.

(iv) Plants are said to be vascular if: 

1. They contain phloem only
2. They contain xylem only
3. They contain cambium
4. They contain phloem and xylem.

(v) A group of interdependent organisms living in an environment is called:

1. Community
2. Ecology
3. Ecosystem 
4. Population.

(vi) Which of the following characteristics could be used to distinguish birds from mammals?

1. Control of body temperature
2. Use of lungs
3. Number of limbs
4. What covers their skins.

(vii) A liquid prepared by either weak or dead microorganisms is called:

1. Serum
2. Immunity
3. Immunization
4. Vaccine.

(viii) The feeding relationship represented by the sequence

Green plants → Grasshopper → Frog is called:

1. Food web
2. Food chain
3. Predation 
4. Community.

(ix) The blood vessel which carries deoxygenated blood from the heart to the lungs is:

1. Pulmonary vein
2. Pulmonary artery
3. Aorta 
4. Venacava.

(x) What does the concept of good health imply? 

1. A state of physical, sexual and mental fitness
2. Being physically, mentally and socially fit
3. A state of family well being
4. Reproductive health and family care.

2. The following statements are either correct or incorrect. Write TRUE if the statement is correct and FALSE if the statement is incorrect.

(i) A person with blood group AB is called a universal donor. ______________

(ii) Before the blood returns to the heart, it has to be oxygenated in the liver. ____

(iii) All green plants are decomposers. ________________

(iv) Maintaining personal hygiene reduces the risks of infection. ______________

(v) Malaria is caused by plasmodium. _____________________________

(vi) Proteins in the diet are needed for growth and repair.. __________________

(vii) Vitamin K helps in blood-clotting. ______________________

(viii) The organ in the human body which helps the blood to receive oxygen is the heart. ____________________________

(ix) Grouping of organisms basing on their differences and similarities is called taxonomy. ___________________

(x) Age is one of the important factor to consider before blood transfusion.

_______________

3. Match the items from List A with the responses from List B by writing the letter of the correct response besides the item number.

Answers:

4. Complete each of the following statements by writing the correct answer in the space provided:

(i) __________________ is used for cutting hanging skin and dressing materials.

(ii) _______________ are important for cleaning cuts wounds and preventing infections.

(iii) _______________ is helpful for removing thorns and insects stings left behind in the body.

(iv) _______________ is a painful and swollen part of the skin with no cut.

(v) A sudden involuntary contraction of muscles that is painful and makes them temporarily unable to work properly is called _____________________________

SECTION B: (50 Marks)

Answer all questions in this section

5. (a) What do you understand by the following terms:

(i) Binomial nomenclature

(ii) Taxonomy

(iii) Species

(b) State the taxonomic hierarchy of classification in an orderly manner:

(c) Lion and Leopard cannot interbreed to produce a viable offspring. (Give one reason)

6. Study the structure of the villus below and answer the questions that follow:

(a) In which part of the alimentary canal is the above structure found?

(b) Name parts labelled X, Y and Z

(c) State three adaptations of the above structure for the absorption of food in the alimentary canal.

7. Study the diagram of the following organisms carefully and answer the questions that follow:

(a) Identify the organisms above by their common Names:

R is: _________________________________________________________

S is: _________________________________________________________ 

(b) Classify the above organisms up to class level.

(c)State the locomotory structures of the organisms above.

R _____________________________________________________________

S _____________________________________________________________

8. (a) What do you understand by the following terms

(i) Diffusion?

(ii) Osmosis

(b) Differentiate between diffusion and osmosis

9. (a) Define natural environment

(b) Give at least four (4) importance of natural environment.

SECTION C: (20 Marks) 

Answer one (1) question from this section

10. (a) What do you understand by the term risky behaviour?

(b) Give examples of risky behaviours and practices. (4 points)

(c) Explain any four (4) skills which can help to avoid risky behaviours and practices.

11. Write an essay on photosynthesis under the following guidelines:

• Meaning
• Site of the process
• Raw materials
• Conditions
• End products
• Importance of the process