THE PRESIDENT’S OFFICE

REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

BIOLOGY FORM TWO MID TERM TWO EXAMINATIONS

AUG/SEPT -2024

TIME: 2:30 HOURS          

INSTRUCTIONS.

• This paper consists of section A, B and C with the total number of ten(10) questions
• Answer all questions in each section
• Section A carries (15) marks, section B (70) marks and section C carries (15) marks
• All writing must be in blue/black ink except drawing which must be in pencil
• Cellular phones and any unauthorized materials are not allowed in the assessment room.

SECTION A (15 Marks)

Answer all questions in this section

i. Which feature helps to strengthen and support xylem vessels?

1.  Thin, flexible cell walls
2.  Thick cell walls with lignin
3.  Presence of sieve plates
4.  Presence of companion cells

ii. The component of blood responsible for carrying oxygen is:

1.  Plasma
2.  Red blood cells
3.  White blood cells
4.  Platelets

iii. A food sample which was tested by boiling with Benedict's or Fehling's solution gave an orange precipitate. This showed that the food sample contained

1.  reducing sugar 
2.  fats
3.  protein 
4.  sucrose.

iv. The role of light in photosynthesis is to

1.  Form ATP
2.  Form ADP
3.  Cause photolysis
4.  Form ATP and cause photolysis

v. Movement of food down the oesophagus is aided by;

1. Gravity
2. Peristalysis
3. Breathing
4. Swallowing

vi. The type of respiration that occurs in the absence of oxygen is:

1. Aerobic respiration
2. Anaerobic respiration
3. Cellular respiration
4. External respiration

vii. Which of the following does not support the growth of micro-organism?

1.  Sugar
2.  Moisture
3.  Oxygen
4.  Warmth

viii. Which of the following apply in a balanced grassland ecosystem?

1.  There are more consumers than producers.
2.  Decomposers act on producers only.
3.  Producers and consumers are usually in equal numbers.
4.  Producers are more numerous than consumers.

ix. Which of the following is a disease caused by a protozoan?

1.  Amoebic dysentery
2.  Malaria
3.  Sleeping sickness
4.  All of the above

x. The site of protein synthesis within a cell is the:

1. Ribosome
2. Cell membrane
3. Chloroplast
4. Lysosome

2. Match the parts of the respiratory system with their functions:

SECTION B

3. a) Name the different shapes of bacteria

b) List any four advantages of bacteria

c) Outline the harmful effects of  viruses.

4. (a)Differentiate between transpiration and guttation.

   (b)Explain the significance of transpiration in plants.

5.   (a) Draw and label the structure of mushroom

      (b) Give five economic importance of Kingdom fungi

6. Briefly explain the following methods of food preservation. In each give an example of food preserved.

a)  Boiling

b)  Smoking

c)  Salting 

d)  Pickling

e) Drying

7. Describe the process of gaseous exchange in plants through stomata.

8. a)  Briefly explain how the food moves down the alimentary canal

   b)   Explain the adaptations of the stomach in the process of digestion

   c)  Mention the role the following in digestion

i)   Hydrochloric acid

ii)    Pepsin

iii)   Rennin

iv)  Mucus.

9. What is the role of the lymphatic system in maintaining fluid balance?

SECTION C

10. Describe the process of blood clotting.

THE PRESIDENT’S OFFICE

REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

BIOLOGY FORM TWO PRE- MOCK EXAMINATION

CODE 033

TIME: 2:30 HOURS          

INSTRUCTIONS.

• This paper consists of section A, B and C with the total number of ten(10) questions
• Answer all questions in each section
• Section A carries (15) marks, section B (70) marks and section C carries (15) marks
• All writing must be in blue/black ink except drawing which must be in pencil
• 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 among the given alternatives and write its letter beside the item number in the answer sheet provided

 (i) Which of the following is the safest way to dispose of a broken glass test tube in a laboratory? 

1. Throw it away in a regular trash can.
2.   Wrap it in paper and dispose of it in a designated sharps container. 
3.  Rinse it down the drain.
4.  Leave it on the lab bench for the janitor.

(ii) Which of the following is NOT a function of the immune system?

1.  Fighting off infections
2.   Producing white blood cells
3.  Breaking down food molecules 
4.  Recognizing and destroying harmful substances

(ii)The basic unit of life that makes up all living things is called a: 

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

(iv) What is the BEST way to dispose of a used chemical from an experiment? 

1.  Pour it down the drain.
2.   Throw it away in a regular trash can.
3.  Follow the instructions on the label for safe disposal. 
4.  Leave it in the lab for the teacher to dispose of.

(v)If someone has a minor cut, the first step is to: 

1.  Apply a bandage directly to the wound.
2.   Clean the wound with soap and water.
3.  Put ice on the wound.
4.  Leave the wound uncovered to air out.

(vi)The transport system in plants that carries water and dissolved minerals throughout the plant is called the: 

1.  Nervous system
2.   Circulatory system
3.   Respiratory system
4.  Xylem

(vii) Which of the following is NOT a source of carbohydrates for animals?

1.  Meat
2.   Bread
3.   Fruits
4.  Water

(viii) Plants get most of their energy from: 

1.  Sunlight 
2.   Water
3.   Soil
4.  Air

(ix)Which of the following methods of food preservation involves drying the food to remove moisture? 

1.  Canning
2.   Freezing
3.  Dehydration 
4.  Salting

(x)What is the purpose of pasteurizing milk? 

1. To add creaminess
2. To kill harmful bacteria
3. To improve the taste
4. To increase the shelf life slightly

2. Match the food preservation method on the left with the best description on the right.

SECTION B: 70 MARKS

Answer all questions in this section

3.   a) Name one product of the light stage during photosynthesis  

      b) Name the process by which water molecules are split by light during photosynthesis 

     (c)What name is given to the process whereby:

1.      Red blood cells wrinkle after losing their water to a hypertonic solution?
2.    Plant cells become flaccid after losing their water to a hypertonic solution?             

4.   (a)Four equal strips A,B,C and D were cut from a potato whose cells had a sugar concentration of 28.5%.The strips were placed in sugar solutions of different concentrations as follows:

A: 10%,   B: 15%, C: 25%, D:  35%

1.      What changes would you expect in strips A and D?    
2.    Account for the change in strip D      

2.   The figure below shows a small piece of visking tubing which is filled with potassium permanganate solution. Its free ends were tied tightly to prevent leakage .It was then dipped in a beaker full of distilled water. The set up was left for 2 hours. It was observed that the distilled water was colored purple.

9.      What physiological process was being investigated?    

(ii) Account for the observation made in (a) above.  

5.   (a) State the importance of nucleic acids to an organisms   

2.   State the significance of the following to a leaf:-

1.      Thinness         
2.    Presence of air spaces       
3.  Stomata         

3.    What is the role of roof hairs in plants     
4.   What is meant by the term organ systems in organisms?   

6.   (a) State three factors that affect the rate of diffusion    

2.   What is compensation point?      
3.    State two properties of monosaccharide     
4.   What is the main function of monosaccharide in organisms? 

7.   (a) State the formula for calculating magnification  when using the following

1.   Hand lens/naked eyes        
2.                A light microscopic        

2.   Explain why a mule, a product of mating between a horse and a donkey is sterile.                                                                                                               
3.    State two factors considered while grouping the organisms in the same species                                                                                                                                                                       

8.   I. Describe how you would carry out food tests to test the presence of starch and reducing sugars on a food sample.

1.   Test for starch        
2.   Test  for reducing sugar        

2.  Explain how surface area to volume ratio idea may be applied to explain rate of diffusion in organisms.

9.   (a) Name the taxonomic unit with:

1.      The greatest number of organism.     
2.    The least number of organisms     

2.   Define the term cell       

c) Name the kingdom in which the organisms named below belong.

1.          Bacteria         
2.          Paramecium        
3.          Yeast         

SECTION C: 15 MARKS

10. Describe the formation of lymph in human body

PRESIDENT’S OFFICE, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES,

MID TERM ONE – MARCH-2024

BIOLOGY FORM TWO

TIME 2HOURS

INSTRUCTIONS

1. This paper consists of two sections A and B
2. ANSWER all questions in both section
3. Use black or blue pen for your answers
4. Use pencil for your drawing

SECTION A (15 MARKS)

1. Choose the correct answer.

1.  The following are diseases caused by fungi in plant and animals except..............

1.    Wheat rust and maize rust
2.     Candidiasis
3.     Influenza
4.    Powdery mildew

2.      The name of asexual spores in zygomycetes

1.    Zygospores
2.     Sporangiosphores
3.     Sporangia
4.    Hyphae

3.   Why are bryophytes the most primitive plants on earth?

1.    They grow in wet areas
2.     They do not produce seeds
3.     They reproduces sexual and asexual
4.    They lack vascular tissues

4.    Which is the advantage of bryophites?

1.    They cause fungal diseases in human being
2.     They help to retain water in the soil
3.     They are used to brew alcohol
4.    They are good sources of food substances

5.      The following are division of kingdom Plantae except.........

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

6.    The bread mould is an example of ............

1.    Pteridophta
2.     Bryophyta
3.     Zygomycota
4.    Basidiomycota

(vii) Conditions or factors that can change or be changed in an experiment are called?

1. Hypothesis
2. Variables
3. Problems
4. Conclusions.

(viii) When giving first aid to a snake victim you should not;

1. Cut the wound
2. Calm the victim down
3. Remove jewellery from the victim
4. Lower the bitten area.

(ix) Medical waste can be described as;

1. Biohazard
2. Reusable materials
3. Biodegradable
4. Recyclable

(x) One of the following is not a characteristic of a prokaryotic cell

1. They have no nuclear membrane
2. They reproduce by multiple fission
3. They have flagella
4. They have no nucleus

2.  Match each item in Column A against its corresponding item from Column B

SECTION B

Answer all questions in this section (85 marks)

3. What are advantages and disadvantages of members of division Filicinophyta?

4. Draw and label a diagram of the member of the division Filicinophyta

5. (a)State three distinctive features of kingdom Plantae.

(b) Give the advantages of kingdom plantae

6. Briefly explain the following types of heterotropic nutrition

1.             Holozoic nutrition
2.             Saprophytic nutrition
3.             Symbiotic nutrition

7. Explain the meaning if the following

1.             Commensalism
2.             Parasitism
3.             Mutualism

8. Differentiate between:

1.             Chemotropic and phototropic nutrition
2.             Prokaryotics and Eukaryotics
3.             Herbivores and carnivores
4.             Epidemic and endemic diseases

9.(a) Why are human beings, cats and dogs regarded as omnivorous animals?

(b) Explain what will happen if the following are removed from plant or animal cell

1.     Nucleus
2.  Cell wall
3.                         Chloroplast
4.                         Mitochondrion

10. Discuss the advantages and disadvantages of artificial system of classification

PRESIDENT OFFICE REGIONAL ADMNISTRATION

AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES 

COMPETENCE BASED ASSEMENT

BIOLOGY FORM TWO 

TERMINAL EXAMS-MAY– 2023 

033

Time: 2:30 Hours

INSTRUCTIONS

1. This paper consists of sections A, B and C with a total of ten (10) questions.
2. Answer all questions
3. Section A and C carry fifteen (15) marks each and Section B carry seventy (70) 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

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

1. Wave-like movement caused by muscular contraction and relaxation along the digestive tract that helps to propel food is known as;

1. Gulping
2. Peristalsis
3. Digestion
4. Assimilation
5. Absorption

2. When examining a cell from unidentified organ of a mouse under an electron microscope, a student found an organelle with folding in the inner membrane. Which organelle is this?

1. Golgi body
2. Endoplasmic reticulum
3. Ribosomes
4. Mitochondrion
5. Nucleus.

3. The part of a cassava plant modified for food storage is;

1. Underground stem
2. Underground root
3. Corn
4. Prop root
5. Underground stalk

4. Green plants are known as producers because;

1. Produce chlorophyl in chloroplast
2. Produce green leaves
3. Contain fruits and seeds
4. Grow in fertile soils
5. Make food from simple substances

5. The reason why we experience increased breathing during race is that, it supplies extra;

1. Energy required by active muscles
2. Oxygen required by active muscles
3. Heat required by active muscles
4. Enzymes required by active muscles
5. Work required by the muscles for running faster

6. The body can make the following vitamin by itself;

1. Vitamin A
2. Vitamin B
3. Vitamin K
4. Vitamin D
5. Vitamin E

7. By what process does carbon dioxide pass from the blood into alveoli of the lungs?

1. Diffusion
2. Osmosis
3. Respiration
4. Transpiration
5. Oxidation.

8. Plant production and photosynthetic rate in a field are greatly influenced by?

1. Temperature
2. Water supply
3. Carbon dioxide supply
4. Soil fertility
5. Light intensity.

9. An enzyme is a:

1. Fat
2. Mineral salts
3. Protein
4. Vitamin E
5. Carbohydrate.

10. The main products of photosynthesis are transported away from the leaves by the;

1. Phloem
2. Xylem
3. Cortex
4. Veins.
5. Sieve tubes

2. Match the descriptions of the blood circulation system in List A, with their corresponding blood vessels in List B by writing the letter of the correct response beside the item number in the answer booklet provided.

SECTION B. 70 MARKS. ANSWER ALL QUESTIONS FROM THIS SECTION

3. The figure below illustrates a process that takes place in alimentary canal.

1. Name the process
2. Name two muscles that enhance above process.
3. Explain importance of roughage to above process.
4. State how stomach protects itself from being digested by enzyme pepsin.
5. Name an enzyme produced in stomach of infant to enhance digestion of milk protein.
6. State one function of hydrochloric acid produced in stomach during digestion.

4. (a) The diagram below represents an organelle

1. Name structure A and D
2. Explain how the structure labeled B enhances the function of this organelle

(b) Other than skin, name other surfaces uses for gaseous exchange in adult frog.

(c) The diagram below represents blood clotting process.

(i)Name substance X and Y

(ii) Explain why people who are deficient of vitamin K bleed profusely after an injury.

5. (a) Study the diagram below and answer question that follows

1. Name the type of nutrition found in above plant.
2. Name the organism
3. Discuss the environmental importance of this type of feeding

(b) Name the forces involved in water movement up the plant.

6. (a) How could the body remove or destroy a bacterium that lands.

1. On cornea
2. On the hand
3. The bronchus
4. In the stomach.

(b) Explain why it is;

(i) Not healthy to sleep in a closed room with many potted plants.

(ii) Dangerous to sleep in a poorly ventilated room with charcoal burner on.

7.(a) The diagram below represents a bell jar experiment to demonstrate breathing;

1. Name structure represented by T, V, W and X.
2. Explain what happens when structure X is pulled in the direction shown by the arrow.

(b) State the products and by-products of anaerobic respiration in;

1. Plants cells
2. Animals’ cells.

8. (a) Explain how the following are adapted for their function;

1. Cuticle
2. The guard cell
3. Palisade cell

(b) Explain the importance of converting most of glucose formed during the day to starch in plant leaf cell.

(c) Mention the products of photosynthesis.

9. (a) Define the following terms

1. Population
2. Community
3. Biotic factors
4. Abiotic factors
5. Ecosystem.

(b) Outline abiotic factors that influence distribution of organisms in an ecosystem

SECTION C. ANSWER QUESTION 10

10.(a) Explain mechanism of gaseous exchange in bony fish.

(b) describe factors affecting breathing rate.

PRESIDENT OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES 

COMPETENCE BASED ASSESSMENT

033 BIOLOGY FORM TWO 

MID-TERM EXAMS-MARCH – 2023 

Time: 2:30 Hours

INSTRUCTIONS

1. This paper consists of sections A, B and C with a total of ten (10) questions.
2. Answer all questions
3. Section A and C carry fifteen (15) marks each and Section B carry seventy (70) 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

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

1. An object to be observed under microscope in placed on the

1. Stage
2. Mirror
3. Objective lines
4. Eye piece
5. Adjusting knob

2. The basic importance of all laboratory rules is to

1. Avoid dirt in laboratory
2. Make students to admire laboratory
3. Prevent students from entering the laboratory
4. Reduce or stop accidents from laboratory
5. Reduce use of chemicals in Laboratory

3. A victim of electric shock can be sowed from danger of death by giving one of the following first Aid

1. Pouring a lot of water over victim
2. Pulling the victim away by hands
3. Removing the victim from the current by using metallic object
4. Turning off source of electricity
5. Praying for the victim

4. Which behavior is a risk behavior?

1. Alcoholism
2. Being patient
3. Eating eggs daily
4. Shaking hands with HIV infected people
5. Sharing toilet facilities with HIV infected persons

5. Jane eats food that lacks Iodine which disorder is she wisely to suffer?

1. Goiter
2. Night blindness
3. Pellagra
4. Rickets
5. Scurvy

6. Muscle fatigue in the body is caused by

1. Lack of carbon dioxide
2. Lack of Lactic acid
3. Lack of Oxygen
4. Pyruvic acid
5. Lack of Iron

7. Which of these Organism can photosynthesize

1. Fungi
2. Algae
3. Euglena
4. Bacteria
5. Paramecium

8. A substance that goes in and Out of cell are controlled by

1. Cytoplasma
2. Cell membrane
3. Vacuole
4. Tonoplast
5. Nucleus

9. Sudden increase in number of micro-organism an area is called?

1. Blooms
2. Growth
3. Eutrophication
4. Excessive growth
5. Weathering

10. The part of alimentary canal which rolls chewed food into bolus is called.

1. Tongue
2. Oesophagus
3. Pharynx
4. Epiglottis
5. Teeth

2. For each of items (i) – (x), write True if a statement is correct or false if a statement is not correct in space provided

1. Petrol and other chemicals can be stored in soda bottles and cupboards
2. Natural classification in based on evolutionary relationships
3. Xylem vessels transport water from roots to leaves
4. Kingdom is the largest rank in classification
5. Liverwort is a representative member of kingdom Fungi
6. Colon is a special site for absorption of food
7. Poor waste disposal may cause accidents at home and school
8. All bacteria are harmful to man
9. Digestion of protein starts in the mouth
10. Hydrochloric acid is secreted in duodenum to kill bacteria.

3. Match the Phrase in List A with responses in List B by writing the letter of responses below corresponding item number in a table;

3. Complete each of the following statements by writing the correct answer in spaces provided

1. A vitamin that helps you read properly by improving your vision
2. Vitamin that strengthens your teeth, gums and bones
3. Vitamin that helps your body stop bleeding
4. A vitamin that helps in blood clotting
5. A vitamin that protects your body from infections and diseases

SECTION B.

5. Explain briefly how would carry out the following tests

1. Millions test
2. Reducing sugar
3. Starch

(b) Outline adaptations of ileum in digestion and absorption of food.

6. (a)Give the meaning of photosynthesis

(b)Outline the roles of each raw material in photosynthesis

(c)What is the importance of photosynthesis?

7. (a)How does infection differ from diseases

(b)Name a disease that can be transmitted by

1. Sexual intercourse
2. Contaminated food and water

(c)Give four reasons why it is important to provide care and support to people living with HIV/AIDS

8. (a)Differentiate cell division and cell specialization

(b)Identify four differences between a plant cell and animal cell

(c)State adaptations of the following cells

1. Root hair cell
2. Sperm cells

9. (a)What is waste and waste disposal?

(b)Outline principles of waste disposal

(c)Outline diseases that can arise from poor waste draposal

10. When gardening Latifah saw the organism shown below

1. Help Latifah identify parts A, B, C, D and E
2. Name kingdom and Phylum (Division) of organism
3. Outline four economic importance of the organism

 THE PRESIDENT’S OFFICE MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

COMPETENCY BASED SECONDARY EXAMINATION SERIES

BIOLOGY FORM TWO

TIME 2:30 Hours                                                                                               Nov 2022              

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. 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 drawings which must be in pencil. 

5. Cellular phones and any unauthorized materials are not allowed in the examination room. 

6. Write your Examination Number on the top right on every page. 

SECTION A: (15 MARKS)

Answer all questions in this section

1.  For each of the following items (i) — (x) choose the correct answer among the given alternatives and write its letter in the box/ space provided

(i)A form four student who was in laboratory using light microscope, complained that his microscope was not functioning properly since the specimen under observation was not seen clearly. Which part among the following was not functioning properly?

A.    Arm

B.    Body tube

C.    Mirror

D.    Objective lens

E.     Revolving nose piece

(ii) A relationship between living organisms where one organism benefits and the other does not benefit and is not harmed is known as:-

A. Parasitism B. Commensalism

C.    Mutualism

D.    Neutralism

(iii) When giving first aid to a person stung by a bee, the sting should be removed by scraping gently using:-

A.    Blunt objects

B.     Fingers

C.     Sharp objects 

D. Syringes

(iv)  Mr Maleko has been suffering from Goitre, which nutrient is missing in his diet?

A.    Carbohydrate

B.     Vitamin E

C.     Vitamin C 

D.      Iodine

(v) As a form two student, how can you assist a form one student on picking one of the most efficient way of preventing STI's among the following:-

A.    Protected sex

B.     Take a balance diet

C.     Abstain from sex

D.    Avoid sharing of razor blades

(vi)  The kingdom in which its members (organisms) store food as glycogen and reproduce using spores is

A. Kingdom Plantae 

B. Kingdom Fungi

C.    Kingdom Monera

D.    Kingdom Protoctists

(vii) Which part of the plant cell contain non — living component:-

A.    Cell wall

B.    Cell membrane

C.    Nucleus

D.    Chloroplast

(viii) The process by which respiratory gases diffuse in and out of the respiratory   surfaces is called:-

A.    Inhalation

B.     Exhalation

C.     Respiration

D.    Gaseous exchange

(ix) Amoeba is a causative agent of a gastric disease called amoebic dysentery, this causative agent is an organism that belongs to which kingdom among the following:

A. Animalia

B. Plantae 

C. Protoctista 

D. Monera

(x) Which of the following is responsible for protecting the body against pathogens?

A.    Leucocytes

B.     Thrombocytes

C.     Erythrocytes

D.    Lymph

2.  Match the phrases in list A with the responses in list B by writing the letter of the correct response in list B below the corresponding phrase number of list A in the table provided.

SECTION B: (70 MARKS)

Answer all questions from this section

3.  (a) Give the meaning of the following terms

(i)   Biology

(ii)Classification...

(b)What is studied about, in the following branches of biology?

(i)          Microbiology

(ii)        Ecology

(iii)     Entomology

(iv)     Mycology

(c)  Name the two parts that make up the scientific names of living organisms

4.  (a) Differentiate between photosynthesis and respiration

 (b)Name two factors which affect the rate of respiration

(c)  Mention two raw materials needed for photosynthesis to take place

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

(i) Suggest the common name of the organism that grow on the bread surface

(ii)        Name the kingdom in which the observed organism belongs

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

 (iv) Suggest one advantage of the members of the kingdom you mentioned in (ii) above

5.  (a) Where can you see the following safety signs in real life situations

(i)     Slipery floor

(ii)   Flammable

(iii)  High voltage .

(iv)Strong radiation . 

(v) Biohazard .

(b)The steps in the scientific methods in each of the following situations are not in the correct order. Re - arrange them correctly basing on the knowledge of scientific method

(i)          The laboratory technician diagnose malaria parasite in John's blood

(ii)        The doctor orders John's body temperature, blood and urine samples for observation in the laboratory

(iii)     The doctor asks John several questions about how he feels

(iv)     The doctor confirms that John has malaria and prescribes medicine for him

(v)        John is not feeling well, he goes to see a medical doctor at a nearby hospital

6.  Study the following diagram and then answer the questions that follow:

Figure 1

(a)   (i) What is the name of the above diagram?

(ii)     Label the parts marked A, B, C, D

(iii)   Write down two differences between arteries and Veins

(b)   Give one function for each of the following blood cells (i) Red blood cells .

(ii)     White blood cells...

(iii)   Blood platelets

7. (a) Explain the following facts with regard to ecosystem

(i)     Why food web is said to be interconnection of food chain? .

(ii)   Competition is important in an ecosystem........

(iii)   Ecological pyramid is pointed at the top and wide at the bottom....

(b) Construct a simple food web from the following organisms:

(Mucor, leopard, zebra, deer, lion and shrubs)

 8. (a) Identify the process by which food is broken down into a simple form that can be used by living organisms.........

(b)Why are cows and goats called ruminants?

(c)  How can you differentiate the stomach of a cow from that of human being?

(d)Jacob complains of having a painful burning sensational around the oesophagus whenever he eats spicy food. He also has a problem of passing out very hard stool (i) Suggest the possible disorders he is facing (a)..

(ii) What would you advise him in order to alleviate the problem

(a)..

(b).....

9. (a) Khadija is a teenager girl, her parents are complaining on her that, she is dirty and has bad dressing code and bad life style in general. As a form two student identify the kind of behaviour and hygiene that Khadija is displaying/ showing 

(i) Behaviour............ ...  

(ii) Hygiene...

(b)  Name two diseases that may be caused by lack of personal hygiene during puberty

(c)   State four bad habits you have seen in your age — mates at home or school

SECTION C: (15 MARKS)

10. Corona is a wide spread problem in the world. Countries have attempted to eradicate the disease but they have not been very successful. As a form two biology student, educate your community about corona disease using the following guidelines:

(a)   Causative agent

(b)  Made of transmission

(c)   Symptoms (04 points)

(d)  Side effects (02 points)

(e)   Prevention measures (04 points)

 THE PRESIDENT’S OFFICE

REGIONAL ADMINISTRATIVE AND LOCAL GOVERNMENT

FORM TWO EXAMINANTIONS SEPT 2022

NEW NECTA FORMAT

Time: 02:30 Hours                                                                               

INSTRUCTIONS

1. This paper consists of sections A, B and C with a total of ten (10) questions.

2. Answer all questions in sections A and B and  C.
3. Section A carries 15  marks, section B seventy  (70) marks and section C (15) marks.
4. All writing must be in black or blue ink except drawings which must be in pencil.
5. Cellular phones and any unauthorized materials are not allowed in the assessment room.
6. Write your Assessment Number at the top right corner of every page.

SECTION A (15 Marks)

Answer all questions in this section.

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

1. A room designed for experiments and observation of samples is known as

1. Hospital                            
2. Classroom     
3.  Laboratory                     
4.  Pharmacy 

2. Which substance can be tested by using Benedict’s solution

1. Reducing sugar                
2. Starch       
3. Lipids                                  
4.  Protein

3. The highest rank of classification is known as

1. Class                                        
2. Species                             
3. Kingdom                                     
4. Phylum

4. If a child have a swollen abdomen thin arms and leg and weak and brownish  hair is likely to have which nutritional disorder

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

5. The main reason for keeping food on refrigerators is to make it

1. Cold.                                         
2. Last longer  
3. Sweet                                   
4. Soft

6. Absorption of food in alimentary canal take place in the

1. Colon                                      
2. Duedunum
3. Stomach                                    
4.  Ileum  

7.                     Which of the following is NOT a field of study related to biology

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

8.                   COVID 19 is a disease which caused by

1. Virus                                                           
2. Amoeba    
3. Bacteria                                                      
4.  Plasmodium

9. Which of the following enzymes is produced in the Mouth

1. Lipase.                                                        
2.  Salivary amylase  
3. Sucrose.                                                     
4. Trypsin

10. Which of the following is NOT a component of first aid kit?

1. Bandage                            
2. Microscope
3. Soap                                 
4. Panadol

2. Match the phrase in LIST A with responses in LIST B by writing the letter of the 

correct response in LIST B below the corresponding phrase number of LIST A in  table provided.

Answers

SECTION B (70 Marks)
Answer all questions in this section.

3. For each of the items (i)-(x) write TRUE if the statement is correct or FALSE if the  statement is incorrect in the spaces provided.
   i. All green plants are decomposers………………………………………………………
   ii. The use of unsterilized equipments can lead to HIV/AIDS transmission………...
  iii. Fern plant belong to division pteridophyta……………………………………….………
   iv. Salting and drying are modern method of food preservation……………..….………
   v. Syphilis is a communicable disease……………………………………………………….
   vi. Handlens makes object look bigger than normal size……………………………......
  vii. Epiglottis is the structure that allow entrance of food to the trachea……………
  viii. Plant cell lack chloroplast…………………………………..………………………..
   ix. Good manners involves talking while eating………………….…………………………
    x. Calcium help to strengthen teeth and bone…………………………………………….

4. (a) Complete each of the following statements by writing the correct answer in the  spaces provided:
      i. Magnifies the specimen under observation…………………………………..
      ii. Raises or lowers the body tube in order to bring the image into sharp focus……
     iii. Surface on which the specimen to be observed is placed……………………………
     iv. Reflects and directs light to the specimen under observation………………………
    v. Regulate amount of light passing from the mirror to the condenser………………

(b)  How do the following factors affect the rate of photosynthesis?

(i) Chlorophyll

(ii) Sunlight

(iii) Carbon dioxide

5. (a) Write the meaning of the following words:

i.Biology ……………………………………………………………………………………….…………………………………………………………………………………………………………………………………………………………………………………………………….............................................

ii. Zoology …………………………………………………………………………………………………
…………………………………………………………………………………………………
(b) Why do we study Biology? Give two reasons.
i. …………………………………………………………………………………………………

ii. …………………………………………………………………………………………………

6. The figure below represents a diagram of a simple animal cell. Study the diagram then answer the questions  that follows:

a) Name the part labelled with letters A, B and C

A …………………………………………………………………………………………

B …………………………………………………………………………………………

C …………………………………………………………………………………………

b) Give TWO functions of the part labelled C

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

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

c) Give three differences between animal cell and plant cell.

7. (a) Define the following terms:

i.Ecosystem………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
ii. Population

………………………………………………………………………………………………………………
………………………………………………………………………………………………………………
iii. Ecology

………………………………………………………………………………………………………………………………………………………………………………………………………………………………

iv.Habitat ……………………………………………………………………………………………………………………………………………………………………………………………………………………

(b) Explain the role of each of the following organisms in the ecosystem.

i.Decomposers…………………………………………………………………………………………………………………………………………………………………………………………………….
ii. Producers ………………………………………………………………………………………………………………………………………………………………………………………….
(c)(i) Construct a food web using the following organism,  maize, stolk bore, salamanda, mouse,bacteria snake and hawk

 (ii) From the food web above in (c) (i) identify the following:

     a. Producer.................................................  
     b. Decomposer.................................................

8. If you put a piece of bread in a wet cupboard after a few days the breast will be  covered with organism called fungi.

  a) Give the common name of these fungi which grow bread 

……………………………………………………………………………………………
b) Outline the three phyla of the Kingdom fungi
i. …………………………………………………………………………………………………
ii. …………………………………………………………………………………………………
iii. ………………………………………………………………………………………………

c) Outline five advantages of Kingdom fungi
i. ………………………………………………………………………………………………
ii. ……………………………………………………………………………………………….
iii. ……………………………………………………………………………………………….
iv. ………………………………………………………………………………………………..
v. ……………………............……………………… ……………………...................................

9.(a)Define The Following

1. Capillarity……………………............……………………… ……………………...................................
2. Transpiration pull

……………………............……………………… ……………………............................................ ……………………............……………………… ……………………...................................

3. Blood circulation

……………………............……………………… ……………………...................................

                   …………………………………………………………………………………………………………………………………………………

4. Blood  transfusion

……………………............……………………… ……………………...................................

             ………………..……………………………………………………………………………………                  …………………………………

(b) Design a diagram to illustrate the events that occurs during exhalation

                                       SECTION C 15 MARK

Answer only one question from this section

10. Tuberculosis (TB) is one of the dangerous communicable diseases. Suppose you have been assigned to move around the rural Tanzanian areas to educate people about TB, write down the:-

1. Causes,
2. Ways of transmission,
3. Symptoms,
4. Effects and
5. Control measures of TB.

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THE PRESIDENT’S OFFICE MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

COMPETENCY BASED SECONDARY EXAMINATION SERIES

BIOLOGY TERMINAL EXAMINATION

FORM TWO-2022

Student’s Name: ………………………………………………………..

Time: 2:30 Hours  Date: JULY 2022

 INSTRUCTIONS:

• This paper consists of section A, B and C
• Answer all questions in section A, B and C
• All answer must be written in the spaces provided
• All writings must be in blue or black ink EXCEPT for the diagrams which must be in pencil

SECTION A (15 MARKS)

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

(i) Which organisms belongs to kingdom Plantae?

1. Fern and amoeba
2. Moss and mucor
3. Liverwort and yeast
4. Fern and moss

(ii) Unexpected event which can cause injury and sometimes death is called

1. Accident
2. Emergency
3. Outbreak.
4. Disaster.

(iii) People with talking behavior while eating are considered to have

1. Bad manner.
2. Table manner.
3. Talkative manner
4. Chatty manner.

(iv) Medical waste is described as

1. Biohazardous
2. Reusable
3. Biodegradable
4. Recyclable

(v) When giving first aid to a snakebite victim, you should not

1. Cut the wound
2. Calm them down
3. Remove jewelers from the bitten limb
4. Lower the bitten area

(vi) The first step in the scientific method is

1. Experimentation
2. Asking questions
3. Identifying the problem
4. Formulating hypothesis

(vii) The young leaves of ferns are called

1. Rhizoids
2. Thallus
3. Sori
4. Fronds

(viii) The following disease are communicable except.

1. Cholera
2. Kwashiorkor
3. Tuberculosis
4. Malaria

(ix) Which are two main branches of biology?

1. Mamamology and immunology
2. Cytology and ethnology
3. Botany and zoology
4. Zoology and cytology

(x) In human being, the brain is an example

1. Tissue
2. An organ
3. Organelles
4. System

2. For each of items i - v, choose the correct answer among the given alternative in list B, and write its letter in the table below.

 SECTION B (70 MARKS)

Short answer questions

3. Morison accidentally fallen in the class and was found that he was not breathing. The students help him to recover from breathing.

1. What is the name of the process done by students? -------------------------------------------------
2. What were the reasons of giving the process above? Give four reasons
   1. ------------------------------------------------------------------------------------------
   2. -----------------------------------------------------------------------------------------
   3. ------------------------------------------------------------------------------------------
   4. ------------------------------------------------------------------------------------------
3. What were the qualities of the student who gave the process?
   1. ----------------------------------------------------------------------------------------------------------
   2. ----------------------------------------------------------------------------------------------------------
   3. ----------------------------------------------------------------------------------------------------------

4. (a) What do you understand by the following term
   1. Classification
   2. Taxonomy

(b) Write 4 differences between natural and artificial systems of classification.

5. (a) Zalina is a form one student who wants to make artificial animal cell which perform

the functions of plant cell, what kind of modification she has to make?

(b) (i)Arrange the following term in a sequential order from simple to complexity of cell Differentiation. Tissue, organelle, organism, organ, cell and system.

(ii) b) Mention four differences between Tongue cells and Leaf cells.

(c) Draw the diagram of animal cell and on it;

1. Label the part which controls all activity of the cell
2. Label the part which protects the structures inside the cell

6. (a) Define the term” biology laboratory”

(b) List four features of a good biology laboratory

(c) Why most biology laboratory apparatus is made up glass? Give two points

7. (a)What is Nutrition?

(b)With one example outline phyla of kingdom fungi

(c)Outline any four (4) advantages of kingdom fungi

8. (a) Define the following;

1. Immunity
2. Disease
3. Health

2. Write down five factors for lowering body immunity.

9. (a) Differentiate the following;

1. Nutrition and digestion
2. Ingestion and egestion
3. Absorption and assimilation
4. Homodont and heterodont
5. Parasitism and commensalism

10. Briefly explain five effects of poor waste disposal.

SECTION C (15 MARKS)

(Essay questions)

Answer the following question in this section.

11. Biology is not only about botany and zoology. Discuss this statement.

THE PRESIDENT’S OFFICE

MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

COMPETENCY BASED SECONDARY EXAMINATION SERIES

BIOLOGY TERMINAL EXAMINATION

FORM TWO-2022

Time: 2: 30Hours

INSTRUCTIONS.

1. This paper consists of section A, B and C with a total of 11 questions
2. Answer all questions in section A and B and ONE question from section C.
3. Section A carries 30 marks, section B 50 marks and section C 20  Marks
4. All answers should be written in the spaces provided.
5. All communication devices, calculators and any unauthorized material are not allowed in examination room.
6. Write your number on every page of your answer booklet.

 SECTION A (30 Marks)

 Answer All questions in this section.

1. Choose the best alternative from the choices given and write it on the spaces provided.

1.            The following are examples of water – borne diseases:

1.   Malaria and bilharzia.
2.   Yellow fever and typhoid
3.    Diarrhoea and malaria.
4.   Cholera and plague.
5.   Cholera and typhoid

(ii) One of the distinctive features o f kingdom fungi is possession of:

1. Plasma membrane
2. Cytoplasma
3. Chitin materials
4. Cell membrane
5. Cellulose materials.

(iii) A grasshopper ventilates its gaseous exchange surfaces by:

1. Moving the diaphragm
2. Beating of cilia
3. Rhythmic body movement
4. Opening of spiracles
5. Moving its rib cage.

(iv) The taxonomic category of organisms belonging to the same class but not to the same family is?

1. Species
2. Genus
3. Order
4. Phylum
5. Kingdom.

(v) 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
5. Vitamin B.

(vi) Night blindness in human body is avoided by eating? 

1. Oranges
2. Carrot
3. Red meat
4. Green vegetables
5. Chicken

(vii) A blood vessel which conveys deoxygenated blood away from the heart is called?

1. Capillaries
2. Artery
3. Veins
4. Pulmonary vein
5. Pulmonary artery.

(viii) Which of the following structure is a site of respiration?

1. Chloroplast
2. Ribosome
3. Nuclear
4. Nucleic acid
5. Mitochondria.

(ix) The structures found in bacteria are:

1. Plasmid, flagella and cilia
2. Cytoplasm, cilia and plastids
3. Cell wall, plasmid and flagella
4. Cell membrane, flagella and hairs
5. Plasmid, capsule and cilia.

(x) The by – products in photosynthesis process are:

1. Carbohydrate and water
2. Carbon dioxide and oxygen
3. Oxygen and water
4. Carbohydrate and carbon dioxide 
5. Oxygen and air.

2. Matching items questions.

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

(i)The sticky fluid in the nose that helps to trap dust is known as . . . . . . . . . . . . . . 

(ii)The muscles that are found between the ribs are called . . . . . . . . . . . . . . 

(iii)The process of taking in air into the lungs is called . . . . . . . . . . . . . . 

(iv)The breakdown of food in the absence of oxygen to release energy is known

as . . . . . . . . . . . . . . 

(v)A structure that closes the opening of the trachea to prevent food from entering it during swallowing is known as . . . . . . . . . . . . . . 

5. Study the digestive system of normal below and answer questions that follow:

1. Name parts labeled A, B, C, D, E and F.
2. Name two enzymes secreted by part labeled F.
3. State role of one of enzymes secreted at part labeled F.

6. (a) (i) What is a tissue

          (ii) Name three animal and plant tissues.

    (b) State the structural differences between cell wall and a cell membrane.

    (c) Describe the function of blood plasma.

7. (a) Explain the function of the following parts of compound microscope.

1. Stage
2. Eyepiece

      (b) Name four (4) human diseases caused by viruses.

      (c) Mention four ways of helping a person who has been bitten by a snake.

8. (a) What is meant by the following terms.

1.              Digestion
2. Malnutrition
3. Balanced diet
4. Nutritional disorder.

   (c) Explain why;

1.              One can swallow food while upside down?
2.                      Digestion of starch does not continue in the stomach?
3.                    Food in duodenum is alkaline
4.                    One is advised to eat roughage although they do not have any nutritional                 value.

9. (a) Draw a large labeled diagram of villus found in the digestive system.

    (b) Name digestive juice produced by the liver and state the content of that juice.

    (c) Differentiate between the following terms.

1. Breathing and respiration
2. Inhalation and exhalation

SECTION C:

10. Write an essay on malaria using guidelines below.

1. Causes
2. Transmission
3. Signs and symptoms
4. Ways of prevention
5. Treatment of the diseases.

11. Discus the advantage and disadvantage of artificial and natural classification.

THE PRESIDENT’S OFFICE

MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

COMPETENCE BASED SECONDARY EXAMINATION SERIES

BIOLOGY MID TERM EXAMINATION

FORM TWO-MARCH/APRIL-2022

Time: 2:30Hours

Instructions.

1.    This paper consists of section A, B and C with a total of 11 questions
2.    Answer all questions in section A and B and ONE question from section C.
3.    Section A carries 30 marks, section B 50 marks and section C 20  Marks
4.    All answers should be written in the spaces provided.
5.    All communication devices, calculators and any unauthorized material are not allowed in examination room.
6.    Write your number on every page of your answer booklet.

1.       Question (i – x) is multiple choice items. Select the best answer in each case and write its letter in the chart provided

1.      Biology is the branch of science which deals with the study of

1.      Plants and animals
2.      Living things and non living things
3.       Living things
4.      Zoology and botany

2.    The reason why we study biology one is that

1.      We should be competent in the subject
2.      We want to improve the standard of living
3.       We want to teach students
4.      We want to be spokes mans of biologists

3.  The ability of organisms to detect changes in their environment is termed as 

1.      Irritability
2.      Movement
3.       Reproduction
4.      Nutrition

4.  The reason of having laboratory rules in laboratory is 

1.      To make it smart and attractive
2.      To make students uncomfortable
3.       To show how teachers we are strict
4.      To minimize danger/hazards

5.    In this way you can preserve alive and terrestrial plants

1.      In the dam
2.      Using cage
3.       Botanical garden
4.      Museum

6.  The organelle whose function is to transport protein and fats is

1.      Ribosome
2.      Golgi apparatus
3.       Endoplasmic reticulum
4.      Centrosome

7. The group of organs which join together and work as a functional unit is ……

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

8.   A person bite by a snake is  advised not take alcohol why?

1.      Because he can be bite by another  snake again
2.      Since the ant-venom wont work
3.       He want assist professionals to  identify snake type
4.      Since will increase heart rate and  spread of venom quick

9.     A plant cell type which has no  chloroplast is ………….

1.            Palisade cell
2.            Collenchyma’s cell
3.             Root hair cell
4.            Parenchyma cell

10.                       Body tube to the microscope has the following function

1.            Hold eye pieces and revolving nose piece
2.            Concentrates light reflected by mirror
3. Holding objectives in place
4.   Reflect light to the object
   2.       The following statement is either true or false so write T to the true statement      and F to the false statements. 

1.      Biologist is a person who study more about animals ______
2.    We get knowledge to preserve environment so biology is not important _____
3.  When a person has being burnt apply iodine tincture _________
4.  We put chemicals and apparati for emergency treatment in first aid kit ____
5.          Bacteria is prokaryotic ______
6.  The smallest unit of life is a cell _______
7. Mitochondria is a site for cellular respiration __________
8.   When cleaning lenses of microscope ethanol is recommended
9.  Heart, root, shoot, liver are organs 
10.    Red blood cells has no nucleus due to bad creation of God

3.    Match the sentence in list A with those in list B

LIST A.

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

1. Finger like projections that helps in digestion of food................................
2. Movement of food along alimentary canal..............................................
3.                    Feeding of dead decaying matter.....................................................
4.                    Digestive juice that contains three enzymes.................................
5. Loss of water in plants in form of droplets........................................................

SECTION B (50 Marks)

Answer all questions in this section.

5. a) Draw and label the structure of animal cell .

b) Mention four importance of first aid to an individual.

 6. a) Explain how will you help a victim of drowning

 b) State and explain three principles of   waste disposal.

7. (a) Explain briefly how cell membrane is made 

(b) Give two function of plasma membrane 

(i) __________________________________________

(ii) __________________________________________

(b)  Explain four principles of cell theory

  8. A) Mention five (5) laboratory rules you know 

 b) Mention five causes of accidents in the laboratory.

 9. i) Draw the following apparatus found in the laboratory. 

(a) Funnel      

 (b) Beaker

(c) Measuring cylinder   

 (d) Test tube 

II)  List four importance of studying biology.

SECTION C (20 Marks) Answer one (1) question from this section

10. WRITE an essay on balanced diet using the following subheadings;

•    Meaning of a balanced diet
•    Components of balanced
•    Importance of  each component
•    Deficiency diseases which may results when a person does not eat a balanced diet
• Two factors which contribute to lack of a balanced diet  among  children in Tanzania

11. Write the essay on cholera under the following subheading 

• cause
• transmission
• symptoms 
• Prevention. 

THE PRESIDENT’S OFFICE

MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

COMPETENCE BASED SECONDARY EXAMINATION SERIES

BIOLOGY MID TERM EXAMINATION

FORM TWO-AUG/SEPT 2021

Time: 2:30Hours

Instructions.

1.    This paper consists of section A, B and C with a total of 11 questions
2.    Answer all questions in section A and B and ONE question from section C.
3.    Section A carries 30 marks, section B 50 marks and section C 20  Marks
4.    All answers should be written in the spaces provided.
5.    All communication devices, calculators and any unauthorized material are not allowed in examination room.
6.    Write your number on every page of your answer booklet.

 SECTION A (30 Marks)

 Answer All questions in this section.

1.                For each of the items (i)-(x), choose the correct answer from the alternatives given.

(i)  In the human digestive system the stomach is known as:

1.  a tissue
2.  a cell
3.  an organ
4.  an organism

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

A.   Fungi         

 B.  Monera

 C.  Plantae 

 D.   Protoctista

(iii)The disease and disorder of the human circulatory system includes:

A.  Arteriosclerosis and heart burn

B.  Blood pressure and sickle cell anemia 

C.   Blood pressure and oedema 

D.   Leukemia and heart burn.

(iv)The product of anaerobic respiration process in animals is:

A.  uric acid     

B.  lactic acid

C.   sulfuric acid 

D.   hydrochloric acid

(v)  The ability of the human body to resist infections caused by micro organisms is known as:

1.  immunity 
2.   inoculation
3.   treatment 
4.   vaccination

(vi)  Insufficient food rich in protein to children especially infants result into nutritional deficiency disease called.

1.  Marasmus
2.  Obesity
3.  Kwashiorkor 
4.   Ricketts

(vii)  The structure of a leaf that allows oxygen and carbon dioxide to diffuse into and out of the leaf during gaseous exchange is known as:

1.  cuticle
2.  epidermis
3.  mesophyll
4.  stomata

(viii)     The following waste can be recycled except:

1.  aluminium cans  
2.   contaminated syringes 
3.   glass jars and bottles   
4.   papers and cardboards 
5.   plastic bags

(ix)  The following are the products of respiration except:

1.   alcohol, carbon dioxide, and energy
2.   alcohol, energy, and lactic acid
3.  carbon dioxide, energy, and lactic acid
4.   carbon dioxide, energy, and water 
5.    glucose, oxygen and water

(x)Three phyla of kingdom fungi are:

1.  Ascomycota, Basidiomycota and Eumycota
2.   Ascomycota, Basidiomycota and Zygomycota
3.  Ascomycota, Bryophyta and Eumycota
4.   Ascomycota, Bryophyta and Euglenophyta
5.    Ascomycota, Euglenophyta and Zygomycota

2.For each of the items (i) - (x), write True if a statement is correct or False if a statement is not correct in the space provided.

(i) Botany is the study of animals  

(ii)Gaseous exchange in mammals takes place in the nose and mouth

(iii)One enzyme can act on several food substances ...............

(iv)During inhalation the ribs move upwards and outwards............... 

(v) Anemia is a condition in which a patient has few erythrocytes . 

(vi) Landfill is a way of disposing domestic wastes ...............

(vii)Amylase is an enzyme which acts on protein ...............

(viii)Consumers in the ecosystem produce their own food...............

(ix)Syphilis is a communicable disease ...............

(x)All bacteria are harmful to man ...............

3. Match each item in List A with a correct response in List B by writing its letter bellow the number of the corresponding item in the table provided.

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

1. The largest rank in classification is called.................................
2. Name the agent that transmits bilharzia....................................
3. The blood vessel that transports manufactured food from intestines into the liver
4. Smallest structure where gaseous exchange takes place....
5. The product of anaerobic respiration in animals.............

SECTION B (50 Marks)

Answer all questions in this section.

5.(a) What is the difference between natural and artificial classifications?

(b)Explain why the artificial system of classification is not good.

 Mention two disadvantages of bacteria.

6.(a) What is natural environment?

(b)Explain the importance of the natural environment.

(c)Explain two significances of food chains and food webs in real life situation.

7.(a) Explain the uses of the following First Aid kit components:

(i)Scissors

(ii)Gauze

(iii)Adhesive plaster

(iv)Iodine tincture

(b)      Outline the procedure of giving First Aid to a victim of nose bleeding. 

(c) Explain the importance of giving First Aid.

5. The photograph below represents a plant in a certain Division.

(a) (i) Name the Division to which the plant belongs. 

(ii) With reference to the photograph, state three observable features of the Division named in a (i) above.

(b) Name the parts labelled N and P.

(c) Explain how the part labelled Q is adapted to its functions.

9. (a) State the effect of movement of the diaphragm muscles during inhalation in mammals

(b) State two structural adaptations of leaves that maximise efficiency in gaseous exchange.

SECTION C

10.        Write an essay on malaria using the following guidelines:

• Cause
• Transmission
• Symptoms 
• Effects
• Preventive measures

11. Explain six factors which affect the rate of transpiration in plants.

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