FORM TWO BIOLOGY TERMINAL EXAMS

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.

COLUMN A

COLUMN B

  1. Canning
  2. Drying
  3. Salting/curing
  4. Freezing
  5. Pickling.
  1. Exposing food to low temperatures to slow down spoilage.
  2. Using salt or sugar to draw out moisture and inhibit bacteria
  3. Storing food in airtight containers after heating to kill microorganisms
  4. Removing moisture through exposure to sun, wind, or ovens
  5. Immersing food in an acidic solution like vinegar
  6. Using smoke to dry the food and prevent micro-organism

 

SECTION B: 70 MARKS

Answer all questions in this section

  1.   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?             

 

  1.   (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      
  1.   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.

  1.      What physiological process was being investigated?    

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

  1.   (a) State the importance of nucleic acids to an organisms   
  1.   State the significance of the following to a leaf:-
  1.      Thinness         
  2.    Presence of air spaces       
  3.  Stomata         
  1.    What is the role of roof hairs in plants     
  2.   What is meant by the term organ systems in organisms?   

 

  1.   (a) State three factors that affect the rate of diffusion    
  1.   What is compensation point?      
  2.    State two properties of monosaccharide     
  3.   What is the main function of monosaccharide in organisms? 

 

  1.   (a) State the formula for calculating magnification  when using the following
  1.   Hand lens/naked eyes        
  2.                A light microscopic        
  1.   Explain why a mule, a product of mating between a horse and a donkey is sterile.                                                                                                               
  2.    State two factors considered while grouping the organisms in the same species                                                                                                                                                                       
  1.   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        
  1.  Explain how surface area to volume ratio idea may be applied to explain rate of diffusion in organisms.
  1.   (a) Name the taxonomic unit with:
  1.      The greatest number of organism.     
  2.    The least number of organisms     
  1.   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

  1. Describe the formation of lymph in human body

FORM TWO BIOLOGY EXAM SERIES 172  

FORM TWO BIOLOGY EXAM SERIES 172  

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
  1. 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.
  1. 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
  1. 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
  1. 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
  1. The body can make the following vitamin by itself;
  1. Vitamin A
  2. Vitamin B
  3. Vitamin K
  4. Vitamin D
  5. Vitamin E
  1. 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.
  1. 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.
  1. An enzyme is a:
  1. Fat
  2. Mineral salts
  3. Protein
  4. Vitamin E
  5. Carbohydrate.
  1. The main products of photosynthesis are transported away from the leaves by the;
  1. Phloem
  2. Xylem
  3. Cortex
  4. Veins.
  5. Sieve tubes
  1. 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.

LIST A

LIST B

(i) Carries deoxygenated blood away from posterior parts and hind limbs

(ii) Carries oxygenated blood towards liver

(iii) Carries oxygenated blood towards head and neck

(iv) Carries oxygenated blood toward Gonads

(v) Carries deoxygenated blood away from the kidney

  1. Carotid artery
  2. Hepatic artery
  3. Renal vein
  4. Renal vein
  5. Genital artery
  6. Genital vein
  7. Iliac vein

 

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

  1. 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.
  1. (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.

 

  1. (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.

FORM TWO BIOLOGY EXAM SERIES 150  

FORM TWO BIOLOGY EXAM SERIES 150  

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.

LIST A

LIST B

(i) A disease transmitted through sexual intercourse and treated by antibiotics

(ii) A viral disease transmitted through sexual intercourse

(iii) An disease characterized by fever and coughing up blood sputum

(iv) disease transmitted by contaminated water

(v) A disease caused by lack of proper hygiene and victim had a stool of rice water like coloration.

  1. Cholera
  2. Typhoid
  3. AIDs
  4. Arteries
  5. Syphilis
  6. Common cold
  7. Schist soma
  8. Tuberculosis
  9. Veins
  10. Malaria
  11. Vena cava

LIST A

i.

ii.

iii.

iv.

v.

LIST B






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

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

i.


ii.


iii.


iv.


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.

No

Tongue cell

Leaf cell

1



2



3



4



(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
  1. 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.

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

FORM TWO BIOLOGY EXAM SERIES 109  

FORM TWO BIOLOGY EXAM SERIES 109  

Student’s Examination Number……………………………

 

PRESIDENT’S OFFICE

REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

FORM TWO MOCK EXAMINATION 

033      BIOLOGY

Time: 2:30 Hours           JULY  2022

Instructions

  1. This paper consists of sections A, B and C with total of eleven (11) questions.
  2. Answer all questions in sections A and B and one question from section C.
  3. Answer all questions in the spaces provided.
  4. Section A carries thirty (30) marks, section B fifty (50) marks and section C carries twenty (20) marks.
  5. All writing must be in blue or black ink except drawing must be in pencil.
  6. Cellular phones and any other unauthorized materials are not allowed in the examination room.
  7. Write your Examination Number at the top right corner of every page.

 

FOR EXAMINERS’ USE ONLY

QUESTION NUMBER

SCORE

EXAMINATERS’ INITIALS

1

 

 

2

 

 

3

 

 

4

 

 

5

 

 

6

 

 

7

 

 

8

 

 

9

 

 

10

 

 

11

 

 

TOTAL

 

 

CHECKER’S INITIALS

 

 

 

SECTION A (30 Marks)

Answer all questions in this section

  1. For each of the item (i-x), choose the most correct answer from among the given alternatives and write its letter in the box provided.
  1. The branch of science which deals with the study of living things is known as

A: Biology     C: Botany

B: Ecology    D: Zoology

  1. Which of the following structure controls the movement of living materials in and out of the cell?

A: Nucleus    C: Cell membrane 

B: Chloroplast    D: Vacuole

  1. A room specifically designed for carrying out scientific experiments is known as

A: Classroom    C: Library

B: Fume chamber    D: Laboratory

  1. The following organisms belong to the kingdomFungi

A: Amoeba, Spirogyra and Yeast

B: Mucor, Mushroom and Algae

C: Yeast, Mucor and Moss

D: Yeast, Mushroom and penicillium

  1. Which of the following is a fundamental unit of life

A: Tissue     C: Heart

B: Kidney     D: Cell

  1. Muscle fatigue in the body is caused by lack of

A: Carbon dioxide    C: Lactic acid

B: Pyruvic acid    D: Oxygen

  1. Green plants in a community are ecologically referred to as

A: Consumers    C: Decomposers

B: Producers    D: Ecosystem

  1. The end product of fats/lipids in digestion process is called

A: Amino acid    C: Glucose

B: Peptide      D: Fatty acid and glycerol

  1. The process by which light energy split water molecules to release hydrogen ion and oxygen molecule is called

A: Photosynthesis    C: Hydrolysis

B: Photolysis    D: Condensation

  1. Cholera disease is caused by

A: Female anopheles-mosquito  C: Vibrio cholera

B:  Protozoan called amoeba  D: Housefly

 

i

ii

iii

iv

v

vi

vii

viii

ix

x

 

 

 

 

 

 

 

 

 

 

 

 

  1. For each of the following items (i-x), write True if the statement is correct or Falseif the statement is incorrect in the space provided.
    1. All cells contain chloroplast…………………
    2. Sharing of towels can spread STI’S……………….
    3. Bile is a greenish yellow liquid produced by gall bladder………………
    4. Xylem vessels transport water from the roots to the leaves……………..
    5. Anaerobic respiration occurs in the absence of oxygen………………….
    6. A good mannered person will always greet others……………………….
    7. Fungi are multicellular organisms which contain chlorophyll……………
    8. Rickets is prevented by increasing the amount of vitamin D in a diet……………
    9. Poor waste disposal may lead to the eruption of epidemic diseases……………….
    10. Colon is a special site for absorption of digested food materials…………...

 

 

i

ii

iii

iv

v

vi

vii

viii

ix

x

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Match the phrase in List A with response in List B by writing the letter with a correct responses in the spaces provided

LIST A

LIST B

  1. Malnutrition disorder caused by deficiency of protein in children
  2. Failure to see in dim light due to deficiency of vitamin A in a diet
  3. Malnutrition of bones caused by deficiency of vitamin B in a diet
  4. Bleeding of gums and poor healing of the wounds due to deficiency of vitamin C
  5. A disease caused by a lack of vitamin B3

A: Bulimia nervosa

B: Rickets

C: Scurvy

D: Marasmus 

E: Beriberi

F: Night blindness

G: Pellagra

H: Kwashiorkor

 

 

LIST A

i

ii

iii

iv

v

LIST B

 

 

 

 

 

 

 

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

  1. A taxonomic rank of organisms which interbreed freely and give rise to viable offspring are known as………………………………………
  2. The type of classification which is based on few observable features is called …………………………………………………….
  3. The highest rank of classification is known as……………………………..
  4. The process of sorting living things into groups is known as…………………………………………….
  5. An involuntary ejection of substances from the stomach through the mouth is called………………………………….

 

 

 

 

SECTION B (50 Marks)

Answer all questions in this section

5(a) Mention three phylum of Kingdom Fungi and give one representative member in each phylum

Phylum 

Example of representative organism

  1.  

 

  1.  

 

  1.  

 

 

 

(b) State four (4) economic importance’s of Kingdom Fungi

  1. ………………………………………………………………………………
  2. ………………………………………………………………………………
  3. ……………………………………………………………………………...
  4. ……………………………………………………………………………..

(c)  State three (3) demerits of Kingdom Fungi

  1. ………………………………………………………………………………
  2. ………………………………………………………………………………
  3. ……………………………………………………………………………….
  1. (a) Construct four (4) possible food chains by using the following organisms.

 

Grasses, Lion, Bacteria, Zebra, Hyena and Giraffe

  1. ……………………………………………………………………………………..
  2. …………..………………………………………………………………………….
  3. ………………………………………………………………………………………
  4. ………………………………………………………………………………………

(b) Explain the role played by the following organisms in the food chains you have constructed   in 6 (a)

above.

  1. Bacteria …………………………………………………………………………………………
  2. Grass ……………………………………………………………………………………………
  1. (a) What is gaseous exchange?

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

 

(b) Name the structures used for gaseous exchange in the following organisms

  1. Grasshopper
  2. Green plants
  3. Human being
  4. Fish
  5. Spider

           (c)  List three (3) factors affecting gaseous exchange rate.

i. …………………………..

ii……………………………

iii ………………………….

  1. (a) How is ileum adapted to its function? (four points)
    1. …………………………………..
    2. …………………………………..
    3. …………………………………..
    4. …………………………………..

 

(b) Explain how the following habits cause disorders in the digestive system?

  i. Eating a lot of sugary food………………………………………

  ii. Eating food with no or less fibres…………………………………

  iii Not drinking adequate amount of water…………………………

  iv Eating food with too much oil and spices………………………..

(c) Name four (4) types of teeth

  i. …………………………….

  ii…………………………….

 iii……………………………

 iv…………………………….

  1. (a) State the use of the following components of first aid kit.
  1. Cotton wool…………………………………………………………………………
  2. Soap…………………………………………………………………………………
  3. Pain killers……………………………………………………………………….….
  4. Whistle………………………………………………………………………………

 

 

(b) Give four (4) importance of providing first aid to a person who has been bitten by a snake.

 i. ……………………………………………………………………………………

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

 iii……………………………………………………………………………………

 iv……………………………………………………………………………………

 (c) List four (4) common accidents at home and school

  i……………………………………………

  ii…………………………………………..

  iii………………………………………….

  iv………………………………………….

 

SECTION C (20 Marks)

Answer only one (1) question from this section

 

  1. Write an essay on photosynthesis using the following guidelines

. Meaning of photosynthesis

. Raw materials for photosynthesis

. End products of photosynthesis

. Importance of photosynthesis (2 points)

 

  1. Elaborate any four (4) traditional and three (3) modern methods used in food processing, preservation and storage.

 

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FORM TWO BIOLOGY EXAM SERIES 103  

FORM TWO BIOLOGY EXAM SERIES 103  

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.

LIST A

LIST B

  1. Supplies blood to the heart
  2. Loss of mineral in which they move deeper beyond plant roots
  3. An organism that cause typhoid
  4. Classification based on few external features.
  5. Has same origin but different function.

 

  1. Epidemic disease
  2. Sporadic disease
  3. Niche
  4. Trophic level
  5. Cell specialization
  6. Cell differentiation
  7. Coronary artery
  8. Septum
  9. Leaching
  10. Eutrophication
  11. Salmonella typhi
  12. Typhoid coli
  13. Cytoplasmic streaming
  14. Pseudopodia
  15. Taxonomy
  16. Artificial classification
  17. Natural classification
  18. Homologous structure.
  19. Analogous structure.

 

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.

 

FORM TWO BIOLOGY EXAM SERIES 96  

FORM TWO BIOLOGY EXAM SERIES 96  

THE PRESIDENT’S OFFICE

MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

COMPETENCY BASEDSECONDARY EXAMINATION SERIES

BIOLOGYTERMINALEXAMINATION

FORM TWO-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. The liquid induced into the body of an organism so as to increase antibody production is known as
  1. tissue fluid.
  2. lymph.
  3. vaccine. 
  4. plasma.
  1. People with talking behaviour while eating are considered to have 
  1. bad manner. 
  2. table manner.
  3. talkative manner.
  4. chatty manner.
  1.                     Arteries have thick muscular walls because they transport blood 
  1. at low pressure. 
  2. at high pressure.
  3. towards the heart.
  4. away from the heart.
  1.                      What will happen when a red blood cell is placed in a more concentrated solution?
  1.  Crenation
  2.  Turgidity
  3.  Haemolysis
  4.  Plasmolysis
  1. A room specifically designed for carrying out scientific experiments is known as
  1.  Classroom
  2.  Fume chamber
  3.  Library
  4.  Laboratory
  1.                      The lowest rank of classification is called
  1.  Class
  2.  Kingdom
  3.  Species
  4.  Genus.
  1.                   The blood vessel which carries blood from the lungs to the heart is called:
  1. pulmonary artery
  2. vena cava
  3. pulmonary vein 
  4.  renal vein
  1.                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
  1.                      What does the concept of good health imply?
  1. A state of physical, sexual and mental fitness
  2. Being physically, mentally and socially fi
  3. A state of family well being
  4. Reproductive health and family care
  1. Which of the following cell structures differentiates an animal cell from a plant cell?
  1. cytoplasm
  2. cell wall
  3. pancreatic juice
  4. nucleus


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 spaces provided.

  1. All cells contain chloroplasts . . . . . . . . . . . . . .
  2. Cholera is transmitted through contaminated food . . . . . . . . . . . . . . 
  3.                     Photosynthesis is important because it releases carbon dioxide in the atmosphere……………….
  4.                      Anaerobic respiration is one of the causes of muscle fatigue………………
  5. Ventricles have thicker walls than the auricles .. 
  6.                      Colon is a special site for absorption of digested food materials ... ...
  7.                   Unicellular organisms are made up of one cell only ...............
  8.                Gaseous exchange in mammals takes place in the nose and mouth
  9.                      One enzyme can act on several food substances ...............
  10. Anemia is a condition in which a patient has few erythrocytes . 

2. 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.

LIST A

LIST B

(i) The highest rank in classification

(ii) A group of organisms that can interbreed to produce fertile offspring.

(iii) A sub-group of kingdom Plantae in which ferns belongs

(iv) A group of genera with similar characteristics.

(v)  A sub-group of highest rank of classification.

A. Kingdom

B. Phylum

C.  Class

D. Species

F. Family

G. Genus 

H. Order

I. Kingdom monera

K. Kingdom Pteridophyta

L. Phylum Bryophyta

M. Kingdom Plantae

(b) Answer the given questions by writing the correct answer in the blank spaces provided.

  1. In which stage is the hypothesis tested during scientific investigation? . . . . . . . . . . . . . . . . .
  2. The linear flow of energy and nutrient in the ecosystem is known as………………..
  3.                     Turning waste into useful products is termed as . 
  4.                      A place where solid waste is buried in the ground is called .......... . 
  5. A taxonomic rank of organisms which interbreed freely and give rise to viable offspring are known as ......................... 

SECTION B (50 Marks)

Answer all questions in this section.

4. In investigating a certain physiological process, students set up the apparatus as shown below and made the observation after 30 minutes as illustrated.

(a) Name the physiological process being investigated.

(b) Account for the observation made at the end of the experiment.

(c) State the likely identity of G.

5. (a)  Distinguish between chemical and mechanical digestion.

(b) State the role of each of the following in the mammalian respiratory system:

(i) mucus)

(ii) cartilage rings 

(iii) epiglottis 

6. In an investigation, students set up the apparatus below in the laboratory and made observations after 72 hours.

 (a) Explain how inclusion of the following components would affect the mouse in the experiment:

(i) Light

(ii) sodium hydroxide solution

b. Explain each of the following physiological observation :

(A) Sportsmen release little, concentrated urine at the end Of a strenuous exercise

(B) A rabbit has a higher oxygen demand than a camel

7.   (a) List five accidents which are common at school and home.

(i)     ………… ……………… ………………… …………………

(ii)  ………… ……………… ………………… …………………
 

FORM TWO BIOLOGY EXAM SERIES 58  

FORM TWO BIOLOGY EXAM SERIES 58  

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

BIOLOGY- TERMINAL EXAMINATION-MAY

033                                                   FORM TWO

TIME: 2½HRS                                                                                     

NAME: _____________________________________

INSTRUCTIONS

  1. This paper consists of sections A,B, and C
  2. Answer all questions in section A and B and one question from section C
  3. All writing should be in blue or black ink pen
  4. All answers should be in separate answer sheet
  5. Clarity and neatness will be rewarded.

SECTION A: 20 MARKS

1. MULTIPLE CHOICE QUESTIONS

(i) The following are list of laboratory apparatus. Identify the odd one out.

  1. Pooter
  2. Quadrat
  3. Sweep net
  4. Fishing net

 (ii)  Amina was bitten by a bee; which of the following should not be done

  1. Wash the area with soap and water
  2. Apply baking soda to the area
  3. Careful remove strings with your finger or sharp object
  4. Apply cold compress to remove pain

 (iii) Identify a gas that is dangerous to ozone layer if   released into atmosphere

  1. Carbon dioxide
  2. Nitrogen dioxide
  3. Sulphur dioxide
  4. Methane

 (iv)  After cholera outbreak, residents of mkwajuni village were vaccinated against the disease. The type of immunity carried out here will be:

  1. Artificial active immunity
  2. Natural passive immunity
  3. Natural active immunity
  4. Artificial passive immunity

(v) Which of the following is not a sign of Gonorrhea?

  1. Swollen lymph nodes
  2. Yellow discharge from vagina/penis
  3. Irregular menstruation
  4. Itching in private parts

 (vi) Among the following are functions of nucleus. Which one is not?

  1. Determine the chemical processes that take place in cell
  2. Initiate cell division
  3. Control function of all parts of the cell
  4. Determine hereditary characteristic of the cell

 (vii)  Which of the following is odd one out

  1. Mycobacterium tuberculosis
  2. Escherichia coli
  3. Treponema pallidum
  4. Salmonella typhi

 (viii) Which statement is false about division Bryophyta?

  1. Lack vascular tissues
  2. Found in most areas
  3. Need water for fertilization
  4. Has sporophyte as dominate stage

 (ix) Which of the following is True about digestion of starch

  1. Occur in mouth and esophagus
  2. Occur in mouth only
  3. Enzymes digesting starch are produced in stomach
  4. It end product of digestion is absorbed in lacteal 

 (x)  The chemical compound that can cause death in blood is

  1. Oxyhaemoglobin
  2. Carboxyhaemoglobin
  3. Carbominohaemoglobin
  4. Carbonhaemoglobin

 MATCHING ITEM QUESTIONS

2. (a) Match the items in list A with response in list B by writing the letter of correct response beside item number in separate answer sheet provided

LIST A

LIST B

(i) Prevents clotting of blood in our bodies 

(ii) Soluble protein

(iii) Occur when blood with similar antigen and antibody are mixed.

(iv) Fight pathogen through engulfing 

(v) Rapture of blood vessels leading to brain

 

  1. Fibrinogen
  2. Plasma
  3. Blood group AB
  4. Fibrin
  5. Leucocytes
  6. Thromboplastin, vit.k, calcium
  7. Agglutination
  8. Stroke
  9. Heparin
  10. Phagocytes
  11. Compatibility
  12. Thrombin
  13. Incompatibility
  14. Clot
  15. Blood group O
  16. thrombosis

 (b) Fill the gaps below with the correct answer.

  1. Group of organisms with similar nutritional habits…………………
  2. An organism that causes malaria……………………………
  3. An organism that feed on dead decaying matter………………..
  4. Clamping together of blood………………………………
  5. Bursting of red blood cells when put in hypotonic solution………………….

3. The following statements are either true or false. Write T for True statement and F for false statement on separate answer sheets.

  1. Destruction of red blood cells which are worn out occur in spleen
  2. Blood group AB is always a universal receipient
  3. A bird nest in a tree illustrates a mutualism feeding relationship
  4. A corm is a specialized stem which store food
  5. Transpiration occurs only through stomata
  6. Food in ileum is normally acidic
  7. All viruses are harmful to living organism
  8. Prokaryotes can reproduce by conjugation
  9. Kissing can spread/transmit HIV/AIDS
  10. Buying rechargeable batteries and battery chargers is a way of reducing wastes

 SECTION B

4. The diagram below illustrates a physiological process in red blood cell of mammals when placed in different solution.

image

 a) (i) What type of solutions are A  B and C?

(ii) Explain the biological process that has taken place in A and B

b) What would happen if a plant cell is placed in solution A and B

c) Explain why amoeba can successfully survive in solution B

 5. (I) The diagram below shows part of plant root.

 

  a) Name parts labeled  A, B and C

b) What is the role of cell labeled D?

c) Explain how water moves from from soil until it reaches vascular bundles

d) Name two forces involved in water uptake  in above cell

(II). List two factors that affect rate of active transport

6.(a) What is the primary source of energy in an ecosystem?

b) Give the trophic levels of the following

  1. A cow
  2. Bacteria
  3. Lion

c) Ecological pyramich tapper toward apex. Give two reasons

d) Draw and label structure of mitochondrion

7. a) Explain the following physiological processes

  1. Photosynthesis
  2. Chemosynthesis

b) Write an equation for reaction occurring during the following stage

  1. Light stage
  2. Dark stage

c) Mention 3 internal factors which affect rate of photosynthesis

d) Give the function of the following

  1. Eye piece
  2. Revolving nose piece
  3. Condenser

8. a)Name the causal organism of the following diseases

  1. Malaria
  2. Amoebic dysentery
  3. Typhoid

b) Name the substances made of the following nutrients that are involved in blood clotting

  1. Protein
  2. Vitamin
  3. Enzyme
  4. Mineral element

c)  Proteins are large molecules made up of long chains of amino acids joined together through a bond called

d) State the main role of the following mineral to plants

  1. Nitrogen
  2. Magnesium

 SECTION C. ESSAY QUESTION

Answer only One question

9. With use of 8 points; explain the effects of poor waste disposal in the community

 10. Explain digestion process that take place to a ball of ugali from when it is kept in mouth until it reaches anus.

FORM TWO BIOLOGY EXAM SERIES 11  

FORM TWO BIOLOGY EXAM SERIES 11  

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