x) Organisms such as green plants that can manufacture their own food A: Scavengers B: Decomposers C: Producers D: Consumers

Match the items found in the laboratory in LIST A with the uses in LIST B. Write the answers in the table below the question.

1. Cage (1 mk)
2. Cage (1 mk)
3. Model (1 mk)
4. Model (1 mk)
5. Aquaria (1 mk)
6. Aquaria (1 mk)
7. Petri dish (1 mk)
8. Petri dish (1 mk)
9. Watch glass (1 mk)
10. Watch glass (1 mk)
11. Syringe (1 mk)
12. Syringe (1 mk)
13. Dissecting tray (1 mk)
14. Dissecting tray (1 mk)
15. Cover slip (1 mk)
16. Cover slip (1 mk)
17. Mounting needle (1 mk)
18. Mounting needle (1 mk)
19. Pooter (1 mk)
20. Pooter (1 mk)

Upgrade to see model answers.

Read the questions below very carefully and then fill in the blank spaces. a) Materials that are no longer needed are referred to as __________. b) A scientific system of naming organisms is ______________. c) Amoeba use _______________for locomotion and to ______________ food particles. d) Food substances peas, mushroom, beef, and termites are rich in _____________. e) The _________________ trophic level is made up of ___________________ such as bacteria and fungi. f) The ___________________ controls the functions of all the parts of the cell. g) The blood cells responsible for clotting of blood are known as _______________.

1. Materials that are no longer needed are referred to as __________. (1 mk)
2. A scientific system of naming organisms is ______________. (1 mk)
3. Amoeba use _______________for locomotion and to ______________ food particles. (2 mk)
4. Food substances peas, mushroom, beef, and termites are rich in _____________. (1 mk)
5. The _________________ trophic level is made up of ___________________ such as bacteria and fungi. (2 mk)
6. The ___________________ controls the functions of all the parts of the cell. (1 mk)
7. The blood cells responsible for clotting of blood are known as _______________. (1 mk)

Upgrade to see model answers.

Study the Figure X below then answer the questions that follows Figure X a) Identify any two (2) biotic factors from the figure X. b) Identify any two (2) abiotic factors from the figure X. c) Construct any two (2) food chains from the figure X. d) List any two (2) artificial components of environment found in the figure X. e) i) What is the ecological name of the figure X. ii) Define it

1. Identify any two (2) biotic factors from the figure X. (2 mk)
2. Identify any two (2) abiotic factors from the figure X. (2 mk)
3. Construct any two (2) food chains from the figure X. (4 mk)
4. List any two (2) artificial components of environment found in the figure X. (2 mk)
5. i) What is the ecological name of the figure X. ii) Define it (5 mk)

Upgrade to see model answers.

v. What is the aim of adding a pinch of Sodium carbonate in the water? _______________________________________________________________ _______________________________________________________________ _______________________________________________________________

1. What is the aim of adding a pinch of Sodium carbonate in the water? (1 mk)
2. Write two (2) importance of the process. (2 mk)
3. Write the balanced equation showing the process. (2 mk)
4. How to identify the gas produced? (2 mk)
5. What is the aim of the experiment? (1 mk)
6. Name the part where food is stored. (1 mk)
7. Name the digestive juices produced in the parts shown in the diagram. (2 mk)
8. Name the labelled part A (1 mk)
9. Name the labelled part B (1 mk)
10. Name the part where bile is stored. (1 mk)
11. Name the part where pH is acidic. (1 mk)
12. Name the part where bile is produced. (1 mk)
13. Name the labelled part D (1 mk)
14. Name the labelled part E (1 mk)

Upgrade to see model answers.

Organ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ System______________________________________________________________ ______________________________________________________________ ______________________________________________________________ Mention any two (2) structures that are only found in plant cell _______________________________________________________________ _______________________________________________________________

1. Organ (1 mk)
2. Define Cell with an example. (1 mk)
3. Define Tissue with an example. (1 mk)
4. System (1 mk)
5. Mention any two (2) structures that are only found in plant cell (2 mk)

Upgrade to see model answers.

Draw the cross-sections of i) A vein ii) An artery Write any two (2) differences between an artery and a vein Artery Vein i) ii)

1. Draw the cross-sections of i) A vein ii) An artery (4 mk)
2. Write any two (2) differences between an artery and a vein (2 mk)

Upgrade to see model answers.

Give the reasons for the following phenomenon a) Palisade cells contain many chloroplasts. ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ b) A person with blood group AB can receive blood from all blood groups. ___________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ c) The donor’s blood must be screened before transfusion. __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ d) Digestion of protein cannot start in the mouth. ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ e) The cell membrane allows only some substances to pass in and out of the cell. ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________

1. Palisade cells contain many chloroplasts. (2 mk)
2. A person with blood group AB can receive blood from all blood groups. (2 mk)
3. The donor’s blood must be screened before transfusion. (2 mk)
4. Digestion of protein cannot start in the mouth. (2 mk)
5. The cell membrane allows only some substances to pass in and out of the cell. (2 mk)

Upgrade to see model answers.

b) Study the set-up of the experiment of the photosynthesis , then answer the questions that follows a pinch of Sodium carbonate

1. Internal parts (0 mk)
2. v. What is the aim of adding a pinch of Sodium carbonate in the water? (0 mk)

Upgrade to see model answers.

‘ Asthma and Lung cancer are infectious diseases of the respiratory system.’ Write a short essay on Asthma or Lung cancer, choose only one. Your essay should include a) Cause of the disease b) Symptoms of the disease c) Control measure (prevention and treatment) of the disease.

1. Cause of the disease (3 mk)
2. Symptoms of the disease (3 mk)
3. Control measure (prevention and treatment) of the disease. (4 mk)

Upgrade to see model answers.

Write a short essay on how to prevent accidents at home and school. Use the following guidelines a) Defining accident b) Group at risk c) Mention types of accidents d) Choose one common accident and explain the way of preventing it.

1. Defining accident (2 mk)
2. Group at risk (2 mk)
3. Mention types of accidents (3 mk)
4. Choose one common accident and explain the way of preventing it. (3 mk)

Upgrade to see model answers.