x. The organ for gaseous exchange in fish A: Lung B: Trachea C: Skin D: Gills

Match the items from LIST A with the response in LIST B by writing the letter in the table below.

1. A basic principle of waste disposal (1 mk)
2. A basic principle of waste disposal (1 mk)
3. Materials that are no longer needed (1 mk)
4. Materials that are no longer needed (1 mk)
5. Home garbage, used plastic bottles, broken glasses (1 mk)
6. Home garbage, used plastic bottles, broken glasses (1 mk)
7. Equipment used in burning waste materials (1 mk)
8. Equipment used in burning waste materials (1 mk)
9. Handling containers used so as to reduce waste (1 mk)
10. Handling containers used so as to reduce waste (1 mk)
11. A toilet made by digging a hole in the ground (1 mk)
12. A toilet made by digging a hole in the ground (1 mk)
13. Old clothes, old furniture, leftover food and sewage (1 mk)
14. Wastes that can be decomposed by bacteria (1 mk)
15. Wastes that can be decomposed by bacteria (1 mk)
16. Medical wastes that can transmit infections and diseases (1 mk)
17. Medical wastes that can transmit infections and diseases (1 mk)
18. Regular collection of wastes by trucks to the dumping sites (1 mk)
19. Regular collection of wastes by trucks to the dumping sites (1 mk)

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Read the sentences below very carefully, and then fill the blank spaces. Use one word for each space. a) In 1665 Robert Hooke designed a _________________________ b) The two basic types of cells are ________________and_________________. c) The cell organelles are suspended in the _____________________________ d) The nucleus is made of a fluid called _________________________________ e) Smooth endoplasmic reticulum is the site for the manufacture of ____________. f) The inner folds of mitochondria are called __________________and these are the sites of _________________________ g) The green pigment in plants is ______________________.It is found in the cell organelle called____________________.

1. In 1665 Robert Hooke designed a ____________. (1 mk)
2. The two basic types of cells are ________and_________. (1 mk)
3. The cell organelles are suspended in the _____________. (1 mk)
4. The nucleus is made of a fluid called _______________. (1 mk)
5. Smooth endoplasmic reticulum is the site for the manufacture of ____________. (1 mk)
6. The inner folds of mitochondria are called ______________and these are the sites of _______________. (2 mk)
7. The green pigment in plants is ______________.It is found in the cell organelle called____________________. (2 mk)

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a) Name any two (2) types of water-borne disease. b) Tuberculosis is an air-borne communicable disease. Write a short essay about it, using the following sub-headings as a guidelines i) The cause and the transmission of the disease ii) The signs or symptoms of the disease iii) The effects of the disease iv) Prevention and treatment of the disease

1. The cause and the transmission of the disease (0 mk)
2. Name any two (2) types of water-borne disease. (2 mk)
3. The signs or symptoms of the disease (0 mk)
4. The cause and the transmission of the disease (3 mk)
5. The signs or symptoms of the disease (2 mk)
6. The effects of the disease (1 mk)
7. Prevention and treatment of the disease (2 mk)

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a) Define ecosystem. b) Write a short description on i) Biotic component of the environment and their characteristics ii) Abiotic component of the environment and their characteristics

1. Define ecosystem. (3 mk)
2. Biotic component of the environment and their characteristics (4 mk)
3. Abiotic component of the environment and their characteristics (3 mk)

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a) List down any three (3) disorders of the digestive system i) _____________________________________________________________ ii)______________________________________________________________ iii)______________________________________________________________ b) Write any three (3) differences between the human digestive system and the ruminant digestive system Human digestive system Ruminant digestive system i) ii) iii) c) i) Label the parts shown on the cross section of the tooth of the human being P_____________________ Q_____________________R______________________ S____________________T_______________________ U_____________________V _______________________ ii) Identify the type of the tooth above

1. List down any three (3) disorders of the digestive system (3 mk)
2. ii)______________________________________________________________ (1 mk)
3. Write any three (3) differences between the human digestive system and the ruminant digestive system (6 mk)
4. iii)_______________________________________________________________ (1 mk)
5. Label the parts shown on the cross section of the tooth of the human being (7 mk)
6. Identify the type of the tooth above (1 mk)

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a) Mention two (2) ways in which food nutrients and energy flow within the organisms b) Show diagrammatically the representation of the different trophic levels c) State two (2) forms of the close association between organisms in symbiosis d) Contrast between predation and competition

1. Mention two (2) ways in which food nutrients and energy flow within the organisms (2 mk)
2. Mention two (2) ways in which food nutrients and energy flow within the organisms (2 mk)
3. Show diagrammatically the representation of the different trophic levels (4 mk)
4. Show diagrammatically the representation of the different trophic levels (1 mk)
5. State two (2) forms of the close association between organisms in symbiosis (2 mk)
6. State two (2) forms of the close association between organisms in symbiosis (2 mk)
7. Contrast between predation and competition (4 mk)
8. Contrast between predation and competition (2 mk)

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a) Define blood transfusion. b) List any two (2) precautions taken during blood transfusion i) ii) c) Mention any two (2) reasons for a patient to have blood transfusion. i) ii) d) In a table below put a tick (√) where the blood is compatible and a star (*) where the blood is incompatible to the donor and recipient. Donor’s blood group Recipient’s Blood group A AB O A AB O

1. Define blood transfusion. (1 mk)
2. Define blood transfusion. (1 mk)
3. List any two (2) precautions taken during blood transfusion (2 mk)
4. List any two (2) precautions taken during blood transfusion (2 mk)
5. Mention any two (2) reasons for a patient to have blood transfusion. (2 mk)
6. Mention any two (2) reasons for a patient to have blood transfusion. (2 mk)
7. In a table below put a tick (√) where the blood is compatible and a star (*) where the blood is incompatible to the donor and recipient. Donor’s blood group Recipient’s Blood group A AB O A AB O (3 mk)
8. In a table below put a tick (√) where the blood is compatible and a star (∗) where the blood is incompatible to the donor and recipient. Donor’s blood group Recipient’s Blood group A AB O A AB O (1 mk)

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When you were playing football, your friend fell down and had a bruise on his arm. Outline three steps on how to give him first aid.

1. Outline three steps on how to give first aid for a bruise. (0 mk)
2. Fill in the table: Biting insect | Stinging insect (0 mk)
3. Mention any four (4) items that are found in the first aid kit (4 mk)
4. Mention any four (4) items that are found in the first aid kit (2 mk)
5. State the use of each item you mentioned above in (7a)(i) (4 mk)
6. State the use of each item you mentioned above in (7a)(i) (2 mk)

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i. Mention the bacteria that cause Cholera. ii. What is the shape of that bacteria causing Cholera? iii. What is the name of scientific study of bacteria?

1. Name the kingdom whereby the bacteria belongs. (0 mk)
2. Draw the labelled basic structure of a bacterium. (0 mk)
3. Name the structure that is used for Movement (1 mk)
4. Name the structure that is used for attachment. (0 mk)
5. Name the structure that is used for Attachment (1 mk)
6. What is the name of scientific study of bacteria? (0 mk)

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iv) The diagram below shows the demonstration of the process of osmosis using the Visking tubing, label the letters in the apparatus as shown. Page 10 of 14 Candidate’s Examination Number __________________ C ____________________________ D ___________________________ E _____________________________ F____________________________

1. Label the letter C in the apparatus. (0 mk)
2. Point out the use of oil in the experiment in the test tube number 1 (0 mk)
3. Greater volume of water and a lesser quantity of solute is said to be (0 mk)
4. Greater volume of water and a lesser quantity of solute is said to be _____________________________________________________________. (0 mk)
5. Predict what will happen to the lime water at the end of the experiment in the test tube number 2. (0 mk)
6. Label the letter D in the apparatus. (0 mk)
7. Label the letter E in the apparatus. (0 mk)
8. The process of anaerobic respiration in plants is also called (0 mk)
9. Same potential it is said to be ____________________________________ (0 mk)
10. The diagram below shows the demonstration of the process of osmosis using the Visking tubing, label the letters in the apparatus as shown. (0 mk)
11. Label the letter F in the apparatus. (0 mk)
12. Write the word equation showing what happen in the test tube number 1 (0 mk)
13. An anaerobic respiration in animals occur during (0 mk)
14. Write the word equation that represents the anaerobic respiration in animals (0 mk)

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The function of the labelled item F is _________________________________.

1. The function of the labelled item F is (1 mk)
2. Write the word equation that represents the anaerobic respiration in animals (0 mk)
3. The compound formed during anaerobic respiration in animal is ____________. (0 mk)
4. An anaerobic respiration in animals occur during (0 mk)
5. Write the word equation showing what happen in the test tube number 1 (0 mk)
6. The process of anaerobic respiration in plants is also called ________________. (0 mk)
7. In fig Q1 the level of solution A is (1 mk)
8. and in fig Q2 the level of solution A is (1 mk)
9. In fig Q1 the level of solution B is (1 mk)
10. and in fig Q2 the level of solution B is (1 mk)
11. and in fig Q2 the level of solution B is ________________________________. (0 mk)

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