Write TRUE if the statement is correct or FALSE if the statement is not correct.

1. A microscope is an instrument used to observe smaller objects which cannot be seen by using our normal eyes. (1 alama)
2. Plant cells possess cellulose cell walls while animal cell do not have. (1 alama)
3. We can use dry wooden stick to move a victim of electric shock from the source of electric current. (1 alama)
4. Botanists study both plants and animals. (1 alama)
5. It is safe to warm the room by using charcoal when people are sleeping the whole night inside the room. (1 alama)
6. Onion store food in leaves while carrots store food in root tubers. (1 alama)
7. Gaseous exchange in fish takes place through the spiracles. (1 alama)
8. Materials which can be recycled included aluminium cans and magazines. (1 alama)
9. All living things are made up of small units known as cells. (1 alama)
10. Biology is the study of non-living things. (1 alama)

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Match the item in List A with the correct item in List B by writing the letter of the correct response from List B below the number of the corresponding item in List A in the table provided. LIST A (i) A term used for organisms with four chambered stomach. (ii) Malnutritional disorder caused by deficiency of protein in children. (iii) Enzymes responsible for digestion of protein. (iv) Malformation of bones caused by deficiency of vitamin “D” in the diet. (v) Failure to see in dim light due to deficiency of vitamin “A” in a diet. (vi) Painful sensation caused by regurgitation of stomach contents. (vii) Bleeding of gums and poor healing of the wound due to deficiency of vitamin “C”. (viii) Painful sore in the lining of the digestive system. (ix) The substance responsible for coagulation of milk. (x) A person has loss of appetite, loss of nervous sensation due to deficiency of vitamin “B1” in a diet. LIST B A Night blindness B Scurvy C Pepsin D Pellagra E Beri-beri F Ulcers G Rickets H Kwashiorkor I Marasmus J Dental caries K Heartburn L Rennin M Anoxia nervosa N Ruminants O Bulimia nervosa

1. A term used for organisms with four chambered stomach. (1 alama)
2. Malnutritional disorder caused by deficiency of protein in children. (1 alama)
3. Enzymes responsible for digestion of protein. (1 alama)
4. Malformation of bones caused by deficiency of vitamin “D” in the diet. (1 alama)
5. Failure to see in dim light due to deficiency of vitamin “A” in a diet. (1 alama)
6. Painful sensation caused by regurgitation of stomach contents. (1 alama)
7. Bleeding of gums and poor healing of the wound due to deficiency of vitamin “C”. (1 alama)
8. Painful sore in the lining of the digestive system. (1 alama)
9. The substance responsible for coagulation of milk. (1 alama)
10. A person has loss of appetite, loss of nervous sensation due to deficiency of vitamin “B1” in a diet. (1 alama)

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(a) List the major groups of living organisms. (b) Figure 1 represents an organism which feed on dead organic matter. Study the diagram carefully then answer the questions that follow: (i) What is the name of organism in Figure 1? (ii) Name the part labelled with letter A. (iii) Mention the Phylum in which the organism you named in (a)(i) belongs. (c) Outline two disadvantages of Kingdom Fungi.

1. List the major groups of living organisms. (3 alama)
2. What is the name of organism in Figure 1? (1 alama)
3. Name the part labelled with letter A. (1 alama)
4. Mention the Phylum in which the organism you named in (a)(i) belongs. (1 alama)
5. Outline two disadvantages of Kingdom Fungi. (2 alama)
6. Outline two disadvantages of Kingdom Fungi. (2 alama)

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(a) What do you understand by the term “personal hygiene”? (b) State four principles of personal hygiene. (c) State four principles of good manner.

1. What do you understand by the term “personal hygiene”? (2 alama)
2. State four principles of personal hygiene. (4 alama)
3. State four principles of personal hygiene. (1 alama)
4. State four principles of personal hygiene. (1 alama)
5. State four principles of personal hygiene. (1 alama)
6. State four principles of good manner. (4 alama)
7. State four principles of good manner. (1 alama)
8. State four principles of good manner. (1 alama)
9. State four principles of good manner. (1 alama)

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(a) Define the following terms: (i) Diffusion (ii) Osmosis (b) Explain why a red blood cell immersed in the low concentrated solution burst? (c) State one function of each of the following blood cells: (i) Red blood cell (Erythrocytes) (ii) Platelets

1. Define Diffusion. (2 alama)
2. Define Osmosis. (2 alama)
3. Explain why a red blood cell immersed in the low concentrated solution burst? (3 alama)
4. State one function of Red blood cell (Erythrocytes). (1 alama)
5. State one function of Platelets. (2 alama)

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(a) What is First Aid? (b) List four components of the First Aid Kit. (c) State the procedures of giving First Aid to a person who has been bitten by a snake.

1. What is First Aid? (2 alama)
2. List four components of the First Aid Kit. (4 alama)
3. List four components of the First Aid Kit. (1 alama)
4. List four components of the First Aid Kit. (1 alama)
5. List four components of the First Aid Kit. (1 alama)
6. State the procedures of giving First Aid to a person who has been bitten by a snake. (5 alama)
7. State the procedures of giving First Aid to a person who has been bitten by a snake. (1 alama)

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Define the terms “food chain” and “food web” as used in Biology. (i) Food chain (ii) Food web Construct a food chain by using the following organisms: Grasses, Snake, Grasshopper, Frog. Explain the significance of food chain and food web in the real life situation.

1. Define the term "food web". (2 alama)
2. Construct a food chain by using the following organisms: Grasses, Snake, Grasshopper, Frog. (3 alama)
3. Explain the significance of food chain and food web in the real life situation. (3 alama)

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Explain the causes, mode of transmission and prevention measures of cholera as one of the communicable disease in Tanzania.

1. Explain the prevention measures of cholera. (6 alama)

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Describe the causes, mode of transmission and prevention measures of Tuberculosis diseases in the respiratory system.

1. Describe the prevention measures of Tuberculosis. (6 alama)

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