The role of an iris in an eye is

Match the sentences in LIST A with a correct response from LIST B. Write the letter in the box below the questions.

1. Blood fluid (1 alama)
2. Omnivorous (1 alama)
3. Pollination (1 alama)
4. Electric current (1 alama)
5. V=V +V +V +……. 1 2 3 (1 alama)
6. Effort (1 alama)
7. Photosynthesis (1 alama)
8. Diptheria (1 alama)
9. Convex lens (1 alama)
10. Rainfall formation (1 alama)

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For each statement write T if the sentence is TRUE and F if the sentence is FALSE Write the answers in the table below the questions. i. The sun is an artificial source of light. ii. Marasmus is caused by lack of protein. iii. Puberty is the change from child hood to adult hood iv. The oviduct produces ova. v. The process of photosynthesis takes plant in the plant leaf. vi. The current flows only when there is a closed circuit. vii. Duodenum is the first part of small intestine. viii. Image in human eye is formed in the iris ix. Dynamite is the best method of fishing. x. Ureter transports urine from kidneys to urinary bladder.

1. The sun is an artificial source of light. (1 alama)
2. Marasmus is caused by lack of protein. (1 alama)
3. Puberty is the change from child hood to adult hood (1 alama)
4. The oviduct produces ova. (1 alama)
5. The process of photosynthesis takes plant in the plant leaf. (1 alama)
6. The current flows only when there is a closed circuit. (1 alama)
7. Duodenum is the first part of small intestine. (1 alama)
8. Image in human eye is formed in the iris (1 alama)
9. Dynamite is the best method of fishing. (1 alama)
10. Ureter transports urine from kidneys to urinary bladder. (1 alama)

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It is a transparent outer part of the eye___________________________. ( cornea, pupil, iris, aqueous humour, lens )

1. Draw the structure of the human brain. On it show Fore brain , hind brain , mid brain and spinal cord (0 alama)
2. It is made of transparent fluid that fills the first chamber_____________. ( cornea, pupil, iris, aqueous humour, lens ) (1 alama)
3. It is a transparent outer part of the eye___________________________. ( cornea, pupil, iris, aqueous humour, lens ) (1 alama)

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Choose the correct answers from the box below and fill in the blanks. a) The _______________is a pumping organ of blood. b) The blood is purified in the ________________________. c) A blood vessel that carries blood from the heart is __________________. d) A blood vessel that carries blood towards the heart is________________. e) The __________________are the smallest blood vessels. f) Blood in the pulmonary artery has much ___________________and lacks__________________. g) The upper chambers of the heart are called_____________________ h) The lower chambers of the heart are called _____________________ i) The adult human has an average of _________________beats per minute. Auricles, ventricles , kidney ,artery , vein, , 92 , carbon dioxide, ,capillaries , lungs , aorta , septum , oxygen , 72

1. The _______________is a pumping organ of blood. (1 alama)
2. The blood is purified in the ________________________. (1 alama)
3. A blood vessel that carries blood from the heart is __________________. (1 alama)
4. A blood vessel that carries blood towards the heart is________________. (1 alama)
5. The __________________are the smallest blood vessels. (1 alama)
6. Blood in the pulmonary artery has much ___________________and lacks__________________. (2 alama)
7. The upper chambers of the heart are called_____________________. (1 alama)
8. The lower chambers of the heart are called _____________________. (1 alama)
9. The adult human has an average of _________________beats per minute. (1 alama)

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a) What is electricity? b) Study the pictures of electrical devices below. Write the symbols used in these pictures.

1. What is electricity? (0 alama)
2. What is electricity? (4 alama)
3. Study the pictures of electrical devices below. Write the symbols used in these pictures. (0 alama)
4. D (1 alama)

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a) Define magnet. b) Name two (2) substances that can be attracted by a magnet. c) State the two (2) laws of magnet. d) Mention any four (4) devices that use magnet.

1. Define magnet. (0 alama)
2. Name two (2) substances that can be attracted by a magnet. (0 alama)
3. State the two (2) laws of magnet. (0 alama)
4. Mention any four (4) devices that use magnet. (0 alama)

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i) Fill in the amount of the composition of the given gases in air Gas Composition in air Nitrogen Carbon dioxide Rare gases ii) The gas which is missing in the table is ______. iii) The gas which is used to put off the fire is ______.

1. Define the term: Air (1 alama)
2. Define Air (2 alama)
3. The gas which is used in breathing in human is ______. (1 alama)
4. Fill in the amount of the composition of the given gases in air (3 alama)
5. Define the term: Combustion (1 alama)
6. Define Combustion (2 alama)
7. The gas which is used in breathing in human is ______________________. (1 alama)
8. The gas which is used to put off the fire is ______. (1 alama)
9. Fill in the amount of the composition of the given gases in air (2 alama)
10. The gas which is missing in the table is ____________________. (0 alama)
11. The gas which is used to put off the fire is __________________. (1 alama)

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c) Draw the structure of the human brain. On it show Fore brain, hind brain, mid brain and spinal cord

1. Mention the two (2) main parts of the nervous system. (2 alama)
2. Draw the structure of the human brain and label the Fore brain, hind brain, mid brain and spinal cord. (5 alama)
3. List the first function of the brain. (1 alama)
4. Mention the first main part of the nervous system. (1 alama)
5. Mention the two (2) main parts of the nervous system. (0 alama)
6. Mention the second main part of the nervous system. (1 alama)
7. List the second function of the brain. (1 alama)
8. List two (2) functions of the brain. (1 alama)
9. List two (2) functions of the brain. (1 alama)

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a) What are aquatic animals? b) In the given aquatic animals, fill in the table below the ones with backbone and without backbone. Turtle, crab, whale, dolphin, shark, octopus With backbone Without backbone c) List four (4) economic importances of aquatic animals

1. Classify the given aquatic animals into those with backbone (vertebrates) and those without backbone (invertebrates). (3 alama)
2. What are aquatic animals? (0 alama)
3. Define aquatic animals. (3 alama)
4. List the first economic importance of aquatic animals. (1 alama)
5. In the given aquatic animals, fill in the table below the ones with backbone and without backbone. Turtle, crab, whale, dolphin, shark, octopus (0 alama)
6. List the third economic importance of aquatic animals. (1 alama)
7. List four (4) economic importances of aquatic animals (0 alama)
8. List the fourth economic importance of aquatic animals. (1 alama)

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a) What is germination? b) Identify the type of germination in the following seeds. Fill the answers in the table below. bean, maize, pea, groundnut , rice , millet, mango, orange Seeds of epigeal germination Seeds of hypogeal germination c) Write in the table below a difference between epigeal germination and hypogeal germination.

1. What is germination? (0 alama)
2. Identify the type of germination in the following seeds. Fill the answers in the table below. bean, maize, pea, groundnut , rice , millet, mango, orange (0 alama)
3. Write in the table below a difference between epigeal germination and hypogeal germination. (0 alama)

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a) Draw the two (2) types of lenses b) Identify the part of the eye below which is described in the following: i) It is made of elastic tissue. It constricts or dilates ________________. ii) A small dark opening in the centre of the iris muscles________________. iii) It is made of transparent fluid that fills the first chamber_____________ iv) It is a transparent outer part of the eye___________________________ ( cornea, pupil, iris, aqueous humour, lens )

1. Draw the two (2) types of lenses (0 alama)
2. Identify the part of the eye below which is described in the following: (0 alama)

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b) The diagram below shows the effect of height in pressure, study it and then answer the questions.

1. What is pressure? (2 alama)
2. The hole which sends the longest jet from the tank is __________________. (1 alama)
3. The reason in (i) is _____________________________________. (2 alama)
4. The diagram below shows the effect of height in pressure, study it and then answer the questions. (0 alama)
5. The hole which sends the shortest jet from the tank is______________. (1 alama)
6. The reason in (iii) is ________________________________________. (2 alama)
7. Outline two (2) applications of pressure in water. (2 alama)
8. Why is the supplying water tanks placed above the ground level? (2 alama)

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Draw the longitudinal section of a flower, on it show the following i. Stigma ii. Style iii. Ovary iv. Anther v. Petal vi. Sepal

1. Stigma (1 alama)
2. Style (1 alama)
3. Ovary (1 alama)
4. Anther (1 alama)
5. Petal (1 alama)
6. Sepal (1 alama)

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