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Biology Form Three End Year Exam Question Paper

Biology Form Three End Year Exam

Course:Secondary Level

Exam Year:2010

1. What are the products of hydrolysis of a molecule of lactose 1mark
2. Insects blood is not red. Give a reason 1mk
3. State the difference between saprophytic and parasitic nutritional 1mk
4. Mucus is secreted all along the gut. State two functions of the mucus in digestions 2mks
5. Give one adaptation of herbivores which enable them to digest cellulos 1mk
6a. Give a reason why osmosis does not aid in the movement of water up the stem 1mk
b. Name any two processes that end in movement of water up the stem 2marks
7. Differentiate between rough endoplasmic reticulum and smooth endoplasmic reticulum in terms of structure 1mk
8. Give any similarity between osmosis and diffusion 1mark
9. Name any three types of cells in a plant that are photosynthetic 3marks
10. State two ways in which disacocharicles can be hydrolyzed to monosacharicles in a school laboratory 2marks
11. Give reasons why the pancrease is described as a double gland 1mk
12. State the functions of the following parts of a root 1mark
i. Endodermis
ii. Cambium
13. When a cell is treated with a metabolic poison at interphase no further cell division occurs. Give reason 2marks
14. An organism with an exosketon segmented body two pairs of legs per segment , pair of eyes and a pair of short antennae belongs to which class 1mk
15. The diameter of field of a light microscope is 3.5mm. Plant cell lying along the diameter are 10. Determine the size of one cell in microns 2marks

Biology Form Three End Year Exam Question Paper

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