16. The part of the mammalian kidney that stores urine is the
- A. capsule
- B. medulla
- C. pelvis
- D. bladder
17. The properties of endocrine system include the following except
- A. secretion of hormones
- B. transportation by blood to target organ
- C. having specific effect
- D. release of secretion into ducts
18. The part of the central nervous system that controls unconscious actions in humans is the
- A. cerebellum
- B. cerebrum
- C. spinal cord
- D. optic nerves
19. What happens when the ciliary muscles of the eye contract? The
- A. lens become more concave
- B. lens become more convex
- C. lens gets a longer focal length
- D. suspensory ligament becomes tight
20. The diagram below is an illustration of a part of a flower. Study it and answer the question below;
The function of the part labeled I is
21. The part labeled II is the
- A. unfused stigma
- B. fused style
- C. fused ovaries
- D. unfused anther
22. The reagent used in testing for carbon (IV) oxide is
- A. copper sulphate solution
- B. lime water
- C. hydrochloric acid
- D. sodium hydroxide solution
23. Oxygen comes out of the stomata during photosynthesis through the process known as
- A. diffusion
- B. transpiration pull
- C. osmosis
- D. active transport
24. The first stable product of photosynthesis is
- A. starch
- B. fructose
- C. glucose
- D. sucrose
25. An example of a trace elements is
- A. potassium
- B. calcium
- C. magnesium
- D. copper
26. Which of the following statements about a mixture of a protein-digesting enzyme and starch solution would be correct? The protein-digesting enzyme
- A. has no effect on the starch solution
- B. leads to the production of amino acids
- C. leads to the production of glucose
- D. digest the starch
27. The mutualism type of relationship is different from a parasitic relationship because in mutualism
- A. both organisms involved benefit
- B. none of the organisms benefits or harm each other
- C. both organisms harm each other
- D. only one of the organisms is harmed
13. The set-up can measure comparatively the rate of
- A. evaporation from leaves on a single shoot under different experimental conditions
- B. salt uptake by shoots from different plants
- C. transpiration of a single shoot of a plant under different experimental conditions
- D. water uptake by roots of different plants
28. The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below;
Organism | Number in the habitat | |
| habitat W | habitat Y |
Plankton | 126 | 0 |
Antelope | 0 | 51 |
Water flea | 10 | 0 |
Tilapia | 23 | 0 |
Lion | 0 | 6 |
Frog | 6 | 0 |
Grass | 0 | 250 |
What type of habitat is W?
- A. Rainforest
- B. Pond
- C. Desert
- D. Ocean
29. The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below;
Organism | Number in the habitat | |
| habitat W | habitat Y |
Plankton | 126 | 0 |
Antelope | 0 | 51 |
Water flea | 10 | 0 |
Tilapia | 23 | 0 |
Lion | 0 | 6 |
Frog | 6 | 0 |
Grass | 0 | 250 |
Which of the following statements about habitat W is correct? The
- A. absence of lions and antelopes shows that the habitat is terrestrial
- B. presence of Tilapia and planktons shows that the habitat is not aquatic
- C. type of organisms present indicate that habitat is aquatic
- D. absence of grasses indicates that the habitat is terrestrial
30. The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below;
The number of lions and antelopes in habitat Y shows that the lion
- A. is the prey while the antelope is the predator
- B. is the predator while the antelope is the prey
- C. and the antelope are preys to each other
- D. and the antelopes are predators
