1. The cell as the basic unit of life consists of
- A. cell wall and vacuole
- B. nucleus and cell wall
- C. cytoplasm and nucleus
- D. cytoplasm and vacuole
2.
Use the following Classes of Arthropoda to answer the question below
- Crustacea II. Insecta III. Arachinda IV. Chilopoda
Which members of the classes live mainly in an aquatic habitat?
- A. I
- B. II
- C. III
- D. IV
3. Which of the classes is characterised by the possession of two pairs of antennae?
- A. I
- B. II
- C. III
- D. IV
4. The organism with spiral chloroplasts and nucleus suspended by cytoplasmic strands is
- A. Volvox
- B. Spirogyra
- C. Paramecium
- D. Euglena
5. The network of double membrane that conveys materials through the cytoplasm is the
- A. plasma membrane
- B. nuclear membrane
- C. mitochondrion
- D. endoplasmic reticulum
6. 
The diagram below is an illustration of the longitudinal section of a plant organ. Study to answer the question below.
Food is stored in the part labeled
- A. I
- B. II
- C. III
- D. IV
7.
The diagram below is an illustration of the longitudinal section of a plant organ. Study to answer the question below.
The plant is a
- A. stem tuber
- B. bulb
- C. stolon
- D. runner
8.
The diagram below is an illustration of the longitudinal section of a plant organ. Study to answer the question below.
The part labeled I is the
- A. apical bud
- B. scale leaf
- C. adventitious root
- D. fleshy leaf
9. Which of the following materials is not a living semi-permeable membrane?
- A. pig’s bladder
- B. Unripe pawpaw fruit
- C. Yam tuber
- D. Sheet of cellophane
10. In an experiment, mould and yeast cells were transferred into an environment with low oxygen concentration. After a few days, the mould dies while the yeast cells did not. Which of the following statements best explains the following observation.
- A. The yeast cells carried out photosynthesis while the mould did not
- B. Photosynthesis does not take place in the absence of oxygen
- C. Respiration can take place in yeast cells in the absence of oxygen
- D. Respiration does not occur in the mould
11. Which of the following tissues does not provide support in flowering plants?
- A. Collenchyma
- B. Parenchyma
- C. Xylem
- D. Phloem
12. The diagram below is an illustration of an experimental set-up. Study it and answer the question below;
The set-up directly measure
- A. transpiration of water by the shoot
- B. evaporation of water from the leaves
- C. absorption of water by the shoot
- D. loss of mineral salts from the leaves
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
14. The respiratory organ of a cockroach
- A. air sac
- B. trachea
- C. lung book
- D. lung
15. The excretory product of some reptiles, birds and insects is
- A. urea
- B. urine
- C. ammonia
- D. uric acid
