1.

Which of the following substances can exist in all the three states of matter at 0°C?

2.

Pluto is the darkest planet because it

3.

In reproduction, the embryo can be referred to as

4.

5.

Which of the following is not a communicable disease?

6.

When bread is chewed for a long time, it tastes sweeter because it

7.

Which of the following gases is not an air pollutant?

8.

Dissolved mineral salts from the soil enter the plant by the process of

9.

Which of the following organs is the center of the Central Nervous System?

10.

Soil fertility can be conserved by all the following methods except

11.

Which of the following insects is an agent of pollination?

12.

During the dry season most trees shed their leaves to

13.

The chemical formula for sodium chloride

14.

Which of the following is the cleanest source of drinking water?

15.

The edible part of the mango fruit is called

16.

Which of the following is not a characteristic of all living organisms

17.

Which of the following conditions in a simple machine will make working difficult? When

18.

. A dam for generating power is constructed across a river. What type of energy is possessed by the water behind the dam?

19.

Which of the following is a function of prop roots? They

20.

Which of the following living organisms is not a reptile?

21.

The following are steps involved in how nutrients in decaying organic matter finally get to man.

I. The mineral in them go into the soil

II. Man goes to eat the plant food

III. They dissolve in soil water

IV. They are used up by plants during photosynthesis

Which of the following arrangements represents the correct order in which the processes occur?

22.

Which of the following is the energy possessed by an object placed on a table?

23.

24.

The most sensitive region of the eye to light rays is the

25.

Digestion is a process by which food is

26.

Which of the following processes is not a physical change

27.

Which of the following is used to measure the potential difference across a resistor in an electrical circuit?

28.

There are thick forests in some parts of the world because the climate there is

29.

Which of the following practices encourages soil erosion?

30.

A car battery produces electrical energy from

31.

Which of the following substances is not found in the excretory products of man?

32.

Which of the following processes can be used to obtain local gin from palm wine?

33.

34.

Which of the following organisms causes malaria?

35.

The male and female sex cells of a plant are respectively in the

36.

Which of the following preventive measures is not used in the control of tuberculosis?

37.

. During an eclipse of the sun, the region that has total darkness is known as

38.

Animals that live in grasslands include

39.

Which of the following are products of respiration?

40.

Which of the following living things hide during the sunny days in order to conserve water in its body?