1Which of the following substances can exist in all the three states of matter at 0°C?
2Pluto is the darkest planet because it
3In reproduction, the embryo can be referred to as
5Which of the following is not a communicable disease?
6When bread is chewed for a long time, it tastes sweeter because it
7Which of the following gases is not an air pollutant?
8Dissolved mineral salts from the soil enter the plant by the process of
9Which of the following organs is the center of the Central Nervous System?
10Soil fertility can be conserved by all the following methods except
11Which of the following insects is an agent of pollination?
12During the dry season most trees shed their leaves to
13The chemical formula for sodium chloride
14Which of the following is the cleanest source of drinking water?
15The edible part of the mango fruit is called
16Which of the following is not a characteristic of all living organisms
17Which of the following conditions in a simple machine will make working difficult? When
18A dam for generating power is constructed across a river. What type of energy is possessed by the water
behind the dam?
19Which of the following is a function of prop roots? They
20Which of the following living organisms is not a reptile?
21The following are steps involved in how nutrients in decaying organic matter finally get to man.
22Which of the following is the energy possessed by an object placed on a table?
24The most sensitive region of the eye to light rays is the
25Digestion is a process by which food is
26Which of the following processes is not a physical change
27Which of the following is used to measure the potential difference across a resistor in an electrical
circuit?
28There are thick forests in some parts of the world because the climate there is
29Which of the following practices encourages soil erosion?
30A car battery produces electrical energy from
31Which of the following substances is not found in the excretory products of man?
32Which of the following processes can be used to obtain local gin from palm wine?
34Which of the following organisms causes malaria?
35The male and female sex cells of a plant are respectively in the
36Which 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
38Animals that live in grasslands include
39Which of the following are products of respiration?
40Which of the following living things hide during the sunny days in order to conserve water in its body?