1The three states of matter are
3What is the average body temperature of a healthy person?
5Leguminous crops such as beans may often be cultivated to
6Which of the following is an excretory organ?
7Which of the following is the function of the hair in the nose? It
8Which of the following is equal to one metre?
9Which of the following statements about feeding relationships is not true?
10In a simple machine, the force that is applied to enable work to be done is known as
11Which of the following changes does not occur in a girl at the age of puberty?
12The fixed point of a lever at which turning takes place is the
13Which of the following mixtures can be separated by filtration?
15The force which acts between planets and keeps them in their orbits is called
16Which of the following types of soil allows the fastest rate of drainage?
17Which of the following is the percentage composition of oxygen in the air?
18Disposal of sewage into a river which supplies water for domestic use may lead to an outbreak of
19The process by which a naphthalene ball (camphor) placed in a box gets smaller in size is termed
20Which of the following food substances is not oxidized during respiration?
21Kerosene and petrol are obtained from crude oil by
22Which of the following encourages the spread of venereal diseases?
23A torch light bulb lights up when connected to a dry cell. What type of energy is obtained from the cell?
24Which of the following is not a soil nutrient?
25Which of the following organisms causes bilharziasis?
26A piece of stone sinks in water because
27Which of the following is characteristic of reflex action?
28All the following are sense organs except the
29A mixture of raw starch and water is best separated by
30Which of the following is a horizontal underground stem?
32In an experiment in which a variegated leaf is used, which of the following is proved to be necessary for
photosynthesis?
33Friction is defined as a force which
34Which of the following is not a function of the lens in the human eye? It
36Smoke is an example of a mixture of
37Which of the following is the best method of preventing skin disease?
38Which of the following has a different physical state from the others under ordinary conditions?
39Heat from the sun reaches the earth by
40During an eclipse of the moon, the