Objective Test
Question 1
A metre rule can be used for measuring the
Question 2
Heat travels through vacuum by
Question 3
A mirror is used to direct sunlight onto the wall of a classroom by
Question 4
Which of the following energy changes takes place in ringing bell?
Question 5
A fuse is connected in an electric circuit to
Question 6
Which of these objects is a magnetic substance?
Question 7
Which of the following bodies are natural sources of light?
Question 8
Which of the following statements describes the nature of light?
Question 9
Metals are able to conduct electricity because they possess
Question 10
Beriberi is caused by deficiency of vitamin
Question 11
Which of the following fruits is adapted for dispersal by air?
Question 12
The food substance needed for growth and repair of tissues is
Question 13
The type of teeth used for biting and cutting are the
Question 14
Water is absorbed by roots in plants and transported to the leaves through the
Question 15
The outer ear consists of the
Question 16
Changes in pressure in the middle ear is regulated by the
Question 17
The amount of light that enters the eye is reduced by the size of the
Question 18
In humans, features of parents are passed on to offspring through
Question 19
The taste of water changes when it is boiled because
Question 20
Arrange the following types of water in order of increasing hardness
Question 21
Which of these methods is used to separate insoluble solids from liquids?
Question 22
A uniform mixture of two or more metals is called
Question 23
Which of the following liquids cannot dissolve an oil paint?
Question 24
An atom which contains more electrons than protons becomes a
Question 25
The following substances are mixtures except
Question 26
The fish is protected from injury by the
Question 27
Which of the following substances is an air pollutant?
Question 28
Bathing in lakes and slow moving streams can lead to one getting
Question 29
Some plants shed their leaves during the dry season to prevent
Question 30
Caterpillar is an example of
Question 31
How long does it take the moon to go completely round the earth?
Question 32
An unripe orange is said to be acidic because it
Question 33
The chemical symbol of potassium is
Question 34
The property of a metal that makes it possible for it to be drawn into a wire is called
Question 35
Which of the following methods of preserving food make use of heat energy?
I. Drying II. Frying III. Salting IV. Canning
Question 36
Weight is an example of
Question 37
Blood is prevented from flowing back into the veins by the
Question 38
The force that binds molecules of the same substance together is called
Question 39
Soluble digested food substances enter the blood of the human body by a process called
Question 40
Capillary action is applied in the following activities except