set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

The substance having the largest concentration in acid rain?

a) HNO₃

b) HCl

c) H₂CO₃

d) H₂SO₄

Question : 2

Match List-I with List-II :

a) A – 4, B – 2, C – 1, D – 3

b) A – 1, B – 4, C – 2, D – 3

c) A – 4, B – 1, C – 2, D – 3

d) A – 4, B – 1, C – 3, D – 2

Question : 3

Identify the wrong statement in the following:

a) Greenhouse effect is responsible for global warming.

b) Acid rain is mostly because of oxides of nitrogen and sulphur.

c) Chlorofluorocarbons are responsible for ozone layer depletion.

d) Ozone layer does not permit infrared radiation from the sun to reach the earth.

Question : 4

The statement which is not correct about control of particulate pollution

a) Gravity settling chamber removes larger particles from the air

b) Cyclone collector removes fine particles in the diameter range 5-20 microns

c) In electrostatic precipitator, the particulates are made to acquire positive charge which are then attracted by the negative electrode and removed

d) Wet scrubbers are used to wash away all types of particulates

Question : 5

Which of the following best describes “jet streams”?

a) Narrow meandering bands of winds which blow in mid latitude near the tropopause and encircle the globe.

b) Wind blowing from sub tropical high pressure belts towards the tropical low pressure belts.

c) Wind system with seas and reversal of direction.

d) Winds blowing from the tropical high pressure belts towards the equatorial low pressure belts.

Question : 6

What is the reason for white cement to be white?

a) It does not contain iron

b) It does not contain silicon

c) It does not contain carbon

d) It does not contain calcium