‘Cloud burst’ means

(1) Sowing of seeds of a crop in cloudy weather

(2) Abnormally heavy downpour of rain, associated with a thunderstorm.

(3) Formation of artificial rain.

(4) Presence of scattered flakes of cloud in the sky

All vital atmospheric processes leading to various climatic and weather conditions take place in the :

(1) Stratosphere

(2) Troposphere

(3) Ionosphere

(4) Exosphere

Which is the warmest layer of the atmosphere?

(1) Thermosphere

(2) Troposphere

(3) Stratosphere

(4) Mesosphere

Most of the ozone in the earth’s atmosphere is found in the :

(1) Troposphere

(2) Stratosphere

(3) Mesosphere

(4) Thermosphere

Which of the following is the uppermost layer of the atmosphere?

(1) Stratosphere

(2) Mesosphere

(3) Ionosphere

(4) Exosphere

Match List I and List II and mark the correct answer.

  List I                                             List II

(Winds)                                    (Locations)

a. Chinook                                  1. Alps

b. Foehn                                     2. India

c. Sirocco                                   3. USA

d. Loo                                          4. Egypt

(1) a = 4, b = 2, c = 1, d = 3

(2) a = 3, b = 4, c = 2, d = 1

(3) a = 3, b = 1, c = 4, d = 2

(4) a = 4, b = 3, c = 1, d = 2

In which of the following layer of the atmosphere the absorption and scattering of the solar ultraviolet radiation take place?

(1) Troposphere

(2) Stratosphere

(3) Mesosphere

(4) Thermosphere

A level of atmosphere that is composed partly of electrons and positive ions is called

(1) Troposphere

(2) Ionosphere

(3) Stratosphere

(4) Mesosphere

The amount of insolation received at a place on the surface of the earth depends upon:

(1) its climate

(2) the longitude of the place

(3) its latitude

(4) the altitude of the place

Which of the following wind is blowing from the Mediterranean sea to the North-Western parts of India?

(1) Western disturbances

(2) Northwestern

(3) Loo

(4) Mango showers

Which layer of the earth’s atmosphere contains the ozone layer ?

(1) Troposphere

(2) Mesosphere

(3) Ionosphere

(4) Stratosphere