In the atmosphere the lowermost layer is

(1) troposphere

(2) exosphere

(3) ionosphere

(4) stratosphere

The lower layer of the atmosphere is called

(1) exosphere

(2) troposphere

(3) ionosphere

(4) mesosphere

Match List-\(\mathrm{I}\) with List-\(\mathrm{II}\) and select the correct answer using the code given below the Lists :

List - \(\mathrm{I}\)

a. Australia

b. China

c. France

d. West Indies

List - \(\mathrm{II}\)

1. Hurricane

2. Willy-willy

3. Typhoon

4. Mistral Code :

     a   b    c    d

(1)  2  1    4   3

(2)  1   2   3   4

(3)  1   3   2   4

(4)  4   1    2  3

Which is the lowest layer of the atmosphere?

(1) Troposphere

(2) Stratosphere

(3) Mesosphere

(4) Thermosphere

Which one of the following represents the lines joining the places of equal rainfall?

(1) Isohypses

(2) Isohalines

(3) Isobars

(4) Isohyets

Depression formed due to deflating action of winds are called

(1) Playas

(2) Yardang

(3) Ventifacts

(4) Sand dunes

Which one of the following is the highest cloud?

(1) Cirrus

(2) Stratocumulus

(3) Nimbostratus

(4) Cumulus

The troposphere is the hottest part of the atmosphere because

(1) it is closest to the Sun

(2) there are charged particles in it

(3) it is heated by the Earth’s surface

(4) heat is generated in it

The lowest layer of the atmosphere is :

(1) Stratosphere

(2) Thermosphere

(3) Troposphere

(4) Mesosphere

The zone of Earth’s atmosphere immediately above its surface up to a height of about 16 kms above the equator and 8 kms over the poles is known as :

(1) Mesosphere

(2) Thermosphere

(3) Troposphere

(4) Stratosphere

Which one of the following is called “Roaring Forty”?

(1) Winds blowing in the southern hemisphere between 400– 600 S

(2) Winds blowing in the northern hemisphere between 400– 600 N

(3) Very cold winds which blow in winters

(4) Very hot and fast blowing summer winds