The climate of North America is influenced during winter by the

(1) Polar airmasses

(2) Warm airmasses

(3) Continental airmasses

(4) Tropical airmasses

Storms of gases are visible in the chromosphere of the Sun during

(1) Cyclones

(2) Anticyclones

(3) Lunar eclipse

(4) Solar eclipse

Recharging of water table depends on

(1) amount of rainfall

(2) relief of the area

(3) vegetation of the area

(4) amount of percolation

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