Which of the following reasons is responsible for the lack of vegetation in the deserts?

(1) Heavy volume of sands

(2) Absence of B-horizon in the soil

(3) High temperature

(4) Lack of rainfall

The humidity of air depends on

(1) Temperature

(2) Location

(3) Weather

(4) All of the above

The humidity of air depends on

(1) Temperature

(2) Location

(3) Weather

(4) All of the above

Our atmosphere is divided into layers.

(1) Two

(2) Three

(3) Four

(4) Five

The forests which act as barriers against cyclones are :

(1) Alpine forests

(2) Mangrove forests

(3) Evergreen forests

(4) Monsoon forests

Cloud burst means

(1) Formation of artificial rain

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

(3) Presence of scattered flakes of cloud in the

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

Which of the following is FALSE with respect to rainwater harvesting ?

(1) It is a device of water conservation.

(2) It helps to raise the water table.

(3) It helps meet rising water demand.

(4) It increases run-off losses.

The South-East trade winds are attracted towards the Indian subcontinent in the rainy season due to

(1) the development of cyclones over the equator

(2) the effect of easterlies

(3) the effect of Northern-East trade winds

(4) the presence of low atmospheric pressure over northwest India

The Mediterranean region is characterized by heavy rain in:

(1) Winter

(2) Spring

(3) Autumn

(4) Summer

The layer of the atmosphere close to the earth’s surface is called

(1) Exosphere

(2) Troposphere

(3) Stratosphere

(4) Ionosphere

Choose the correct option which represents the arrangement of atmospheric layers.

(1) Ionosphere, Ecosphere, Mesosphere, Stratosphere, Troposphere

(2) Ecosphere, Troposphere, Ionosphere, Mesosphere, Stratosphere

(3) Mesosphere, Ionosphere. Ecosphere, Troposphere, Stratosphere

(4) Troposphere, Ionosphere, Ecosphere