Atmosphere -Test 1

Lapse rate is related to the decrease of

In North America, the hot dry winds that blow on eastern side of the rocky mountains are called

Local thunderstorms ‘Nor’westers’ are prominent in

The Trade winds are caused by

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

Mistral is a

Storm accompanied by strong winds revolving round a centre of atmospheric low pressure is known as

The proportion of nitrogen in dry air is

The instrument used for finding out wind-direction is

What is the main cause of the movement in the earth’s atmosphere ?

The unit for measurement of atmospheric pressure is

The Horse latitudes are

Trade winds blow in the Northern Hemisphere from

Consider the following statements about anticyclones :

A. The winds are divergent, and spiral out from the centre of high pressure

B. The air moves clockwise in the Northern Hemisphere & anticlockwise in Southern Hemisphere

C. It is accompanied by heavy rainfall

D. A sudden rise in barometric reading heralds the approach of anticyclone

Which of these statements are correct ?

Which of the following gases in the atmosphere provides a shield against the harmful ultraviolet rays of the sun ?

The centre of a cyclone is called

As the altitude increases, temperature decreases at the rate of 1 degree C for every

The Sea breeze blows during

The tropical cyclones of the Bay of Bengal are usually called

The percentage of oxygen in the atmospheric oxygen is approximately

Which of the following is the most destructive ?

What part of the total amount of sun’s energy does the top atmosphere of the Earth directly reflects back into space ?

The instrument used to measure the atmospheric pressure is

Which of the following occurs more frequently than the other three, in Indian ocean ?

Anemometer is an instrument used to