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Question

Tick the correct answer.

(i) Which of the following gases protects us from harmful sun rays?

(a) Carbon dioxide

(b) Nitrogen

(c) Ozone

(ii) The most important layer of the atmosphere is

(a) Troposphere

(b) Thermosphere

(c) Mesosphere

(iii) Which of the following layers of the atmosphere is free from clouds?

(a) Troposphere

(b) Stratosphere

(c) Mesosphere

(iv) As we go up the layers of the atmosphere, the pressure

(a) Increases

(b) Decreases

(c) Remains the same

(v) When precipitation comes down to the Earth in the liquid form, it is called

(a) Cloud

(b) Rain

(c) Snow


Solution

(i) Which of the following gases protects us from harmful sun rays?

(a) Carbon dioxide

(b) Nitrogen

(c) Ozone

(ii) The most important layer of the atmosphere is

(a) Troposphere

(b) Thermosphere

(c) Mesosphere

(iii) Which of the following layers of the atmosphere is free from clouds?

(a) Troposphere

(b) Stratosphere

(c) Mesosphere

(iv) As we go up the layers of the atmosphere, the pressure

(a) Increases

(b) Decreases

(c) Remains the same

(v) When precipitation comes down to the Earth in the liquid form, it is called

(a) Cloud

(b) Rain

(c) Snow


Social Science
Our Environment
Standard VII

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