MCQ Question for Class 11 Geography Chapter 8 Composition and Structure of Atmosphere with Answer

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MCQ Question for Class 11 Geography Chapter 8 Composition and Structure of Atmosphere with Answer
MCQ Question for Class 11 Geography Chapter 8 Composition and Structure of Atmosphere with Answer

MCQ Question for Class 11 Geography Chapter 8 Composition and Structure of Atmosphere with Answer

Q.1 What is the % of nitrogen in the atmosphere?

(a) 20.95%
(b) 78.08%
(c) 20%
(d) 80%

(b) 78.08%


Q.2 Which gas is present in large amount in the atmosphere?

(a) oxygen
(b) hydrogen
(c) nitrogen
(d) carbon dioxide

(c) nitrogen


Q.3 Name the gas which is useful for plants

(a) oxygen
(b) carbon dioxide
(c) argon
(d) hydrogen

(b) carbon dioxide


Q.4 Which gas is found as a trace in the atmosphere?

(a) oxygen
(b) nitrogen
(c) carbon dioxide
(d) xenon

(d) xenon


Q.5 Which zone separates the troposphere from the stratosphere?

(a) Mesospause
(b) Tropopause
(c) Ionospause
(d) Stratopause

(b) Tropopause


Q.6 The increase in the volume of carbon dioxide for the past few decades is mainly due to

(a) deforestation
(b) climate change
(c) atmospheric composition
(d) burning of fossil fuels

(d) burning of fossil fuels


Q.7 What envelopes the earth all round?

(a) Hydrosphere
(b) Lithosphere
(c) Atmosphere
(d) Biosphere

(c) Atmosphere


Q.8 The radiations that heat earth’s atmosphere, comes from the

(a) Sun
(b) Earth
(c) Ionosphere
(d) Sun and Earth

(b) Earth

(d) all of them