Chapter 8: Composition and Structure of Atmosphere
Geography • Class 11 • Class 11 World Physical Geography
8
Composition and Structure of Atmosphere
Geography • Class 11 • Class 11 World Physical Geography
Related PYQs (7)
2018•Prelims•Paper 1 (GS)•Q.57
Consider the following statements :
1
The Earth's magnetic field has reversed every few hundred thousand years.
2
When the Earth was created more than 4000 million years ago, there was 54% oxygen and no carbon dioxide.
3
When living organisms originated, they modified the early atmosphere of the Earth.
Environmental ecology, Bio-diversity and Climate Change
2023•Prelims•Paper 1 (GS)•Q.62
With reference to the Earth's atmosphere,
which one of the following statements is correct?
Geography
2024•Prelims•Paper 1 (GS)•Q.2
Consider the following statements:
Statement-I
Thickness of the troposphere at the equator is much greater as compared to poles.
Statement-II
At the equator, heat is transported to great heights by strong convectional currents.
Which one of the following is correct in respect of the above statements?
Geography
2024•Prelims•Paper 1 (GS)•Q.12
With reference to "water vapour", which of the following statements is/are correct?
1
It is a gas, the amount of which decreases with altitude.
2
Its percentage is maximum at the poles.
Physical Geography
2022•Mains•GS-I•Q.17
Troposphere is a very significant atmospheric layer that determines weather processes. How?
GS-I Geography
2013•Prelims•Paper 1 (GS)•Q.89
Consider the following phenomena:
1
Size of the sun at dusk
2
Colour of the sun at dawn
3
Moon being visible at dawn
4
Twinkle of stars in the sky
5
Polestar being visible in the sky
Geography
2015•Prelims•Paper 1 (GS)•Q.40
Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances?
Environment
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