Climatology-Composition and Structure of the Atmosphere (CBSE-NET (UGC) Geography (Paper-II & Paper-III)): Questions 12 - 17 of 68

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Question number: 12

» Climatology » Composition and Structure of the Atmosphere

MCQ▾

Question

The lower portion of the thermosphere is composed mainly of

Choices

Choice (4) Response

a.

Hydrogen and Helium

b.

Oxygen and Nitrogen in atomic form

c.

Helium only

d.

Oxygen and Nitrogen in molecular form

Question number: 13

» Climatology » Composition and Structure of the Atmosphere

MCQ▾

Question

The stratosphere is extremely dry with no clouds. However, very rare cloud that occur are called

Choices

Choice (4) Response

a.

Cumulo Nimbus clouds

b.

Mother of pearls

c.

Nacreous clouds

d.

Both b. and c. are correct

Question number: 14

» Climatology » Composition and Structure of the Atmosphere

MCQ▾

Question

The diurnal variation in the level of carbon dioxide is brought by

Choices

Choice (4) Response

a.

Photosynthesis during day and Respiration at night

b.

Photosynthesis

c.

Respiration

d.

None of the above

Question number: 15

» Climatology » Composition and Structure of the Atmosphere

MCQ▾

Question

Ozone is produced in the

Choices

Choice (4) Response

a.

Mesosphere

b.

Chemosphere

c.

Magnetosphere

d.

Stratosphere

Question number: 16

» Climatology » Composition and Structure of the Atmosphere

MCQ▾

Question

The seasonal variation in the level of carbon dioxide is brought about by

Choices

Choice (4) Response

a.

Shedding of leaves

b.

Cutting of trees

c.

Burning of fossil fuels

d.

Advent of spring budding flowers and leafing in northern hemisphere

Question number: 17

» Climatology » Composition and Structure of the Atmosphere

Assertion-Reason▾

Assertion (Ꭺ)

The thickness of the troposphere is greatest at the equator

Reason (Ꭱ)

Near the equator insolation is high and convection currents are strong

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Ꭺ is false but Ꭱ is true

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