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Test: Composition & Structure Of Atmosphere - 1 - UPSC MCQ


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10 Questions MCQ Test Geography for UPSC CSE - Test: Composition & Structure Of Atmosphere - 1

Test: Composition & Structure Of Atmosphere - 1 for UPSC 2024 is part of Geography for UPSC CSE preparation. The Test: Composition & Structure Of Atmosphere - 1 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Composition & Structure Of Atmosphere - 1 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Composition & Structure Of Atmosphere - 1 below.
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Test: Composition & Structure Of Atmosphere - 1 - Question 1

Which of the following gases absorbs ultra violet rays?

Detailed Solution for Test: Composition & Structure Of Atmosphere - 1 - Question 1

It is found between 10 and 50 Km above the surface of the earth and acts as a filter.

Test: Composition & Structure Of Atmosphere - 1 - Question 2

The uppermost layer of the atmosphere is

Detailed Solution for Test: Composition & Structure Of Atmosphere - 1 - Question 2

The exosphere is the uppermost layer of the atmosphere. Together with the ionosphere, it makes up the thermosphere. The exosphere extends to 10,000 km above the Earth's surface. This is the upper limit of our atmosphere. The atmosphere here merges into space in the extremely thin air.

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Test: Composition & Structure Of Atmosphere - 1 - Question 3

It is an element of atmosphere

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Pressure is an important element of atmosphere.

Test: Composition & Structure Of Atmosphere - 1 - Question 4

Which gas is opaque to the outgoing terrestrial radiation?

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It is responsible for green house effect.

Test: Composition & Structure Of Atmosphere - 1 - Question 5

Excess carbon dioxide in the atmosphere due to pollution will cause

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The remaining trace gases include the greenhouse gases, carbon dioxide, methane, nitrous oxide, water vapour and ozone, so-called because they are involved in the Earth natural greenhouse effect, which keeps the planet warmer than it would be without an atmosphere.

Test: Composition & Structure Of Atmosphere - 1 - Question 6

Sea salt, pollen, ash, smoke, soot, fine soil, these all are associated with __________

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All of these are dust particles, which are also present in the atmosphere.

Test: Composition & Structure Of Atmosphere - 1 - Question 7

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

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The heat source for our planet is the sun. Energy from the sun is transferred through space and through the earth's atmosphere to the earth's surface. Since this energy warms the earth's surface and atmosphere, some of it is or becomes heat energy.

Test: Composition & Structure Of Atmosphere - 1 - Question 8

Increase in the volume of carbon dioxide for the past few decades is mainly due to

Detailed Solution for Test: Composition & Structure Of Atmosphere - 1 - Question 8

The burning of fossil fuels produces around 21.3 billion tons of carbon dioxide (CO2) per year and it is estimated that natural processes can absorb only half of this amount. Therefore, the net increase of CO2 per year is around 10.65 billion tons.

Test: Composition & Structure Of Atmosphere - 1 - Question 9

Which one of the following gases constitute the major portion of atmosphere?

Detailed Solution for Test: Composition & Structure Of Atmosphere - 1 - Question 9

The most abundant gas in our atmosphere is Nitrogen. It constitutes about 78% of our atmosphere.

Test: Composition & Structure Of Atmosphere - 1 - Question 10

Earth absorbs more

Detailed Solution for Test: Composition & Structure Of Atmosphere - 1 - Question 10

The Earth absorbs more heat. This heat primarily comes from the sun and is a critical factor in determining the Earth's climate and weather patterns. While the Earth does absorb moisture (such as water vapor), gases (including greenhouse gases), and humidity, the most significant factor in terms of energy absorption is heat.

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