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Test: Natural Resources- 2


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20 Questions MCQ Test Online MCQ Tests for Class 9 | Test: Natural Resources- 2

Test: Natural Resources- 2 for Class 9 2022 is part of Online MCQ Tests for Class 9 preparation. The Test: Natural Resources- 2 questions and answers have been prepared according to the Class 9 exam syllabus.The Test: Natural Resources- 2 MCQs are made for Class 9 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Natural Resources- 2 below.
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Test: Natural Resources- 2 - Question 1

The main source of fresh water in India is

Detailed Solution for Test: Natural Resources- 2 - Question 1

Rainfall is the main source of fresh water in India. From precipitation alone (including snowfall), India receives 4,000 cubic km water. Of this, monsoon rainfall from June to September alone accounts for about 3,000 cubic km. A good part of it is lost through the process of evaporation and plant transpiration. A large part of water percolated into the ground and is available to us in the form of groundwater.

Test: Natural Resources- 2 - Question 2

The atmosphere of the earth is heated by radiations which are mainly

Test: Natural Resources- 2 - Question 3

All of earth’s water, land and atmosphere, within which life exists is known as

Test: Natural Resources- 2 - Question 4

If there were no atmosphere around the earth, the temperature of the earth will

Test: Natural Resources- 2 - Question 5

The nitrogen molecules present in air can be converted into nitrates and nitrites by

Test: Natural Resources- 2 - Question 6

Ozone layer is getting depleted because of

Test: Natural Resources- 2 - Question 7

The amount of carbon dioxide in the atmosphere has increased in recent years. Environmentalists suggest this change is a direct result of the

Test: Natural Resources- 2 - Question 8

Low visibility during cold weather is due to

Test: Natural Resources- 2 - Question 9

Smog is the mixture of

Test: Natural Resources- 2 - Question 10

Choose the correct sequencs.

Test: Natural Resources- 2 - Question 11

In nutrient cycle, minerals tend to be dispersed through

Test: Natural Resources- 2 - Question 12

What happens when rain falls on soil without vegetational cover?

Test: Natural Resources- 2 - Question 13

Soil composition is dependent on weathering because

Test: Natural Resources- 2 - Question 14

Top soil contains the following

Detailed Solution for Test: Natural Resources- 2 - Question 14

Top soil is the topmost and outermost layer of the soil, which is usually 2 inches to 8 inches layer. It is generally dark in colour due to humus, i.e., partially decayed organic matter, soil particles and living organisms as soil bacteria etc. 

Test: Natural Resources- 2 - Question 15

Which of the following processes is involved in the water cycle?

Test: Natural Resources- 2 - Question 16

What would happen, if all the oxygen present in the environment is converted to ozone?

Test: Natural Resources- 2 - Question 17

In nitrogen cycle, which bacteria are responsible for nitrification?

Test: Natural Resources- 2 - Question 18

Growth of lichens on barren rocks is followed by the growth of

Test: Natural Resources- 2 - Question 19

Why is it difficult to integrate nitrogen gas from the atmosphere in the nitrogen cycle of the biosphere?

Test: Natural Resources- 2 - Question 20

The process of nitrogen-fixation by bacteria does not take place in the presence of

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