Natural Resources: CBSE Class 9 Science NCERT Solutions

Question 1
Question 2

How does the atmosphere act as a blanket?

Question 3

Why is the atmosphere essential for life?

Question 4

How is our atmosphere different from the atmospheres on Venus and Mars?

Question 5

What causes winds?

Question 6

Why do organisms need water?

Question 7

What is the major source of fresh water in the city/town/village where you live?

Question 8

Why is water essential for life?

Question 9

How are living organisms dependent on the soil? Are organisms that live in water totally independent of soil as a resource?

Question 10

How is soil formed?

Question 11

What is soil erosion?

Question 12

What are the methods of preventing or reducing soil erosion?

Question 13

Write a note on how forests influence the quality of our air, soil and water resources.

Question 14

How are clouds formed?

Question 15

What are the different states in which water is found during the water cycle?

Question 16

What are the two forms of oxygen found in the atmosphere?

Question 17

Name two biologically important compounds that contain both oxygen and nitrogen.

Question 18

List any three human activities that you think would lead to air pollution.

Question 19

Do you know of any activity which may be polluting this water source?

Question 20

We know that many human activities lead to increasing levels of pollution of the air, water-bodies and soil. Do you think that isolating these activities to specific and limited areas would help in reducing pollution?

Question 21

List any three human activities which would lead to an increase in the carbon dioxide content of air.

Question 22

Write a note on how forests influence the quality of our air, soil and water resources.

Question 23

What is the greenhouse effect?

NCERT Question Solutions

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