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Home /Doubts and Solutions/CBSE/Class 9/Biology/Natural Resources/Natural Resources Water And Soil

Natural Resources Water And Soil Free Doubts and Solutions

CBSE - IX - Biology - Natural Resources

Explain any three factors responsible for soil formation.

Asked by Topperlearning User 30th September 2016, 2:12 PM
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CBSE - IX - Biology - Natural Resources

Classify soil on the basis of agricultural point of view.

Asked by Topperlearning User 27th April 2016, 8:02 AM
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CBSE - IX - Biology - Natural Resources

What is soil erosion? Write two steps to control soil erosion.

Asked by Topperlearning User 27th April 2016, 8:01 AM
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CBSE - IX - Biology - Natural Resources

Our Earth is covered with approximately 75% water still there is an urgent need to conserve water. Why?

Asked by Topperlearning User 27th April 2016, 8:00 AM
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CBSE - IX - Biology - Natural Resources

What is soil?How is it formed? State the major factor that decides the structure of soil. What role does it play?

Asked by Topperlearning User 27th April 2016, 7:59 AM
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CBSE - IX - Biology - Natural Resources

Write a note on how forests influence the quality of soil.

Asked by Topperlearning User 27th April 2016, 7:58 AM
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CBSE - IX - Biology - Natural Resources

(a)What are the different ways in which water gets polluted? (b)How does it affect the life forms?

Asked by Topperlearning User 21st March 2016, 2:59 PM
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CBSE - IX - Biology - Natural Resources

How rainfall related to soil erosion?

Asked by Topperlearning User 21st March 2016, 2:03 PM
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CBSE - IX - Biology - Natural Resources

Describe the types of water pollution

Asked by mkmishra101 21st January 2016, 6:25 PM
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CBSE - IX - Biology - Natural Resources

Suggest any two ways for conservation of water and mention any three traditional methods of doing so.

Asked by rkjha_in 24th March 2015, 5:26 PM
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CBSE - IX - Biology - Natural Resources

Respected Sir/Madam,

Can you please tell me that weather increasing the humus content of the soil reduces Soil Pollution?

Asked by apoorva2000ojha 8th December 2014, 8:31 PM
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CBSE - IX - Biology - Natural Resources

Water is essential for life? Why? State three points.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Natural Resources

(a) What are two different states in which water is formed during the water cycle? (b) What is the major source of fresh water in the city/town/village where you live? (c) Do you know any activity which may be polluting this water source?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Natural Resources

(a) List the causes that affect the life forms found in water bodies in various ways. (b) Name the element present in coal other than carbon that releases harmful gases during combustion of coal.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Natural Resources

Write three harmful effects of water pollution?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Natural Resources

Explain the role played by lichens, mosses and trees in soil formation.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Natural Resources

How following factors contribute in formation of soil? (a) Wind (b) Water (c) Sun

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Natural Resources

What is the importance of water?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Natural Resources

Explain the formation of soil.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Natural Resources

Define soil erosion.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Natural Resources

Name the different types of soil.

Asked by Topperlearning User 28th November 2013, 9:14 AM
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