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Biogeochemical Cycles Free Doubts and Solutions

CBSE - IX - Biology - Natural Resources

Define biogeochemical cycle or what is biogeochemical cycle?

Asked by sajal2402 7th March 2018, 9:53 AM
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CBSE - IX - Biology - Natural Resources

Please explain question no. 13

Asked by vikasg13.hardware 29th December 2017, 12:15 PM
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CBSE - IX - Biology - Natural Resources

(i) Name two biologically important compounds that contain both oxygen and nitrogen. (ii) What is the role of nitrogen fixing bacteria?

Asked by Topperlearning User 27th April 2016, 8:06 AM
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CBSE - IX - Biology - Natural Resources

Give terms for the following: i. Conversion of ammonia into nitrates ii. Process of ammonia formation iii. Conversion of nitrates into ammonia

Asked by Topperlearning User 27th April 2016, 8:05 AM
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CBSE - IX - Biology - Natural Resources

Define biogeochemical cycle.

Asked by Topperlearning User 27th April 2016, 8:04 AM
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CBSE - IX - Biology - Natural Resources

(i)What are the consequences of global warming? (ii)Draw a labelled diagram to show water cycle in nature. (iii)Why is water essential for life?

Asked by Topperlearning User 21st March 2016, 3:04 PM
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CBSE - IX - Biology - Natural Resources

How to prepare for OTBA?????

Asked by Snehal Ambekar 12th March 2016, 11:21 PM
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CBSE - IX - Biology - Natural Resources

Why is the Ozone hole above Antartica, where there is very less pollution?
 

Asked by satishlr 3rd January 2016, 8:50 PM
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CBSE - IX - Biology - Natural Resources

Draw diagram of oxygen cycle.

Asked by Topperlearning User 4th May 2015, 2:58 PM
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CBSE - IX - Biology - Natural Resources

Draw carbon cycle.

Asked by Topperlearning User 12th March 2015, 3:27 PM
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CBSE - IX - Biology - Natural Resources

please explain nitrogen cycle. And please elaborate to get me out of confusion

Asked by nimishagupta0409 20th February 2015, 11:33 PM
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CBSE - IX - Biology - Natural Resources

Sir, I would like to have an EXPLANATION on nitrogen cycle.please give me the same .
 

Asked by Pawan chhipa 30th January 2015, 5:04 PM
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CBSE - IX - Biology - Natural Resources

Why are animals a renewable resource??
 

Asked by kumar.ashlesha 31st December 2014, 3:56 PM
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CBSE - IX - Biology - Natural Resources

What is the main cause of increase in CO2 in atmosphere? Explain the harmful effect of increase in CO2 content in atmosphere.

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

Explain how the nitrogen molecules are converted into nitrates and nitrites by: (i) Biological Process (ii) Physical process.

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

List three major physical processes in the water cycle in nature.

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

List three ways by which carbon dioxide is returned to the atmosphere.

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

What is green house effect? List two green house gases. State the ultimate effect of increase in green house gases in the environment.

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

What are the two forms of oxygen found in the atmosphere? What is their importance?

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

Give examples of i. Nitrifying bacteria ii. Denitrifying bacteria

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

Mention the three reservoirs for the carbon.

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

Which cycle is known as the perfect cycle in biosphere? Why?

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

What is leg haemoglobin?

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

i want the descriptions of all bio geo chemicals

Asked by aakash 11th March 2008, 6:30 PM
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