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Greenhouse Effect Ozone Depletion And Deforestation Free Doubts and Solutions

CBSE - XII Science - Biology - Environmental Issues

What is an ozone shield?

Asked by Topperlearning User 19th September 2016, 6:17 AM
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CBSE - XII Science - Biology - Environmental Issues

What is meant by an ozone hole?

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CBSE - XII Science - Biology - Environmental Issues

What was the purpose of the concept of Joint Forest Management (JFM)?

Asked by Topperlearning User 19th September 2016, 6:17 AM
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CBSE - XII Science - Biology - Environmental Issues

(a) What is El Nino effect? Explain how it accounts for biodiversity loss. (b) Explain any three measures which you as an individual would take to reduce environmental pollution.

Asked by Topperlearning User 16th June 2014, 1:53 PM
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CBSE - XII Science - Biology - Environmental Issues

Write an account on Montreal Protocol.

Asked by Topperlearning User 16th June 2014, 1:53 PM
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CBSE - XII Science - Biology - Environmental Issues

What is meant by Jhum cultivation? Explain how it is responsible for deforestation.

Asked by Topperlearning User 16th June 2014, 1:53 PM
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CBSE - XII Science - Biology - Environmental Issues

What is global warming? List any four strategies to reduce global warming.

Asked by Topperlearning User 16th June 2014, 1:53 PM
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CBSE - XII Science - Biology - Environmental Issues

The figure below shows the relative contribution of four greenhouse gases to global warming.       (i) Identify the gases A and C. (ii) Why are these four gases called greenhouse gases?

Asked by Topperlearning User 16th June 2014, 1:53 PM
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CBSE - XII Science - Biology - Environmental Issues

What is the Amrita Devi Bishnoi Wildlife Protection Award given for?

Asked by Topperlearning User 16th June 2014, 1:53 PM
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CBSE - XII Science - Biology - Environmental Issues

Mention the effect of global warming on the geographical distribution of stenothermals like amphibians.

Asked by Topperlearning User 16th June 2014, 1:53 PM
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CBSE - XII Science - Biology - Environmental Issues

How is snow blindness caused in humans?

Asked by Topperlearning User 16th June 2014, 1:53 PM
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CBSE - XII Science - Biology - Environmental Issues

Which is the most common and abundant greenhouse gas? Discuss the effect of this gas on the growth of plants.

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CBSE - XII Science - Biology - Environmental Issues

What is reforestation?

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CBSE - XII Science - Biology - Environmental Issues

Name any three gases contributing to the greenhouse effect.  

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