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IMPORTANT
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Biosphere includes

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Important Questions on Natural Resources

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9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 7 - Natural Resources>PRACTICE QUESTIONS>Q 56
Fertility of the soil is reduced by
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9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 7 - Natural Resources>PRACTICE QUESTIONS>Q 57
Deforestation causes
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9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 7 - Natural Resources>PRACTICE QUESTIONS>Q 58
The average amount of CO2 in atmosphere is
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9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 7 - Natural Resources>PRACTICE QUESTIONS>Q 59
The average amount of N2 in atmosphere is
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9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 7 - Natural Resources>PRACTICE QUESTIONS>Q 60
Which substance is responsible for depletion of ozone layer?
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9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 7 - Natural Resources>PRACTICE QUESTIONS>Q 61
Which organism cannot fix atmosphere nitrogen?
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9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 7 - Natural Resources>PRACTICE QUESTIONS>Q 62
Which gas causes 'greenhouse' effect and leads to global warming?
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9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 7 - Natural Resources>PRACTICE QUESTIONS>Q 63
'Freeing' of N2 gas from nitrates present in soil and water is known as