Self Studies

Mineral Nutriti...

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  • Question 1
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    Sulphur loving bacteria consumes 'sulphates' from

  • Question 2
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    Fading of textile dyes and deterioration of natural and synthetic 'fibers' is caused by

  • Question 3
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    Which is chief source of nitrogenous matter urea?

  • Question 4
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    Nitric oxide gas reacts with ozone molecule to form

  • Question 5
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    Nitrogen fixing blue green alga are ____.

  • Question 6
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    The most abundant gas in the stratosphere is:

  • Question 7
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    What is concentration of nitric oxide in air?

  • Question 8
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    Which gas has adverse effects on human health?

  • Question 9
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    Symbiotic bacteria is not present in the nodules of : 

  • Question 10
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    Plants absorb Nitrogen from the soil in which form?

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