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VGS PUBLICATION-BRILLIANT-BIO GEOCHEMICAL CYCLES-EXERCISE
- Name the three main processes by which oxygen is lost from the atmosph...
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- Why are root nodules useful for plants?
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- What is acid rain? How is it formed?
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- Give the names of a few organisms that help in nitrogen fixation.
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- List any three activities which would lead to an increase in the carbo...
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- Name few recently originated problems of environment.
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- What would happen if all oxygen present in the environment is converte...
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- Expand CFC………………..
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- Expand B.O.D.
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- What is the main concern of montreal protocol?
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- Which forms of nitrogen are taken up by plants from the soil?
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- Which is the most abundant element in the universe?
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- What is called UniversalSolvent?
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- What are the uses of water ?
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- What is nitrification? What are the bacteria that participate in nitri...
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- What is denitrification? Explain the process of denitrification ?
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- Explain briefly about greenhouse effect?
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- What are the uses of oxygen?
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- What is Biochemical Oxygen Demand (BOD) ?
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- State two harmful effects of Ozone hole or Ozone layer depletion.
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