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Name organisms that perform the function...

Name organisms that perform the function of nitrogen fixation.

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The phenomenon of conversion of atmospheric nitrogen into usable forms through the agency of living organisms is called nitrogen fixation. It occurs in two steps:
i) Ammonification : In this, proteins are converted into ammonia by decaying organisms.
ii) Nitrification : In this ammonium ions are converted into nitrates.
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OMEGA PUBLICATION-ENVIRONMENTAL CHEMISTRY -Multiple Choice Question (MCQs)
  1. Name organisms that perform the function of nitrogen fixation.

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  2. The most abundant hydrocarbon pollutants is

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  3. Which of the following does not contribute towards the formation of ph...

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  4. Which of the following is the biggest particulate matter?

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  5. London smog is found in

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  6. Which of the following statement is true ?

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  7. Which of the following is a sink for CO ?

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  8. Which of the following is a secondary pollutant?

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  9. The greatest affinity for haemoglobin is shown by

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  10. Ozone layer is present in

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  11. Depletion of ozone layer over Antarctica takes place during

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  12. Which of the following is not a herbicide ?

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  13. Poisonous gas present in the exhaust fumes of car is

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  14. Which one of the following is mainly responsible for depletion of ozon...

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  15. Ozone is formed in upper atmosphere from oxygen by the action of

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  16. The green house effect is caused by

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  17. DDT is

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  18. The point of temperature inversion between troposphere and ionosphere ...

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  19. Solid component of the earth consisting of soil, rocks and mountains i...

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  20. Which of the following has largest concentration in acid rain?

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  21. Which of the following is not a greenhouse gas?

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