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The process of conversion of atmospheric...

The process of conversion of atmospheric free `N_(2)` gas to nitrogenous compounds like `NH_(3)` is termed as

A

nitrification

B

nitrate reduction

C

`N_(2)` fixation

D

ammonification

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The correct Answer is:
C
Nitrogen fixation is the convertion of inert atmospheric nitrogen or dinitrogen `(N_(2))` into utilisable compounds of nitrogen like nitrate, ammonia, amino acids. Nitrogen fixation can be atmospheric, industrial or biological.
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NCERT FINGERTIPS ENGLISH-MINERAL NUTRITION-Mineral Nutrition
  1. Nitrogen is a limiting nutrient for

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  2. One example of a nutrient in its reduced form is

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  3. The process of conversion of atmospheric free N(2) gas to nitrogenous ...

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  4. Nitrogen and hydrogen combine to form ammonia under high temperature a...

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  5. Decomposition of organic nitrogen of dead plants and animals into ammo...

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  6. Nitrite is oxidised to nitrate with the help of

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  7. Nitrifying bacteria

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  8. Identify the labels X and Y in the given outline of N(2) cycle and sel...

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  9. Nitrogen is absorbed by plants in form of

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  10. The process of conversion of soil nitrates into free N(2) is called (I...

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  11. The process that is the opposite of nitrogen fixation is

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  12. Match column I with column II and select the correct option from the g...

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  13. Which one of the following is a free-living obligate anaerobic bacteri...

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  14. The limiting factor in nitrogen fixation of soil is

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  15. All N(2) fixers belong to

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  16. The largest resevoir of nitrogen on earth is

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  17. If by radiation all nitrogenase enzymes are inactivated, then there wi...

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  18. A farmer adds Azotobacter culture to soil before sowing maize. Which m...

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  19. is a free-living N(2)-fixing aerobic bacterium.

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  20. Which of the following is a non-symbiotic nitrogen fixing prokaryote?

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