Multiple choice

Which of the following statements is/are not true about the nitrogen cycle? A. Biological nitrogen fixation amounts to more than 60% of the annual total fixation. B. Nitrogen fixation is achieved industrially by Haber Bosch process. C. Nitrification involves the reduction of nitrogen compounds. D. Decomposers carry out deamination resulting in the release of nitrogen. E. Nitrosomonas reduces ammonia to nitrites.

  1. A and B only

  2. B, C and E

  3. C, D and E

  4. D and E only
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Nitrification involves oxidation of nitrogen compounds.  The decomposers carry out a process called deamination which results in the release of ammonia. Ammonia undergoes oxidation to give nitrates.

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