Multiple choice

Which of these is NOT a process of nitrogen cycle occurring in nature?

  1. Starch is produced by photosynthesis

  2. Blue-green algae and bacteria fix nitrogen

  3. Uptake of nitrate by plants

  4. Lightning fixes nitrogen

  5. Death of organisms and nitrogenous waste excretion brings nitrogenous materials back to soil.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Photosynthesis is not a part of nitrogen cycle.

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