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Biology Quiz - Multiple Choice Questions with Answers

Why is it difficult to integrate nitrogen gas from the atmosphere into the nitrogen cycle of the biosphere?

[A] nitrogen is not very abundent in the atmosphere
[B] few organisms can directly utilize atmospheric nitrogen gas
[C] most plants do not require organic nitrogen compounds for survival
[D] oceans quickly absorb nitrogen gas
Answer & Explanation

Answer: [B]

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NCERT Class 12 Biology Solved Multiple Choice Questions