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Nitrogen Cycle

Nitrogen abso...

Question

Nitrogen absorbed by plants is

A

Converted to nitrate

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B

Reduced to ammonia

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C

Changed to nitrite

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D

Combined with oxygen

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Solution

The correct option is D Reduced to ammonia
Reduction of nitrogen to ammonia by a living organism is called biological nitrogen fixation. It requires ATP. Nitrogen absorbed by the plants is reduced to ammonia because ammonia is a utilisable compound to the plants.
So the correct answer is 'Reduced to ammonia'.

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