NEET Biology question

Not in NEET syllabus

The source of energy for non-biological (abiotic) nitrogen fixation is

(A)Ionising events such as lightning and the effect of cosmic raysCorrect
(B)Ferredoxin enzyme and nitrogenase
(C)Reduction of proteins to ammonia
(D)Oxidation of ammonia to protein

Answer: (A)

Solution

Abiotic (non-biological) nitrogen fixation occurs when the high energy of natural ionising phenomena — lightning discharges and cosmic radiation — is sufficient to break the strong N≡N triple bond, allowing atmospheric nitrogen

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Question ID VK-112764