NEET Biology question

Not in NEET syllabus

The limiting factor in nitrogen fixation of soil is

(A)soil nature (pH)Correct
(B)light
(C)temperature
(D)air

Answer: (A)

Solution

Extremes of soil pH affect nodulation by reducing colonisation of the rhizosphere by rhizobia — highly acidic soils have low P, Ca and Mo availability with high

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Question ID VK-113006