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Rhizobium

Atmospheric n...

Question

Atmospheric nitrogen is fixed by
A. all algae.
B. Rhizobium.
C. all bacteria.
D. lightning.

(a) Only B is correct.
(b) Only C is correct.
(c) All are correct.
(d) Both B and D are correct.

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Solution

(d) Both B and D are correct.

Atmospheric nitrogen is fixed by Rhizobium bacteria as well as by lightening.

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