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Assertion : Nitogen - fixing bacteria in...

Assertion : Nitogen - fixing bacteria in legume root nodules survive in oxygen - depleted cells of nodules.
Reason : Leghaemoglobin completely removes oxygen from the nodule cells.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

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