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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

Both Assertion and Reason are true and Reason is the correct explanation of assertion

B

Both assertion and Reason are true, but reason is not the correct explanation of assertion

C

Assertion is true, but reason is false

D

Assertion is false, but reason is true

Text Solution

Verified by Experts

The correct Answer is:
A
Enzyme nitrogenase is sensitive to `O_(2)`. Thus, root nudules have laghaemoglobin. This pigment is an oxygen scavenger.
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