Assertion :Nitrogen-fixing bacteria in legume root nodules survive in oxygen-depleted cells of nodules. Reason: Leghaemoglobin completely removes oxygen from the nodule cells.
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Assertion is correct but Reason is incorrect
Assertion is incorrect but Reason is correct