Assertion : Nitrogen-fixing enzyme in legume root nodules function at low oxygen concentration.
Reason : Low oxygen concentration is provided by leghaemoglobin.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
Green manure plants belong to
Which organisms are used to increase thesoil fertility ?
Azolla enriches rice fields with nitrogen due to its association with
Due to which of the following organism, yield of rice is increased
The common nitrogenfixer in paddy fields is