Assertion. Azolla pinnata is used as a biofertilizer in rice cultivation.
Reason. Azolla performs dinitrogen fixation with the help of symbotic bacterium Bacillus sp.

Assertion: Azolla pinnata is used as biofertiliser in rice cultivation. Reason: Azolla performs nitrogen fixation with the help of symbiotic bacteria Bacillus sp.

Assertion a : Azolla is used as biofertilzer in rice fields Reason r: Azolla contains nitrogen fixing cyanobacteria in its root nodules

Assertion a : Azolla is used as biofertilzer in rice fields Reason r: Azolla contains nitrogen fixing cyanobacteria in its root nodules

Assertion a : Azolla is used as biofertilzer in rice fields Reason r: Azolla contains nitrogen fixing cyanobacteria in its root nodules

Azolla is useful as biofertilizer in rice fields mainly by virtue of its

Azolla is useful as biofertilizer in rice fields mainly by virtue of its

Assertion : Biofortified crop is a source of higher protein, minerals and healthier fats. Reason : Azolla is biofertilizer.

Assertion : Biofortified crop is a source of higher protein, minerals and healthier fats. Reason : Azolla is biofertilizer.

Choose correct statement(s) about ''Azolla': (I) Azolla is a free-floating water fern. (II) Azolla fixes the atmospheric nitrogen in association with nitrogen fixing blue green alga Anabaena azollae. (III) It is used as a bio-fertilizer for wetland rice cultivation. (IV) Not suitable for rice crop.