[A]: Plants are self-conscious [R]: Plants exhibit awareness to surroundings.
In the following question, a statement of assertion is following by a statement of reason. Mark the correct choice as: Assertion: CAM plants lack structural compartmentation of a leaf as found in C4 plants. Reason: Stomata of CAM plants are open during the day.
Assertion (A): Higher plants can not utilize nitrogen that is present in the form of N2 in air.
Reason (R): In higher plants, the nitrogenase enzyme is absent.