Which of the following provides medium for enzymatic activities of the plant?

Duration of light period is more important than the duration of dark period.

The hormone antagonistic to ABA is_______

Which of the following kinds of growth is exhibited by plants?

Which of the following hormone is a stress hormone?

Movement of auxin is centripetal.

The phenomenon under which living cells which have otherwise lost the capacity to divide, regain the property of divisio…

Which of the following processes lead to the formation of secondary xylem and phloem?