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

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

The source of hormone ethylene is________

Which of the following phenomena includes all the changes undergone by a living plant from seed emergence to death?

The hormone antagonistic to ABA is_______

The role of PGRs is a kind of intrinsic control.

Plants are able to measure the duration of exposure to light.

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