Question

what is senescence phase

Answer 1

Senescent phase is that stage in the life cycle of a plant which comes after plant reaches maturity, leading eventually to its death.

Answer 2

NCERT based Answer for Class 11 Biology Students

Senescence:

 Senescence is a period between complete maturity and death of an organ or organism.

 During this period, a gradual deterioration occurs in its structure by accumulation of waste metabolic materials and decrease in dry weight.