Plant Growth and Development Question 3
3. Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in
[2008]
(a) vessels and tracheid differentiation
(b) leaf abscission
(c) annual plants
(d) floral parts
Show Answer
Answer : b
Hints & Solutions
(b) Senescence is an active developmental cellular process in the growth and functioning of a flowering plant, indicated in lead abscission. Senescence is the changes that occur in an organism between maturity and death, i.e., ageing. Characteristically there is a deterioration in functioning as the cells become less efficient in maintaining and replacing vital cells components.
