A) Annual plants
B) Floral parts
C) Vessels and tracheid differentiation
D) Leaf abscission
Correct Answer: D
Solution :
Senescence is an active developmental cellular process in the growth and functioning of a flowering plant, is a function of a flowering plant, and is indicated in leaf 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.
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