Senescence as an active development cellular process in the growth and functioning of a flowering plant, is indicated in
A
Annual plants
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B
Floral parts
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C
Vessels and tracheid differentiation
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D
Leaf abscission
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Solution
The correct option is D Leaf abscission When the plants undergo ageing and develop into a mature plant and later the part of the developmental process ultimately leads to death is called as senescence. In many perennial plants, the older leaves and lateral organs like branches show senescence and die.