Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in:

1. vessels and tracheid differentiation

2. leaf abscission

3. annual plants

4. floral parts.

Subtopic:  Auxin Function | Cytokinin | Ethylene | Abscisic Acid |
 67%
AIPMT - 2008
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NEET 2025 - Target Batch
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