Botany · Plant Growth and Development
NEET (UG) 2025 — Question 101
Which one of the following phytohormones promotes nutrient mobilization which helps in the delay of leaf senescence in plants?
- Option A:
Ethylene
- Option B:
Abscisic acid
- Option C:
Gibberellin
- Option D:Correct
Cytokinin
Answer: D
Step-by-step solution
During leaf senescence, nutrients need to be mobilized from aging leaves to other plant parts. Cytokinins actually
delay senescence, while abscisic acid promotes it and nutrient mobilization.
Answer key and solution verified before publishing.
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- Exam
- NEET (UG) 2025
- Paper
- 2025 paper
- Subject
- Botany
- Chapter
- Plant Growth and Development
- Topic
- Cytokinins