Biologymedium · Past Paper
Which plant hormone prevents the falling of leaves and aging of plant organs?
AAbscisic acid
BEthylene
CCytokinin
DGibberellin
✓ Correct Answer: C — Cytokinin
Cytokinins delay senescence (aging) and promote cell division.
Share this question
More from Biology
- Which biome is characterized by permafrost?
- A cross involving only one pair of contrasting characters is called:
- Which syndrome is caused by the presence of an extra 21st chromosome (Trisomy 21)?
- The process of 'Guttation' occurs through specialized structures called:
- Which of the following is the 'climax community' in a typical forest succession?