Which of the following plant hormones promotes cell division?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Cytokinin
Cytokinins promote cell division (cytokinesis, from which they get their name). They are present in high amounts in regions of rapid cell division, such as fruits and seeds.
Why the other options are incorrect
Option (1) Abscisic acid — Incorrect. A hormone that inhibits growth and causes wilting and falling of leaves.
Option (2) Auxin — Incorrect. Made at the shoot tip, it helps cells grow longer and makes the shoot bend towards light.
Option (3) Gibberellic acid — Incorrect. A gibberellin that mainly helps in the growth of the stem.