Multiple choice

Cytokinins are abundant in

  1. embryos, meristems and flowers

  2. embryos, developing fruits and roots

  3. stem, fruits and flowers

  4. leaves, root nodules and fruits
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cytokinins are concentrated in regions of active cell division: embryos (rapidly dividing), developing fruits (cell expansion and division), and root tips (apical meristems). This distribution reflects their primary role in promoting cytokinesis. While present in other tissues, the highest concentrations are found in these metabolically active regions.

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