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In tissue culture system, this is the main effect of cytokinins

  • A.shoot elongation
  • B.adventitious root formation
  • C.induction of somatic embryos
  • D.adventitious shoot formation

Answer: D

Correct answer: adventitious shoot formation

Cytokinins promote cell division and, in tissue culture, the formation of adventitious shoots from callus. The balance with auxin decides the outcome: a high cytokinin to auxin ratio gives shoots, a high auxin ratio gives roots, and a balance gives undifferentiated callus.

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