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Question: Answered & Verified by Expert
Ageing is retarted by
BiologyPlant - Growth and DevelopmentJIPMERJIPMER 2005
Options:
  • A ABA
  • B CKN
  • C GA
  • D $\mathrm{C}_2 \mathrm{H}_4$
Solution:
1781 Upvotes Verified Answer
The correct answer is: CKN
Richmond and Lang 1967 observed that degradation of protein and chlorophyll was delayed in the detached leaves of Xanthium, if there was cytokinin in the medium.

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