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Question: Answered & Verified by Expert
Select the incorrect statement about photoperiodism.
BiologyPlant - Growth and DevelopmentNEET
Options:
  • A The site of perception of light/dark duration are the leaves.
  • B Flowering in certain plants depends not only on a combination of light and dark exposures but also their relative durations.
  • C The hypothesised hormonal substance migrates from shoot apices to leaves for inducing flowering.
  • D Shoot apices modify themselves into flowering apices prior to flowering.
Solution:
2098 Upvotes Verified Answer
The correct answer is: The hypothesised hormonal substance migrates from shoot apices to leaves for inducing flowering.
The response of plants to periods of day/night is termed photoperiodism. It has been hypothesised that there is a hormonal substance(s) that is responsible for flowering. This hormonal substance migrates from leaves to shoot apices for inducing flowering only when the plants are exposed to the necessary inductive photoperiod.

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