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Karnataka Board PUCPUC Science Class 11

Would a defoliated plant respond to photoperiodic cycle? Why?

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Question

Would a defoliated plant respond to photoperiodic cycle? Why?

Answer in Brief
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Solution

  • No, as only the leaves get photoperiodic stimuli, a defoliated plant would not react to the photoperiodic cycle.
  • For this purpose, even a single leaf, or a portion of one, is sufficient. In order for the hormone responsible for flowering to be produced, leaves under inductive photoperiod must be present in order for the photoperiodic cycle to be perceived.
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Chapter 13: Plant Growth and Development - EXERCISES [Page 179]

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NCERT Biology [English] Class 11
Chapter 13 Plant Growth and Development
EXERCISES | Q 9. | Page 179

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