NEET Botany Plant Growth and Development Questions Solved

Which of the following is not true for flowering?

  1. Only duration of dark period is important
  2. Certain plants depend not only on a combination of light and dark exposures but also their relative durations
  3. The site of perception for light or dark duration are the leaves
  4. There is a hormonal substance which migrates from leaves to shoot apices for inducing flowering only when the plants are exposed to the necessary inductive photoperiod.

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15.5 Photoperiodism

Plant Growth and Development


Difficulty Level:

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