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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development3 Marks
Question
Explain the following terms:
  1. Vernalisation.
  2. Photoperiodism.
  3. Differentiation.
✓

Answer

  1. Vernalisation refers to the low temperature treatment given to the seeds/ seedlings of certain plants to promote flowering.
  2. Photoperiodism refers to the response of plants to duration of light/ dark periods for flowering.
  3. Differentiation is the process by which totipotent embryonic or meristematic cells undergo changes in the structure, shape and chemical nature according to the function they are going to perform.

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