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11th Standard English Medium Biology (Botany) Subject Plant Growth and Development Creative 5 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 25

    5 Marks

    5 x 5 = 25
  1. What is Photoperiodism. How are plants classified based on photoperiodism?

  2. Explain 'senescence'.

  3. Explain the physiological effects and agricultural role of Auxin.

  4. What is seed dormancy? Explain the methods of breaking dormancy.

  5. Why do cut leaves dipped in cytokinins stay green for longer duration?

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