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11th Standard English Medium Biology (Botany) Subject Plant Growth and Development Creative 3 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 15

    3 Marks

    5 x 3 = 15
  1. Write the internal factors for condition of growth.

  2. Mention the agricultural role of gibberellic acids?

  3. What are phytochromes?

  4. What is the importance of photoperiodism?

  5. Mention some 'physiological changes occuring during senescence.

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