Botany - Plant Growth and Development Three Marks Questions

11th Standard

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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    10 x 3 = 30
  1. What is plasticity?

  2. What is sigmoid curve? Mention their phases

  3. Write the internal factors for condition of growth.

  4. Name the plant growth regulators?

  5. Mention the agricultural role of gibberellic acids?

  6. What are climacteric fruits?

  7. Mention some 'physiological changes occuring during senescence.

  8. List the types of Senescence.

  9. Draw a growth curve.

  10. What is abscission layer?

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