Plant Growth and Development Quiz for Class 11 Biology CBSE
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Questions and Answers

What is the primary function of cytokinins in plant growth and development?

  • Regulating stomatal closure
  • Inducing leaf senescence
  • Promoting cell division (correct)
  • Inhibiting seed germination

    • Which plant hormone is associated with promoting fruit ripening and abscission of leaves and fruits?

  • Jasmonic Acid
  • Ethylene (correct)
  • Brassinosteroids
  • Salicylic Acid

    • Which of the following is a plant growth regulator responsible for cell division and elongation?

  • Abscisic Acid
  • Auxin (correct)
  • Gibberellin
  • Cytokinin

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