JAMB Biology 2000 Question 33

Question 33

Plant Responses and Hormones

Which of the following growth activities in plants is brought about by gibberellins?

  1. A.Rapid cell division
  2. B.Tropic response
  3. C.cell elongation
  4. D.Main stem elongation.
Show the answer and explanation

Answer: C (cell elongation)

Explanation

Gibberellins make stems grow taller mainly by making cells elongate.