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WAEC Biology 1988 Question 21

Question 21

Plant Responses and Hormones

Auxins are produced in the

  1. A.petiole of leaves
  2. B.parenchyma of roots and shoots
  3. C.epidermis of roots and shoots
  4. D.apical regions of roots and shoots
  5. E.sclerenchyma tissues of roots and shoots
Show the answer and explanation

Answer: D (apical regions of roots and shoots)

Explanation

Auxins are made in the growing tips (apices) of shoots and roots and move back from there.