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WAEC Biology 2016 Question 18

Question 18

Structure of Flowering Plants

In both dicotyledonous and monocotyledonous plants, the root hairs originate from the

  1. A.piliferous layer.
  2. B.epidermal layer.
  3. C.endodermal layer.
  4. D.cortical layer.
Show the answer and explanation

Answer: A (piliferous layer.)

Explanation

Root hairs grow out of the piliferous layer, the outer layer of the young root just behind the tip.