JAMB Biology 1983 Question 1

Question 1

Structure of Flowering Plants

Root hairs are developed from the

  1. A.root apex
  2. B.epidermis of roots
  3. C.vascular bundles
  4. D.endodermis
  5. E.pericycle
Show the answer and explanation

Answer: B (epidermis of roots)

Explanation

Each root hair is a long, thin outgrowth of a single epidermal cell of the root (the piliferous layer). The pericycle gives rise to lateral roots, not root hairs.