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JAMB Biology 2005 Question 14

Question 14

Structure of Flowering Plants

In the root vascular system, the stele is directly surrounded by the

  1. A.pericycle
  2. B.cortex
  3. C.endodermis
  4. D.parenchyma
Show the answer and explanation

Answer: C (endodermis)

Explanation

The endodermis is a ring of cells wrapped directly around the stele. The pericycle is the outer layer of the stele itself, and the cortex lies outside the endodermis.