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JAMB Biology 1989 Question 15

Question 15

Structure of Flowering Plants

In a dicotyledonous stem, each companion cell is found beside the

  1. A.endodermal cell
  2. B.xylem vessel
  3. C.sieve tube
  4. D.pericyclic fibre
Show the answer and explanation

Answer: C (sieve tube)

Explanation

Companion cells lie next to sieve tubes in the phloem and control their activities.