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JAMB Biology 1986 Question 13

Question 13

Structure of Flowering Plants

The stem differs from the root in having the xylem and phloem strands

  1. A.on the same radii
  2. B.scattered
  3. C.on alternate radii
  4. D.towards the pith.
Show the answer and explanation

Answer: A (on the same radii)

Explanation

In a stem each vascular bundle has its xylem and phloem on the same radius (phloem outside, xylem inside). In a root they alternate on different radii.