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JAMB Biology 1985 Question 13

Question 13

Structure of Flowering Plants

Which of the following is common to a dicotyledonous stem and a monocotyledonous root?

  1. A.Medullary rays
  2. B.Central pith
  3. C.Wide cortex
  4. D.Narrow cortex
  5. E.Pericyclic fibres.
Show the answer and explanation

Answer: B (Central pith)

Explanation

Both the dicot stem and the monocot root have a central pith of parenchyma; the dicot root usually has none.