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JAMB Biology 1983 Question 5

Question 5

Structure of Flowering Plants

In a dicot leaf, guard cells differ from other epidermal cells because they

  1. A.have no definite shape
  2. B.lack nuclei
  3. C.are smaller
  4. D.contain chloroplasts
  5. E.lack vacuole.
Show the answer and explanation

Answer: D (contain chloroplasts)

Explanation

Guard cells are the only epidermal cells of a leaf that contain chloroplasts; the other epidermal cells are colourless.