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WAEC Biology 2009 Question 27

Question 27

Structure of Flowering Plants

The mesophyll layer of a leaf consists of

  1. A.wax and cutin.
  2. B.cells with lignified walls.
  3. C.irregularly shaped collenchyma cells.
  4. D.photosynthetic parenchyma cells.
Show the answer and explanation

Answer: D (photosynthetic parenchyma cells.)

Explanation

The mesophyll (palisade and spongy layers) is made of parenchyma cells packed with chloroplasts for photosynthesis.