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WAEC Biology 2008 Question 35

Question 35

Adaptation

Pond weeds normally lack thick layers of cuticle because

  1. A.their system of photosynthesis is not efficient
  2. B.there is no danger of becoming desiccated
  3. C.their leaves are either dissected or ribbon-shaped
  4. D.there are numerous stomata on their upper epidermis.
Show the answer and explanation

Answer: B (there is no danger of becoming desiccated)

Explanation

Plants living in water never risk drying out, so they do not need a thick waxy cuticle to save water.