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JAMB Biology 1987 Question 11

Question 11

Plant Kingdom

In the reproduction of mosses, water is essential because

  1. A.they live in moist habitats
  2. B.they cannot reproduce without water
  3. C.the male gametes must swim to fertilize the ovum
  4. D.they produce spores.
Show the answer and explanation

Answer: C (the male gametes must swim to fertilize the ovum)

Explanation

Moss sperms (antherozoids) have flagella and must swim through a film of water to reach the egg in the archegonium.