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JAMB Biology 2014 Question 41

Question 41

Reproduction in Animals

When the adults have reached a certain degree of weakness, the process of binary fission is replaced by conjugation in

  1. A.Paramecium.
  2. B.Euglena.
  3. C.Amoeba.
  4. D.Plasmodium.
Show the answer and explanation

Answer: A (Paramecium.)

Explanation

Paramecium normally divides by binary fission, but after many divisions two individuals pair up and exchange nuclear material (conjugation), which renews their vigour.