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WAEC Animal Husbandry 2021 Question 23

Question 23

Parasites of Farm Animals

The diagram below illustrates the life cycle of an endoparasite of a livestock.
The stage of the life cycle labelled II which enters the secondary host is called

Diagram for this question
  1. A.bladderworm.
  2. B.miracidium.
  3. C.sporocyst.
  4. D.redia.
Show the answer and explanation

Answer: B (miracidium.)

Explanation

The miracidium hatches from the egg in water and swims to enter the snail.