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JAMB Biology 2018 past questions and answers

2 questions. Try each one, then open the answer to check yourself and read the explanation.

Question 10

Reproduction in Animals

Use the diagram (transverse section of a fowl's egg): The young chick is formed from

Diagram for this question
  1. A.3
  2. B.3 and 4
  3. C.1, 3 and 5
  4. D.2.
Show the answer and explanation

Answer: D (2.)

Explanation

Part 2 is the germinal disc (embryo disc) on the yolk; the chick develops from it.

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Question 11

Reproduction in Animals

Use the diagram (transverse section of a fowl's egg): Which parts provide food for the developing chick?

Diagram for this question
  1. A.2 and 3
  2. B.4 and 5
  3. C.3 and 4
  4. D.2 and 5.
Show the answer and explanation

Answer: C (3 and 4)

Explanation

The yolk (3) and the albumen or egg white (4) are the food stores for the growing embryo.

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