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JAMB Biology 1989 Question 25

Question 25

Support and Movement

Use the figure (bones of the forelimb) to answer: Which of the labelled bones is the ulna?

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

Answer: B (3)

Explanation

Bone 3 carries the olecranon process at the elbow, so it is the ulna; bone 4 is the radius and 1 is the humerus.