WAEC Biology 2017 Objective — Question 9
Question 9 of 50 from the West African Examinations Council (WAEC) Biology 2017 Objective paper, with the correct answer and a full explanation.
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Which of the labelled parts articulates with the head of the trochlea to form a hinge joint?
- A. A. I
- B. B. IICorrect
- C. C. III
- D. D. IV
Explanation
Part labelled II is the sigmoid notch which articulates with the trochlea of the humerus to form the elbow joint.
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