O-LevelBiologyCoordination & Response5090/11 · May/June 2021 · Q241 Mark

Which pair of bones form a hinge joint in the forelimb?

Ahumerus and scapula

Bradius and ulna

Cscapula and radius

Dulna and humerus

✓ Correct answer

D: ulna and humerus

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2021 Paper 1 Variant 1, question 24.

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