JAMB - Biology (1978 - No. 27) | ExamPlay

JAMB - Biology (1978 - No. 27)

Which of these is not a part of the feather of a bird?

Wing

aftershaft

Inferior umblilicus

Vane

Barbule

Explanation

The feather contains a vane, afterfeather, calamus, barb, rachis.

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