JAMB Biology 2012 Objective — Question 10

Question 10 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2012 Objective paper, with the correct answer and a full explanation.

Which of the following possesses mammary gland?

A. Dogfish
B. WhaleCorrect
C. Shark
D. Catfish

Explanation

The possession of mammary gland and hair distinguishes mammals from other groups of animals. Dogfish, Shark and Catfish are fishes while Whale, though aquatic, is a mammal.

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