JAMB Biology 2008 Objective — Question 18

Question 18 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2008 Objective paper, with the correct answer and a full explanation.

Just as the teeth are used for grinding food, some stone-like substances found in the gizzard of a bird act

A. as a source of calcium
B. to aid digestion of shells
C. to grind foodCorrect
D. as a lubricant

Explanation

Just as the teeth are used for grinding food, some stone-like substances found in the gizzard of a bird act to grind food.

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