Number of teeth which grow twice are

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Number of teeth which grow twice are

Options

(a) 8
(b) 14
(c) 12
(d) 20

Correct Answer:

20

Explanation:

The number of milk teeth which are replacable for the 2nd time is 20. In adult human, total number of teeth is 32. Therefore, the teeth that grow only once in the life of a man is 32-20 or 12.

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Topics: Human Digestion and Breathing (167)
Subject: Biology (4253)

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