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Question

The hardest substance of vertebrate body is

A
Keratin
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B
Enamel
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C
Dentine
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D
Chondrin
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Solution

The correct option is C Enamel
Tooth enamel is the strongest substance in the vertebrate body as it is the mineralized outer layer and thus, protects the teeth from daily wear and tear of biting and chewing, as well as temperature extremes from hot or cold foods and drinks as well as from acids and chemicals.

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