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Assertion (A): magnesium is not present ...

Assertion (A): magnesium is not present in enamel of human teeth.
Reason (R ): Magnesium is an essential elements for biological functions of human beings.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Both assertion and reason are true but reason is not correct explanation of the assertion. Enamel the hardest substance of the body is composed of fluorine not magnesium. Magnesium is an essential element as it acts as a factor of many enzymes of glycolysis and a number of other metabolic reactions dependent upon ATP.
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