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Assertion Fluoride is not necessary for ...

Assertion Fluoride is not necessary for human health.
Reason Knock-knee disease is due to excess consumption of fluoride.

A

Both Assertion and Reason are true, but Reason is the correct explanation of Assertion

B

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion

C

Assertion is true, but Reason is false

D

Assertion is false, but Reason is true

Text Solution

Verified by Experts

The correct Answer is:
D
Fluoride is necessary for the proper growth of human teeth. But excess consumption of fluoride causes knock-knee disease, in which pain in bones and joints and outward bending of legs from the knees takes place.
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