NEET Zoology Digestion and Absorption Questions Solved

A dental disease characterised by moltting of teeth is due to the presence of a certain chemical element in drinking water. Which of the following is that element? 

(a) Mercury

(b) Chlorine

(c) Fluorine

(d) Boron

Audio Explanation:

(c) Increased amount of fluorine in drinking water causes fluorosis, responsible for motling of teeth.

Difficulty Level:

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