Moderate
Fluorosis is caused due to the presence of excessive amount of ______________ in drinking water?
Correct answer: C. Fluoride
- A. Mercury
- B. Lead
- C. Fluoride
- D. Arsenic
Explanation
Fluorosis results from long-term intake of excessive fluoride, producing mottling of teeth and, at higher exposure, skeletal damage. Mercury, lead and arsenic cause different forms of poisoning.
Written and checked by Zahid Hussain, MS Computer ScienceLast updated
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