Question 4 - MCQ Questions (1 Mark) - Chapter 5 Class 10 Geography - Minerals and Energy Resources - Geography

Last updated at August 14, 2026 by

Which of the following mineral is used to reduce cavities in teeth?

(A) Limestone

(B) Silica

(C) Fluoride

(D) Mica

 

Answer :

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So, The correct answer is (c) : Fluoride.

Explanation :

Fluoride helps with the  demineralization of tooth enamel, which is a key  factor in fighting off tooth and gums decay. 

Let’s check other options :

  • Option (A) Limestone - is an abrasive mineral that does cleaning. So,it is incorrect.
  • Option (B) Silica -  is an abrasive mineral that does cleaning. So,it is incorrect.
  • Option (C) Fluoride - helps with the  demineralization of tooth enamel. So, it is correct.
  • Option (D) Mica is responsible for sparkle in the toothpaste. So,it is incorrect.

 

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