Q. 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. Boron
D. Fluorine
Answer: Fluorine
A. Mercury
B. Chlorine
C. Boron
D. Fluorine
Answer: Fluorine
Government Schemes Mock Test | Start Test! |
Political Science Mock Test – 42 | Start Test |
History Test – 190 | Start Test |
Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
General Awareness - Mock Test | Start Test! |
Reasoning Ability - Mock Test | Start Test! |