Question
Biology Question on Environmental Issues
Which of the following is pollution related disorder?
A
silicosis
B
pneumonicosis
C
fluorosis
D
leprosis.
Answer
fluorosis
Explanation
Solution
Fluorides are given out during refining of materials. Fluorides cause flourosis. It is a disease which is defined by mottling of teeth, abnormal bones that are liable to fracture because flourine replaces Ca and makes the bones brittle. Fluoride pollution is a serious problem in many districts of Rajasthan, where excess of fluoride in water adversely affects the health of man.