Question

Match List I with List II.**List I Pollutant **	List II Disease/ sickness
A. Sulphate (> 500 ppm)	I. Methemoglobinemia
B. Nitrate (> 50 ppm)	II. Brown mottling of teeth
C. Lead (> 50 ppb)	III. Laxative effect
D. Fluoride (> 2ppm)	IV. Kidney damage
Choose the coned answer from the options given below:

• A. A-IV, B-I, C-II, D-III
• B. A-III, B-I, C-IV, D-II
• C. A-II, B-IV, C-I, D-III
• D. A-II, B-IV, C-III, D-I

Answer 1

Answer: (B)

A-III, B-I, C-IV, D-II

Answer 2

The correct match of pollutants and disease because of the excess of these pollutants are:
$Sulphate → Laxative \;effect$
$Nitrate → Methemoglobinemia$
$Lead → Kidney \;damage$
$Fluoride → Brown \;mottling\; of \;teeth$

The correct answer is (B): $A-III, B-I, C-IV, D-II$