Question

Multiple Choice Questions
Formation of nonfunctional methaemoglobin causes blue baby syndrome. This is due to

• A. excess of arsenic in drinking water
• B. deficiency of iron in food
• C. increased methane content in atmosphere
• D. excess of nitrate in drinking water.

Answer 1

The correct option is D excess of nitrate in drinking water.

• Excess of arsenic causes diarrhea, peripheral neuritis etc.
• Deficiency of iron in food causes anemia.
• Increased Methane content causes inspirational disorders and hypoxia.
• Excess of nitrates in drinking water causes blue baby syndrome due to conversion of ferrous forms of Hb into ferric form (methemoglobin).

So, the correct answer is excess of nitrates in drinking water.