environment medium MCQ

Blue Baby Syndrome (Methemoglobinemia) in infants is primarily caused by the contamination of drinking water with:

  1. Chlorides
  2. Nitrates
  3. Fluorides
  4. Sulphates

Answer: Nitrates

Excess nitrates in drinking water are converted to nitrites in the infant's body, which bind to hemoglobin, reducing its oxygen-carrying capacity.

Topic Environmental Pollution
Exam Relevance UPSC, SSC
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