Q. The 'blue baby' syndrome results from :

A) excess of chloride
B) methaemoglobin
C) excess of dissolved oxygen
D) excess of TDS (Total Dissolved Solids)
Explanation

[Solution from source] Excess nitrate in drinking water is converted to nitrite, which oxidises haemoglobin to methaemoglobin that cannot carry oxygen, turning infants bluish ('blue baby' syndrome). Excess chloride or dissolved solids do not cause this condition. Answer (2).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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