Question:
High concentration of nitrates (\(\gt 45\ \mathrm{mg/L}\)) in drinking water causes
High concentration of nitrates (\(\gt 45\ \mathrm{mg/L}\)) in drinking water causes
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Important water-quality diseases:
\[
\boxed{
\begin{aligned}
\text{Nitrate} &\rightarrow \text{Methemoglobinemia}\\
\text{Fluoride} &\rightarrow \text{Fluorosis}\\
\text{Mercury} &\rightarrow \text{Minamata disease}
\end{aligned}
}
\]
Updated On: Jul 23, 2026
- Rickets
- Skeletal fluorosis
- Minamata disease
- Methemoglobinemia
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Excess nitrate in drinking water is converted into nitrite in the human body.
Nitrite reduces the oxygen-carrying capacity of blood, leading to methemoglobinemia (``blue baby syndrome''), especially in infants.
Hence,
\[
\boxed{\text{Methemoglobinemia}}
\]
is the correct answer.
Therefore,
\[
\boxed{(D)}
\]
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