Q80
What is a major concern regarding groundwater contamination by nitrates?
A.
Toxicity to aquatic plants
B.
Cause of methemoglobinemia in infants
AnswerC.
Increased soil fertility
D.
Increased water hardness
Answer: Option B
Solution
Answer: Option B
Solution:
Nitrate contamination in groundwater can cause methemoglobinemia or �blue baby syndrome� in infants.This condition reduces oxygen carrying capacity of blood.