The correct answer is: (d) Nitrate pollution
Explanation:
Blue baby syndrome (methemoglobinemia) is caused by
high nitrate levels in drinking water. It interferes with oxygen transport in infants' blood.
Information Booster: • Common in rural areas with excess fertilizer use. • WHO limit for nitrate in drinking water: 50 mg/L
English
100 Questions
100 Marks
60 Mins English English35 Questions35 Marks20 Mins English English10 Questions10 Marks7 Mins EnglishConsider the following statements:
1. Plasma membrane is selective permeable
2. In a plant cell DNA is found in nucleus only
3. Ribosomes are present in both the bacteria and eukaryotic cells
4. How many of the statements given above are correct?
Suggested Test Series
Suggested Test Series
