Question

Formation of non-functional methaemoglobin causes blue-baby syndrome. This is due to

(a) excess of arsenic concentration in drinking water

(b) excess of nitrates in drinking water

(c) deficiency of iron in food

(d) increased methane content pairs of maximum in the atmosphere.

Answer 1

Correct option (b) excess of nitrates in drinking water

Explanation :

Blue baby syndrome is blood related condition fund in ** due to nitrate poisoning (poisoning limits blood' ability to ability oxygen thereby causing baby to look blue); known as metheamoglobanemia. This is a serious illness in infants which is caused when nitrate is converted into nitrite i'n the infant' body. Nitrite interferes with the oxygen carrying capacity of the child' blood (it replaces the oxygen on the red blood cells). This is an acute ** in which symptoms can develop rapidly in infants. However, in most cases, health deteriorates over a ** of days Clearly, expert medical advice should be sought immediately if these symptoms occur.