Methamoglobin is the oxidized form of Hemoglobin that can not deliver oxygen and has a Bluish colour thatimpart a Cyanotic hue to tissues. It appears when
At the time of Asphyxiation
At the time of Diving
Both a and b
In the genetic deficiency of Glucose – 6 phosphate dehydrogenase
(C) Both a and b
Explanation: