Which one of the following statements regarding haemoglobin is correct?

Which of the following statements is NOT correct about haemoglobin?

With reference to the blood in a normal person, which one of the following statements is correct?

Which one of the following forms an irreversible complex with a hemoglobin of the blood?

Consider the following statements about haemoglobin: 1. It carries oxygen in the blood. 2. It is iron-containing compound. 3. It provides a immunity against certain diseases. 4. It imparts a red colo…

Which among the following help in circulation of blood?