Question

82. Hemoglobin is a
(a) Reproductive pigment
(b) Respiratory pigment
(c) Carbohydrate
(d) Fat​

Answer 1

(b) Respiratory pigment

Answer 2

The correct option about haemoglobin is an option (b) respiratory pigment.

• Haemoglobin is used for the transport of oxygen from the lungs to the other body parts via blood.
• Oxygen binds with haemoglobin to form haemoglobin.
• From tissues, carbon dioxide is removed from the blood by binding with haemoglobin.
• The deoxygenated blood thus formed is transported to the lungs and the pressure gradient thus generated causes carbon dioxide release and oxygen binding.
• Haemoglobin has an iron centre.
• The red colour of blood is due to the presence of haemoglobin.