Question

Q5. The protein molecule haemoglobin, is present in the blood component : *

A) WBC

B) Blood platelet

C) Blood plasma

D) RBC

Q6. Clotting of blood, in a cut or wound is brought about by : *

A) Plasma

B) WBC

C) Platelets

D) RBC


​

Answer 1

5)

Hemoglobin, also spelled haemoglobin, iron-containing protein in the blood of many animals—in the red blood cells (erythrocytes) of vertebrates—that transports oxygen to the tissues. Hemoglobin forms an unstable reversible bond with oxygen.

6)When you get a cut or wound, your body forms blood clots, a thickened mass of blood tissue, to help stop the bleeding. Proteins in your blood called fibrins work with small blood cell fragments called platelets, to form the clot.

Answer 2

5) RBC : contains Hemoglobin

6) Plateletes : helps in blood clotting