Blood Quiz | Multiple Choice Question (MCQ)

Blood related Quiz | Blood, Composition of Blood, Functions of Blood Multiple Choice Questions (MCQs).

6. Oxygen is supplied from lungs to tissues and organs by
(A) red blood cells
(B) white blood cells
(C) plasma
(D) platelets

7. Which constituent of blood fight against infections?
(A) red blood cells
(B) white blood cells
(C) plasma
(D) platelets

8. By volume, the red blood cells constitute about _____% of whole blood.
(A) 15
(B) 25
(C) 35
(D) 45

9. Which constituent of blood helps in clotting of blood on cuts or wounds?
(A) red blood cells
(B) white blood cells
(C) plasma
(D) platelets

10. Blood cells are produced in
(A) kidney
(B) lungs
(C) bone marrow
(D) glands

ANSWERS: BLOOD QUIZ
6. (A) red blood cells
7. (B) white blood cells
8. (D) 45
9. (D) platelets
10. (C) bone marrow