Body Fluids and Circulation Question 5
5. Erythropoiesis starts in :
[2015 RS]
(a) Liver
(b) Spleen
(c) Red bone marrow
(d) Kidney
Show Answer
Answer : c
Hints & Solutions
(c) Erythropoiesis is the process of formation of RBC. In the first month of pregnancy, yolk sac is the haemopoietic tissue. After 5 weeks, it is followed by the liver. Red bone marrow from 6 months onwards becomes the principal site of erythropoiesis.