What is the hematocrit a ratio of?

Find out the wrong match.

Examination of blood of a person suspected of having anaemia shows large,immature,nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms?

Arrange the following formed elements in the decreasing order of their abundance in blood in humans :
$(a)$ Platelets
$(b)$ Neutrophils
$(c)$ Erythrocytes
$(d)$ Eosinophils
$(e)$ Monocytes
Choose the most appropriate answer from the options given below :

In adults,erythropoiesis occurs in

Which of the following is not a plasma protein?