Mark the odd one out.

$A$ person with $AB$ blood group is called a universal recipient because .....

$A -$ Fibrinogen is needed for the clotting of blood,and globulins are involved in defense mechanisms of the body.
$R -$ Factors for the coagulation of blood are present in the blood in an inactive form.

Which of the following is used during the process of blood clotting?

Properties of human $RBCs$ are:
$I.$ Devoid of nucleus
$II.$ Formed in bone marrow
$III.$ Possess healing properties
$IV.$ Biconcave in shape
$V.$ Help in blood clotting
Choose the option with correct properties.

The $WBC$ count of a person's blood sample is $8000/cu.mm$. How many eosinophils and lymphocytes would be in the same blood sample approximately?