Which blood cells exhibit phagocytosis?

Vascular tissue or fluid tissue is made up of

Which of the following give rise to macrophages?

In the $ABO$ system of blood grouping,blood transfusion is not possible from:

Which of the following statements are correct regarding thrombocytes?
$I$ - Also known as blood platelets.
$II$ - They are cell fragments.
$III$ - Produced from megakaryocytes.
$IV$ - Their count in a normal individual ranges from $3,50,000$ to $6,00,000$ per $mm^3$.
$V$ - Involved in the process of blood coagulation.

What is the normal albumin/globulin ratio in human blood?