Which of the following blood corpuscles are least in number,in human beings?

Select the $CORRECT$ match:

Column-$I$	Column-$II$	Column-$III$
$i$. Monocyte	$d$. Kidney shaped nucleus	$n$. Phagocytic
$ii$. Lymphocyte	$a$. Large round nucleus	$o$. Produce antibodies
$iii$. Basophil	$b$. Twisted nucleus	$m$. Release heparin
$iv$. Eosinophil	$c$. Bilobed nucleus	$l$. Antihistamine property

Erythroblastosis foetalis can be prevented in subsequent pregnancies of $Rh^+$ husband and $Rh^-$ wife by:

State the percentage of water and proteins in blood plasma.
Water $\quad$ Proteins

Mature human $RBCs$ are enucleated. Which of the following is the most appropriate explanation for this?
$(i)$ They do not need to reproduce.
$(ii)$ They are somatic cells.
$(iii)$ They do not perform metabolism.
$(iv)$ Their internal space is available for $O_2$ transport.

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