Which of the following statements is incorrect regarding erythrocytes?

At what temperature is blood stored in bottles (in $^{\circ}C$)?

The second pregnancy of a woman terminates due to anaemia of the foetus. She has never had a blood transfusion. On the basis of this, which of the following is correct?

Properties of leucocytes are:
$I$. They are nucleated.
$II$. They are denucleated like $RBC$.
$III$. They are $6000-8000 \; mm^{-3}$ of blood.
$IV$. They are long-lived.
$V$. They are short-lived.
Choose the appropriate option with correct properties.

How many statements is/are incorrect?
$(A)$ Blood is a special epithelial tissue
$(B)$ Albumins are needed for clotting
$(C)$ Plasma with the clotting factors is called serum
$(D)$ Plasma is a straw coloured, viscous fluid

Lymphocytes are: