If a daughter has blood group $O$ and the father has blood group $B$,what will be the genotype of the father?

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

Biological marriage of one of the following should be avoided:

The disease resulting from prolonged clotting time due to the lack of plasma thromboplastin component $(PTC)$,which is necessary for the formation of thromboplastin,is:

The red colouring matter of blood which transports oxygen contains an element in a system of rings. The element is:

$A$ person with an unknown blood group ($ABO$ system) has lost a large amount of blood in an accident and needs an immediate blood transfusion. $A$ friend of the person has a valid certificate of their own blood group and is ready to donate blood without delay. What could be the blood group of the donor friend?