Select the incorrect statement with reference to Rh grouping.

A. Erythroblastosis foetalis is a condition observed having foetus with $\mathrm{Rh}^{-\mathrm{ve}}$ blood and mother with $\mathrm{Rh}^{+\mathrm{ve}}$ blood.

B. Rh antigen is observed on RBCs in the majority of human beings.

C. Before blood transfusion, Rh group should also be matched.

D. Rh incompatibility is observed when a pregnant mother is $\mathrm{Rh}^{-\mathrm{ve}}$ and the foetus is $\mathrm{Rh}^{+\mathrm{ve}}$.

E. Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother immediately after the delivery of the second child.

Choose the answer from the options given below :

What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog?

A person with blood group ARh– can receive the blood transfusion from which of the following types?

A. BRh$$^–$$

B. ABRh$$^–$$

C. ORh$$^–$$

D. ARh$$^–$$

E. ARh$$^+$$

Choose the correct answer from the options given below :

Diuresis is prevented by: