Ravi visited a blood donation camp in a village. In spite of a syringe being available in the camp, he purchased a new syringe from a chemist. There he saw the doctor sterilising the syringe before it is being administered to other people. In the camp, he also came to know that he is a universal donor.
(i) He took that precaution against an infectious disease/s. Identify it/them.
(ii) Why did the doctor sterilize the syringe?
(iii) What is the blood group of Ravi?

Options

A. (i)-AIDS, (ii)- to avoid infections, (iii)—O-
B. (i)-AIDS, (ii)-to avoid infections,(iii)-AB+
C. (i)-plague,(ii)-to avoid infections,(iii)-AB+
D. (i)-hepatitis, (ii) -to avoid infections, (iii)-O+

Answer

A