Question

Who discovered first antibody and when

Answer 1

Draw the diagram of female reproductive system and match and mark the part(s): 5

i) Where block is created surgically to prevent fertilization.

ii) Where CuT is inserted?

iii) Inside which condom can be placed.

b) Why do more and more people prefer to use condoms? What is the principle behind use of condoms

Answer 2

Explanation:

First antibody was discovered by Emil von Behring along with Sitasato in 1890