Test-tube baby means a baby born when

Options

A. It develops from a non-fertilized egg
B. It developed in a test tube
C. It is developed through tissue culture method
D. The ovum is fertilised externally and thereafter implanted in the uterus

Answer

D

Explanation

The technique of in – vitro fertilisation and in – vitro development followed by the embryo transfers in the uterus of the normal female to start the development and finally leading to normal birth is called test tube baby.