Test tube baby is produced by :
Ans. is b i.e. Sperm and ovum are feilized in test tube and implanted "In vitro feilization is a medical technique in which a woman's egg is placed with her husband's sperm in a laboratory environment to promote feilization. The result is so called test-tube baby."
Sperm and ovum are directly implanted into fallopian tube
Sperm and ovum are feilized in test tube and implanted
Fetus is grown in test tube
Only sperm is transferred