Multiple choice In the case of a test tube baby Fertilization takes place inside the test tube Development of the baby takes place inside the test tube Fertilization takes place outside the mother's body Unfertilized egg develops inside the test tube Reveal answer Fill a bubble to check yourself C Correct answer Explanation In In-Vitro Fertilization (IVF), commonly known as the test-tube baby process, the fertilization of the egg by the sperm occurs outside the mother's body in a laboratory setting before the embryo is implanted.