Removal of vas deferens surgically is called:

Vasectomy

The correct answer is Option (2) → Vasectomy

Surgical methods, also called sterilisation, are generally advised for the male/female partner as a terminal method to prevent any more pregnancies. Surgical intervention blocks gamete transport and thereby prevent conception.

Sterilization methods, such as tubal ligation (for females) or vasectomy (for males), are considered highly effective in preventing pregnancy. Once performed, these methods offer a high level of permanence and have a very low failure rate. They are typically regarded as long-term or permanent contraceptive methods and do not require ongoing maintenance or use of devices or substances, making them reliable and convenient for many individuals seeking a long-term solution for birth control.

Surgical intervention blocks gamete transport and thereby prevent conception. In vasectomy, a small part of the vas deferens is removed or tied up through a small incision on the scrotum whereas in tubectomy, a small part of the fallopian tube is removed or tied up through a small incision in the abdomen or through vagina. These techniques are highly effective but their reversibility is very poor.