Category: Biology Second Paper

The fallopian tubes or fallopian tubes of both ovaries are cut and tied. It cannot be penetrated by sperm and fertilization does not occur.

The vas deferens of both the male testicles are cut and tied. It cannot release sperm and fertilization does not occur.

Permanent method of contraception is called sterilisation. Male sterilization is vasectomy and female sterilization is tubectomy.
(i) Vasectomy: The vas deferens of both the male testicles are cut and tied. It cannot release sperm and fertilization does not occur.
(ii) Tubectomy or Ligation: The fallopian tubes or fallopian tubes of both ovaries are cut and tied. It cannot be penetrated by sperm and fertilization does not occur.

It is a small T-shaped device made of metal which is placed in the uterus. It prevents the union of sperm and egg.

It is a small and flexible device which is placed in the vagina. It secretes estrogen hormone which prevents pregnancy.

An implant is a thin rod like a small wall stick containing progesterone hormone. It secretes hormones when placed in women’s arms that prevent pregnancy.

(i) Implant: An implant is a thin rod like a small wall stick containing progesterone hormone. It secretes hormones when placed in women’s arms that prevent pregnancy.
(ii) Ring: It is a small and flexible device which is placed in the vagina. It secretes estrogen hormone which prevents pregnancy.
(iii) Intrauterine Device-IUD: It is a small T-shaped device made of metal which is placed in the uterus. It prevents the union of sperm and egg.

Birth control injection contains progesterone hormone. It’s called Depo-Provera. It prevents egg production for several months.
Birth control Abortion : Birth control can be done by aborting the 2-3 months fetus by operation or chemical application.

A sponge is a sponge-like structure made of soft plastic. It is placed in the vagina before intercourse. It contains spermicidal chemicals that kill sperm.
Birth control Spermicide: Spermicide is a semi-liquid chemical substance like paste. It is placed in the vagina before intercourse. It kills sperm before fertilization.

Diaphragm is a cup shaped structure made of soft silicone. It is placed on the cervix of the uterus before intercourse. It prevents fertilization of sperm and eggs and helps prevent sexually transmitted diseases.