CBSE Class 12 Biology Notes Chapter 4 Reproductive Health

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Reproductive health refers to the healthy functioning of the reproductive system in all aspects. 

  • India was the first to initiate action plans and programs at a national level to attain total reproductive health as a social goal.
  • These programs called “Family Planning” were initiated in 1951.
  • Various steps were taken by both governmental and non-governmental agencies for the successful conduction of these programs.

These programs include

  • Introduction of Sex education in schools.
  • Educating individuals about family planning methods and their benefits.
  • All printed materials were distributed to provide awareness.
  • Using audio and video presentations on Reproductive Health.
  • Complete information about reproductive organs, safe sexual practices, sexually transmitted diseases, birth control methods, etc.

CBSE Class 12 Biology Notes for Chapter 4 Reproductive Health are given in the article below for easy preparation and understanding of the concepts involved.

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Class 12 Biology Chapter 4 Notes – Reproductive Health

Population Stabilization and Birth Control

  • India's population surged after independence due to a combination of factors.
  • Death rates, especially child and maternal mortality decreased while the number of people of reproductive age increased. 
  • The RCH program offered only limited success in reducing this growth.
  • Dealing with an alarming population increase and resource limitations, the government implemented stricter measures.
  • Encouraging smaller families through various contraceptives became a priority.
  • Public awareness campaigns used slogans like "Hum Do Hamare Do" (We Two, Our Two). 
  • Additionally, the marriageable age for both men and women was increased, and incentives were offered to couples with smaller families.
  • A wide range of contraceptive methods were made available, including natural/traditional methods, IUDs, barrier methods (diaphragms, condoms), oral contraceptives, implants, surgical sterilization, and injectables.

Population Stabilization and Birth Control

Population Stabilization and Birth Control

Medical Termination of Pregnancy (MTP)

  • Medical Termination of Pregnancy (MTP) is also known as induced abortion.
  • It was legalized in India in 1971 with strict regulations to prevent misuse. 
  • It refers to the voluntary termination of a pregnancy before the fetus reaches full term.
  • MTP is generally considered safe when performed during the first trimester (the first 12 weeks) of pregnancy. 
  • However, the risks associated with the procedure increase the later the pregnancy progresses.

Medical Termination of Pregnancy (MTP)

Medical Termination of Pregnancy (MTP)

Sexually Transmitted Infections (STIs)

  • Sexually transmitted infections (STIs) are also known as reproductive tract infections (RTIs) or venereal diseases (VDs).
  • They are a group of infections or diseases passed on through sexual contact.
  • Common STIs include gonorrhea, syphilis, genital herpes, chlamydia, genital warts, trichomoniasis, hepatitis B, and HIV (which leads to AIDS). 
  • Among these, HIV infection is the most serious.

Sexually Transmitted Infections

Sexually Transmitted Infections

Infertility

  • Infertility is the state of being unable to conceive a child even after regular sexual intercourse. 
  • Various factors can contribute to infertility, including congenital (present at birth), physical, drug-related, psychological, or immunological issues.
  • To assist couples facing infertility, specialized techniques known as Assisted Reproductive Technologies (ART) have been developed. 
  • These techniques encompass procedures like In Vitro Fertilization (IVF) and Embryo Transfer (ET).

Importance of Reproductive Health

  • Reproductive health includes an in-depth understanding of the various sexually transmitted diseases (STDs).
  • This awareness helps individuals to protect themselves from infection. 
  • Additionally, it provides them with accurate information regarding sexual life, reproduction, and contraception. 
  • This knowledge allows them to make informed choices and maintain safe sexual and reproductive health practices.
  • Furthermore, reproductive health education provides important support for expecting mothers. 
  • It offers guidance on prenatal care, including proper nutrition, medication use, and maintaining good health and hygiene during pregnancy. 
  • This education also emphasizes safe delivery practices, empowering women to understand and advocate for their needs during childbirth. 
  • Ultimately, the goal is to promote a healthy pregnancy and deliver a healthy baby.

There are Some important List Of Top Biology Questions On Reproductive Health Asked In CBSE CLASS XII

CBSE CLASS XII Related Questions

  • 1.
    Assertion (A): The embryo with 8 to 16 blastomeres is called a morula.
    Reason (R): The morula continues to divide and transform into trophoblast.

      • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
      • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
      • Assertion (A) is true, but Reason (R) is false.
      • Assertion (A) is false, but Reason (R) is true.

    • 2.
      The foetal ejection reflex in human triggers the release of _______ hormone from _______

        • oxytocin, foetal pituitary
        • oxytocin, maternal pituitary
        • human chorionic gonadotropin, placenta
        • progesterone, corpus luteum

      • 3.
        Assertion (A): Repetitive sequences make up a very large portion of human genome.
        Reason (R): Repetitive sequences do not have direct coding functions in the genome.

          • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
          • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
          • Assertion (A) is true, but Reason (R) is false.
          • Assertion (A) is false, but Reason (R) is true.

        • 4.
          Identify the stage of follicle where primary oocyte undergoes first meiotic division. Also mention the products of this division.


            • 5.
              Assertion (A): Trichoderma species are free living fungi that are very common in the root ecosystems.
              Reason (R): They are effective bio-control agents of several plant pathogens.

                • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
                • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
                • Assertion (A) is true, but Reason (R) is false.
                • Assertion (A) is false, but Reason (R) is true.

              • 6.
                Which connective tissue connects ovary to pelvic wall and uterus?

                  • Tendons
                  • Ligaments
                  • Cartilage
                  • Bone
                CBSE CLASS XII Previous Year Papers

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