Class 12 Biology - BIHAR
Reproductive Health
The chapter 'Reproductive Health' in Class 12 Biology focuses on the total well-being of reproduction, covering physical, emotional, social, and behavioral aspects. Students learn about significant health problems related to reproduction, strategies for population control, contraceptive methods, medical termination of pregnancy (MTP), amniocentesis, and sexually transmitted infections (STIs). Additionally, the chapter explores infertility and Assisted Reproductive Technologies (ART) like IVF, ZIFT, and GIFT. This is a high-yield chapter for the Bihar Board (BSEB) examinations, frequently appearing in both objective and subjective sections, making it crucial for scoring high marks.
Start Learning FreeKey Concepts
Reproductive Health - Problems and Strategies
Refers to a total well-being in all aspects of reproduction, supported in India by national programs like RCH to create awareness and prevent population explosion.
Population Explosion and Birth Control
Rapid population growth strains natural resources. Birth control methods (natural, barrier, IUDs, oral pills, injectables, and surgical methods) are used to regulate family size.
Medical Termination of Pregnancy (MTP)
Intentional or voluntary termination of pregnancy before full term, legalized in India under strict conditions to avoid illegal and unsafe abortions.
Sexually Transmitted Infections (STIs)
Infections transmitted through sexual intercourse, such as Gonorrhoea, Syphilis, Genital herpes, and AIDS, which can be prevented by avoiding unsafe practices.
Infertility and ART
Inability to produce children despite unprotected sexual cohabitation. Assisted Reproductive Technologies like IVF-ET, GIFT, and ICSI help infertile couples have children.
Important Formulas
Board Exam Info
In the Bihar Board (BSEB) Class 12 Biology exam, this chapter typically carries around 4 to 6 marks. Questions usually include objective (multiple choice) questions, short-answer questions defining terms like MTP or amniocentesis, and long-answer questions explaining various contraceptive methods or Assisted Reproductive Technologies (ART).
Frequently Asked Questions
What is the full form of IUD and give examples?
IUD stands for Intrauterine Device. Examples include Lippes loop, Copper-T (CuT), Cu7, and hormone-releasing IUDs like LNG-20.
Why is amniocentesis banned in India?
Amniocentesis is banned to prevent female foeticide, as it was widely misused for illegal sex determination of the foetus.
What is the difference between ZIFT and GIFT?
In ZIFT (Zygote Intra Fallopian Transfer), the zygote up to the 8-blomere stage is transferred into the fallopian tube. In GIFT (Gamete Intra Fallopian Transfer), unfertilized oocytes and sperm are transferred directly into the fallopian tube of a female who cannot produce them.
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