Reproductive Health
Tamil Nadu Board · Class 12 · Zoology
Flashcards for Reproductive Health — Tamil Nadu Board Class 12 Zoology. Quick Q&A cards covering key concepts, definitions, and formulas.
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See them allWhat is reproductive health and why is it important for a society?
Answer
Reproductive health refers to a state of complete physical, mental, and social well-being in all matters related to reproduction. It is important because: (1) Healthy people with healthy reproductive …
Define amniocentesis and explain why it has been statutorily banned in India.
Answer
Amniocentesis is a prenatal diagnostic technique that involves taking a small sample of amniotic fluid surrounding the fetus to detect chromosomal abnormalities. It is statutorily banned in India beca…
What is the sex ratio in India, and what are female foeticide and infanticide?
Answer
Sex ratio is the number of females per 1,000 males in a population. In India, the child sex ratio has declined from 927 to 919 females per 1,000 males over decades. Female foeticide is the intentional…
Explain population explosion and the government's approach to control population growth in India.
Answer
Population explosion refers to rapid, uncontrolled growth of population due to increased health facilities and better living conditions, which enhance longevity but increase birth rates. India's popul…
What is birth control and what are the characteristics of an ideal contraceptive?
Answer
Birth control is the voluntary use of contraceptive procedures to prevent fertilization or prevent implantation of a fertilized egg in the uterus. Characteristics of an ideal contraceptive include: (1…
Describe the rhythm method (periodic abstinence) and explain its scientific basis.
Answer
The rhythm method (periodic abstinence) is a natural contraceptive method based on avoiding sexual intercourse during the fertile period of a woman's menstrual cycle. Scientific basis: (1) Ovulation t…
What is lactational amenorrhoea and how does it function as a natural contraceptive?
Answer
Lactational amenorrhoea is the delay or absence of menstrual cycles during breastfeeding. It functions as a natural contraceptive through the following mechanism: (1) Suckling by the baby stimulates t…
Compare barrier methods of contraception: mechanical and chemical barriers.
Answer
Barrier methods prevent sperm from reaching and fertilizing the ovum by creating physical or chemical obstacles. Mechanical Barriers: (1) Condoms - thin sheath covering penis (male) or vagina/cervix (…
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