Q.(a) Explain what is meant by the term amniocentesis. How is this technique misused in India ?
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🔒 Start your 14-day free trial to unlock the full solution →Part (a)Concept understanding — Sex Determination Ethics
Sex Determination Ethics: A First Look
Imagine a family waiting for a baby. Relatives whisper, "Hope it's a boy" or "Thank God it's a girl." That casual reaction carries a heavy ethical weight. Sex determination ethics is the study of the moral questions surrounding the practice of choosing or knowing the sex of a child before birth, and the social consequences that follow.
The Core Idea
At its simplest, sex determination ethics examines whether it is morally right to use medical technology to find out whether an unborn baby is male or female, and then to act on that information — especially by aborting a fetus of the "unwanted" sex. The ethical problem is not about the technology itself (ultrasound, amniocentesis), but about what people do with that knowledge.
The NCERT textbook for Class 12 (Biology, Chapter 4: Reproductive Health) states this clearly: "Amniocentesis — a technique to determine the sex of the unborn child — is being misused to kill the female foetuses." The textbook calls this a "severe" misuse and links it directly to the declining child sex ratio in India.
Why Does This Become an Ethical Issue?
Three things make sex determination an ethical problem, not just a medical one:
- Discrimination against females. The practice is overwhelmingly used to abort female fetuses. This treats being female as a defect or a burden, which is a form of gender-based violence before birth.
- Social imbalance. When many more boys are born than girls, society faces a shortage of women. This leads to forced marriages, trafficking, and increased violence against women. The NCERT notes that the child sex ratio in India has dropped alarmingly — from 945 females per 1000 males in 1991 to 919 in 2011.
- Violation of the child's right to exist. The fetus is not given a chance to live simply because of its sex. This raises deep questions about equality and the value of every human life.
The Indian government made sex determination illegal under the Pre-Conception and Pre-Natal Diagnostic Techniques (PCPNDT) Act, 1994. This law bans doctors from telling parents the sex of the fetus, and bans any advertisement or test done solely for sex selection. Violation can lead to imprisonment and heavy fines.
The Everyday Intuition
Think of it this way: if you were told that your school would only admit boys next year, you would immediately see that as unfair. Sex determination ethics extends that same intuition to the womb. It asks: Is it fair to decide that a girl should not be born, simply because she is a girl?
The answer, from an ethical standpoint, is no. Every child — boy or girl — has equal moral worth. Using technology to eliminate an entire sex is a form of systematic discrimination that harms individuals and destabilises society.
Why It Matters for a Commerce/Humanities Student
You might think this is a "science topic," but it is deeply connected to what you study:
- Economics: A skewed sex ratio affects labour markets, marriage markets, and long-term economic growth. Fewer women mean fewer workers, consumers, and entrepreneurs.
- Political Science: Laws like the PCPNDT Act are examples of the state intervening to protect fundamental rights (right to life, right to equality). You can analyse how effective such laws are.
- Sociology: Sex determination reflects deep-rooted patriarchy, son preference, and dowry practices. It is a case study in how social norms shape — and are shaped by — technology.
- Ethics (if you study it): This is a classic dilemma: individual choice (parents wanting a son) versus social good (gender balance). Where do you draw the line?
A Few Key Points to Remember …
Part (b)Concept understanding — STD Prevention Methods
STD Prevention Methods — A First Look
Think of your body like a house. You lock the doors and windows to keep out unwanted visitors. Sexually Transmitted Diseases (STDs) are infections that can enter the body through sexual contact — and prevention is about building those "locks" before any risk arises.
What Are STDs and Why Prevention Matters
STDs (also called STIs — Sexually Transmitted Infections) are infections passed from one person to another during sexual activity. They include diseases like HIV, syphilis, gonorrhoea, herpes, and hepatitis B. Some can be cured with treatment; others, like HIV, cannot be cured but can be managed. The key point: prevention is far better than cure, because many STDs can cause long-term health problems — infertility, organ damage, or even death — and some can be passed from a mother to her baby during pregnancy or childbirth.
The NCERT textbook emphasises that prevention is the most effective strategy against STDs. Once infected, some diseases have no complete cure, and treatment can be expensive, painful, or lifelong.
The Core Prevention Methods
The NCERT approach groups prevention into three broad categories: behavioural, mechanical, and medical. Let's look at each.
1. Behavioural Prevention — The First Line of Defence
This is about choices you make before any sexual contact occurs. It is the simplest and most reliable method.
- Abstinence: Not having sexual intercourse at all. This is the only 100% guaranteed way to avoid STDs. For young people, delaying sexual activity is strongly recommended.
- Mutual monogamy: Having a sexual relationship with only one partner, who is also faithful to you, and both of you have been tested and are free of STDs.
- Avoiding high-risk behaviour: Not having multiple partners, not using alcohol or drugs before sex (which can impair judgment), and avoiding sex with people whose health status you do not know.
Behavioural methods require awareness and self-discipline. They cost nothing but demand personal responsibility.
2. Mechanical Prevention — Physical Barriers
These are devices that physically block the transfer of body fluids (semen, vaginal fluid, blood) between partners.
- Condoms (male and female): A thin latex or polyurethane sheath worn over the penis (male condom) or inside the vagina (female condom). When used correctly every time, condoms are highly effective against most STDs, including HIV.
- Dental dams: A square sheet of latex used during oral sex to prevent direct contact.
Condoms are not 100% effective — they can break or be used incorrectly. Also, they do not protect against infections spread by skin-to-skin contact in areas not covered by the condom (like herpes or genital warts). But they remain the best available barrier method.
3. Medical Prevention — Vaccines and Treatment
- Vaccination: Safe and effective vaccines exist for Hepatitis B and Human Papillomavirus (HPV) — which causes cervical cancer and genital warts. The NCERT recommends that adolescents receive these vaccines before becoming sexually active.
- Regular testing and early treatment: If you are sexually active, getting tested regularly (even without symptoms) helps catch infections early. Many STDs have no visible symptoms. Early treatment can cure some infections and prevent complications. …
Part (a)
Amniocentesis is a prenatal diagnostic technique in which a small sample of amniotic fluid surrounding the foetus is withdrawn (through a needle passed into the uterus). The foetal cells and chemicals in the fluid are analysed to detect chromosomal abnormalities and metabolic/genetic disorders (e.g. Down's syndrome, haemophilia) before birth. …
Part (a): amniocentesis = withdrawing amniotic fluid to diagnose foetal genetic disorders; misused in India for illegal sex determination and female foeticide. Part (b): two female VDs are gonorrhoea and syphilis; untreated they cause PID and infertility.
Part (a)
What amniocentesis is. Amniocentesis is a prenatal diagnostic procedure performed usually between the 14th-16th week of pregnancy. A fine needle is inserted through the mother's abdominal and uterine wall into the amniotic sac and a small volume of amniotic fluid is withdrawn. This fluid carries sloughed-off foetal cells and dissolved chemicals. Culturing and analysing these cells allows the karyotype (chromosome number and structure) and various metabolic markers to be studied, so disorders such as Down's syndrome, haemophilia, sickle-cell anaemia and certain enzyme deficiencies can be detected before birth. Used properly it is a valuable tool that lets parents and doctors prepare for a genetic condition.
How it is misused in India. The same chromosomal analysis that detects abnormalities also reveals the sex chromosomes (XX or XY), i.e. whether the foetus is female or male. In a society with a strong preference for a male child, this has been exploited to determine the sex of the foetus and then abort it if it is female. This female foeticide has produced a dangerously skewed child sex ratio in several states. …
Showing the 12 most recent of 29 on this concept.
- CBSE 2026Set V11 markMCQQ.Sexually transmitted infection that can be completely curable is(a) Gonorrhea(b) Hepatitis-B(c) AIDS(d) Genital herpes
›Reveal solutionSolution
Gonorrhea is bacterial and fully curable; the other three are viral and not completely curable.
Gonorrhea is caused by the bacterium Neisseria gonorrhoeae and, if detected early, is completely curable with antibiotics. Hepatitis-B, AID …
- CBSE 2026Set ANNUAL1 markMCQQ.Which of the following is not a sexually transmitted disease?(a) Gonorrhoea(b) Herpes(c) Syphilis(d) Tuberculosis
›Reveal solutionSolution
Gonorrhoea, herpes and syphilis are classic sexually transmitted diseases (STDs); tuberculosis is a respiratory bacterial infection, not an STD.
Sexually transmitted diseases (also called venereal diseases or RTIs) spread through sexual contact and include gonorrhoea and syphilis (bacterial), genital herpes (viral), as well as HIV/AIDS, genital warts and trichomoniasis. Tuberculosi …
- CBSE 2026Set ANNUAL1 markQ.Define amniocentesis.
›Reveal solutionSolution
Amniocentesis is a prenatal diagnostic technique that analyses amniotic fluid to detect genetic disorders; misuse of the test for sex determination is illegal in India.
Amniocentesis is a prenatal diagnostic technique in which a small amount of amniotic fluid surrounding the developing foetus is withdrawn and analysed. Since the fluid contains foetal cells, karyotyping/biochemical analysis of this sample can reveal foetal sex (based on the sex chromosome pattern) as well as chromosomal and certain metabolic abnormalities. Because the technique was widely misused for female foeticide (sex-selective abortion), its use for sex determination is …
- CBSE 2026Set SEM31 markMCQQ.________ is not a veneral disease.(a) Hepatitis-B(b) Malaria(c) Trichomoniasis(d) Syphilis
›Reveal solutionSolution
Hepatitis-B, Trichomoniasis and Syphilis are sexually transmitted (venereal) diseases; Malaria is transmitted by the Anopheles mosquito, so it is NOT a venereal disease.
Venereal / Sexually Transmitted Diseases (STDs) are transmitted through sexual contact — examples include syphilis (bacterial), trichomoniasis (protozoan), and hepatitis-B (viral, also blood-borne but STD-classified). Malaria is caused by Plasmodium and spreads through the bite of the female Anopheles mosquito, i.e. it is a …
- CBSE 2025Set ANNUAL1 markQ.Read the following passage carefully and answer the questions given below- Scientist invent many techniques for the benefit of man. Methods of treatment of various diseases are discovered, but man starts misusing them for his selfishness, the result of which is very dreadful. For example : Amniocentesis is a technique through which the genetic defects and condition of the foetus or the baby growing in mother's womb can be detected. But greedy humans have started using this technique to identify gender. By finding out the sex, humans destroy the unwanted fetus by abortion. Especially in human society, the birth of a girl child is looked down upon and they are identified through this method and killed in the womb itself. This is called foeticide. This is an inhumane behaviour. It is clear from this that even goodness sometimes proves to be evil.(a) What is amniocentesis?
›Reveal solutionSolution
Amniocentesis is a prenatal test that analyses the amniotic fluid to detect genetic disorders in the foetus.
Amniocentesis is a foetal-testing technique in which a small sample of the amniotic fluid surrounding the developing foetus in the mother's womb is withdrawn (usually through a needle inserted into the amniotic sac) and analysed. Since this fluid contains foetal cells and biochemical substances, the technique is based on the analysis of foetal chromosome patterns (karyotyping) and can be used to detect genetic and chromosomal abnormalities and the physiological condition of the de …
- CBSE 2025Set ANNUAL1 markQ.(b) What is foeticide?
›Reveal solutionSolution
Foeticide is the deliberate destruction of a foetus in the womb, most commonly practiced against female foetuses following illegal sex determination.
Foeticide refers to the act of destroying/killing a foetus while it is still developing inside the mother's womb, usually carried out by inducing an abortion after the sex of the unborn child has been illegally determined (misusing techniques such as amniocentesis or ultrasound). In human society, due to deep-rooted gender bias against girls, this practice is most often directed against female foetuses and is therefore called female foeticide — an inhumane and illegal act …
- CBSE 2025Set ANNUAL1 markQ.(c) What was the basic purpose of amniocentesis?
›Reveal solutionSolution
Amniocentesis was originally designed purely as a diagnostic tool for genetic disorders, not as a means of foetal sex determination.
As stated in the passage, amniocentesis is a technique through which the genetic defects and the condition of the foetus growing in the mother's womb can be detected. Its basic/original purpose was purely medical and diagnostic — to identify genetic and chromosomal abnormalities (such as Down's syndrome) or developmental problems in the foetus early in pregnancy, so that appropriate medical guidance or intervention could be provided. It was never intended to be used for determining the sex o …
- CBSE 2025Set ANNUAL1 markQ.(d) How is foeticide related to sex ratio?
›Reveal solutionSolution
Because foeticide targets female foetuses specifically, it directly reduces the number of girls born, distorting the natural sex ratio.
As described in the passage, once the sex of the foetus is illegally identified using techniques such as amniocentesis, greedy and gender-biased individuals selectively abort the foetus if it is found to be female, since the birth of a girl child is often looked down upon in human society. This repeated, widespread selective elimination of female foetuses (female foeticide) directly reduces the number of girls born relative to boys in the population, thereby disturbing and skewing the natural male-to-female sex ratio — leading to a declining/adverse sex rat …
- CBSE 2025Set F1 markMCQQ.Which of the following is a sexually transmitted disease (STD)?(a) Syphilis(b) Gonorrhoea(c) Both (A) and (B)(d) None of these
›Reveal solutionSolution
Both syphilis and gonorrhoea are sexually transmitted diseases, so the answer is Both (A) and (B).
Sexually transmitted diseases (STDs / reproductive tract infections) spread mainly through sexual contact. Bacterial STDs include:
- Syphilis (caused by Treponema pallidum),
- Gonorrhoea (caused by Neisseria gonorrhoeae). …
- CBSE 2025Set ZOOLOGY1 markMCQQ.Which of the following is the technique of determining chromosomal disorders of the developing human foetus?(i) Amniocentesis(ii) Ultrasonography(iii) CT scan(iv) X-ray
›Reveal solutionSolution
Amniocentesis draws amniotic fluid, and karyotyping of its foetal cells reveals chromosomal disorders such as Down syndrome.
Amniocentesis is a prenatal diagnostic technique in which a sample of amniotic fluid is withdrawn from the pregnant uterus. This fluid contains sloughed-off foetal cells. On culturing and karyotyping these cells, chromosomal abnormalities (e.g., trisomy 21/Down syndrome) and certain metabolic/genetic disorders can be identified.
…
- CBSE 2024Set D1 markQ.Write True or False: Syphilis is a sexually transmitted disease.
›Reveal solutionSolution
The statement is True — syphilis is indeed a sexually transmitted disease, caused by the bacterium Treponema pallidum.
Sexually transmitted diseases (STDs), also called reproductive tract infections (RTIs) or venereal diseases, are infections or diseases transmitted through sexual contact. Common examples listed in the NCERT syllabus include gonorrhoea, syphilis, genital herpes, chlamydiasis, genital warts, trichomoniasis, hepatitis-B, and HIV/AIDS.
…
- CBSE 2024Set ANNUAL1 markQ.Name one disorder that can be detected by amniocentesis.
›Reveal solutionSolution
Amniocentesis, based on analysing the chromosome pattern of foetal cells in amniotic fluid, can detect chromosomal disorders such as Down's syndrome.
Amniocentesis is a technique in which a small amount of amniotic fluid surrounding the developing foetus (containing foetal cells) is withdrawn and analysed for the karyotype of the foetus, allowing prenatal diagnosis of foetal sex as well as chromosomal and genetic disorders. Down's syndrome (trisomy of chromosome 21), along with other chromosomal aneuploidies such as Klinefelter's syndrome (XXY) and Turner's syndrome (XO), can be detected this way. B …
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