GSEB Class 12 Biology Solutions Chapter 4 Reproductive Health

Question 1. What do you think is the significance of reproductive health in a society?

Answer: Reproductive health encompasses comprehensive well-being across all dimensions of reproduction, including physical, emotional, behavioral, and social aspects. A community comprising individuals with physically and functionally healthy reproductive organs is crucial not only for the current population but also for ensuring the health and continuation of future generations.In simple words: Reproductive health means being healthy in all ways related to reproduction: physically, emotionally, socially, and behaviorally. It's important for current society and for healthy future generations.

🎯 Exam Tip: This question evaluates your understanding of the broad definition and societal importance of reproductive health, emphasizing its multi-faceted nature.

 

Question 2. Suggest aspects of reproductive health which need to be given special attention in the present scenario.

Answer: Key aspects of reproductive health requiring particular focus in the current climate include:
- Sex education
- Information on family welfare
- Access to reproductive health clinics
- Encouraging elders to offer guidance and support to children.In simple words: In today's world, we need to focus on sex education, family planning information, special clinics for reproductive health, and encouraging adults to guide children.

🎯 Exam Tip: Listing specific, actionable areas demonstrates a practical understanding of current reproductive health challenges and solutions.

 

Question 3. Is sex education necessary in schools? Why?

Answer: Yes, sex education is essential in schools. It equips students with knowledge to comprehend issues such as uncontrolled population increase, societal problems like sexual abuse, and sex-related offenses. This understanding empowers students to consider and implement necessary preventative measures, thus contributing to the development of a socially responsible and healthy community.In simple words: Sex education in schools is vital because it teaches students about population growth, sexual abuse, and related crimes, helping them prevent these issues and become responsible citizens.

🎯 Exam Tip: Justifying the necessity of sex education with specific reasons like population control and social awareness fetches higher marks.

 

Question 4. Do you think that reproductive health in our country has improved in the past 50 years? If yes, mention such areas of improvement.

Answer: Indeed, our nation has witnessed improvements in reproductive health over the past five decades. These advancements are evident in several areas:
- A decrease in both Maternal Mortality Rate (MMR) and Infant Mortality Rate (IMR).
- A reduction in the overall birth rate.
- A noticeable decline in the incidence of Sexually Transmitted Diseases (STDs) across India.
- An increased rate of couple protection through family planning initiatives.In simple words: Yes, reproductive health in India has improved significantly over 50 years, shown by lower maternal and infant deaths, fewer births, reduced STDs, and more couples using family planning.

🎯 Exam Tip: Citing specific demographic and health indicators like MMR, IMR, and STD decline strengthens your answer about national improvements.

 

Question 5. What are the suggested reasons for the population explosion?

Answer: The primary factors contributing to the population explosion include a swift reduction in the overall death rate, alongside significant decreases in the maternal mortality rate (MMR) and the infant mortality rate (IMR).In simple words: The population explosion is mainly due to a sharp drop in death rates, maternal deaths, and infant deaths.

🎯 Exam Tip: Focus on the key mortality rate reductions as the direct causes of population growth for a concise answer.

 

Question 6. Is the use of contraceptives justified? Give reasons.

Answer: Yes, the use of contraceptives is justified for several reasons:
- They contribute to slowing down population growth.
- They facilitate appropriate spacing between children.
- They aid in preventing Sexually Transmitted Diseases (STDs) and their transmission.
- They enable couples to maintain a healthy reproductive lifestyle.In simple words: Contraceptives are justified because they help control population, allow for proper child spacing, prevent STDs, and promote a healthy reproductive life for couples.

🎯 Exam Tip: Providing multiple distinct reasons, from population control to personal health benefits, demonstrates a comprehensive understanding.

 

Question 7. Removal of gonads cannot be considered as a contraceptive option. Why?

Answer: Removing gonads is not considered a viable contraceptive method. Contraception specifically refers to preventing pregnancy using various available methods. Since numerous less invasive options exist for pregnancy prevention, gonad removal, which has permanent and widespread hormonal implications, is not deemed an appropriate contraceptive choice.In simple words: Removing gonads is not a good contraceptive option because contraception is about preventing pregnancy, and there are many other, less drastic methods available.

🎯 Exam Tip: Clearly defining contraception and highlighting the availability of other methods is key to explaining why gonad removal is unsuitable.

 

Question 8. Amniocentesis for sex determination is banned in our country. Is this ban necessary? Comment.

Answer: Amniocentesis, a procedure for determining fetal sex, is prohibited in India, and this ban is indeed necessary. Historically, due to prevailing ethical and cultural factors, female fetuses have sometimes been aborted by certain families, leading to a skewed sex ratio in the country. To preserve a balanced sex ratio and avert potential social issues in subsequent generations, this particular test has been legally banned in India.In simple words: The ban on amniocentesis for sex determination in India is necessary. This is because some families would abort female fetuses, causing an unbalanced sex ratio and future social problems.

🎯 Exam Tip: Emphasize the ethical concerns, societal impact (skewed sex ratio), and long-term social problems to justify the ban effectively.

 

Question 9. Suggest some methods to assist infertile couples to have children.

Answer: Infertile couples can be supported in conceiving children through specialized procedures collectively known as Assisted Reproductive Technologies (ART). These techniques include:
- In Vitro Fertilisation (IVF)
- Zygote Intra-Fallopian Tube Transfer (ZIFT)
- Gamete Intra-Fallopian Transfer (GIFT)
- Intra-Cytoplasmic Sperm Injection (ICSI)
- Artificial Insemination (AI)
- Intra-Uterine Insemination (IUI).In simple words: Infertile couples can have children using assisted reproductive technologies (ART) like IVF, ZIFT, GIFT, ICSI, AI, and IUI, which are special methods to help with conception.

🎯 Exam Tip: Listing a range of specific ART methods accurately showcases your knowledge of infertility treatments.

 

Question 10. What are the measures one has to take to prevent contracting STDs?

Answer: To prevent the contraction of Sexually Transmitted Diseases (STDs), individuals should adopt straightforward precautions. These include refraining from sexual intercourse with unknown or multiple partners and consistently using condoms during coitus.In simple words: To avoid STDs, one should not have sex with unknown or multiple partners and always use condoms during intercourse.

🎯 Exam Tip: Focus on practical and direct preventive measures, such as limiting partners and using barrier methods.

 

Question 11. State True/False with explanation
a. Abortions could happen spontaneously too. (True/False)
b. Infertility is defined as the inability to produce viable offspring and is always due to abnormalities/defects in the female partner. (True/False)
c. Complete lactation could help as a natural method of contraception. (True/False)
d. Creating awareness about sex-related aspects is an effective method to improve the reproductive health of the people. (True/False)

Answer:
a. True
b. False - Infertility can stem from issues in either the male or female partner, or both.
c. True
d. TrueIn simple words: Spontaneous abortions can occur (True). Infertility can affect both male and female partners, not just females (False). Complete breastfeeding can be a natural birth control method (True). Raising awareness about sex-related topics helps improve reproductive health (True).

🎯 Exam Tip: For True/False questions with explanation, accurately identify the statement's truth value and provide a concise, correct reason for "False" statements.

 

Question 12. Correct the following statements:
1. Surgical methods of contraception prevent gamete formation.
2. All STDs are completely curable.
3. Oral pills are very popular contraceptives among rural women.
4. In E.T techniques, embryos are always transferred into the uterus.

Answer:
1. Surgical contraceptive methods prevent gamete fusion, not gamete formation.
2. Not all Sexually Transmitted Diseases (STDs) are completely curable.
3. Oral contraceptive pills are popular among women, primarily in urban areas, rather than rural women.
4. In Embryo Transfer (ET) techniques, embryos are transferred when they are more than eight cells, or as a zygote or early embryo.In simple words: Surgical contraception stops gamete *fusion*, not formation. Not all STDs are curable. Oral pills are mostly popular with *urban* women. In ET, embryos are transferred when they are *more than eight-celled*, or as zygotes or early embryos.

🎯 Exam Tip: When correcting statements, precisely identify the incorrect part and replace it with the accurate biological concept or factual detail.

GSEB Class 12 Biology Reproductive Health Additional Important Questions and Answers

 

Question 1. Match the items in column A with those of column B.

A	B
a. Lactational amenorrhea	IUD
b. Barrier	Surgical method
c. Vasectomy	Natural method
d. Lippes loop	Diaphragms

Answer:

A	B
a. Lactational amenorrhea	Natural method
b. Barrier	Diaphragms
c. Vasectomy	Surgical method
d. Lippes loop	IUD

In simple words: Match lactational amenorrhea with natural method, barrier with diaphragms, vasectomy with surgical method, and Lippes loop with IUD.

🎯 Exam Tip: For matching questions, ensure each item from column A is paired with its correct corresponding item from column B without errors.

 

Question 3. How does Cu T act as an effective contraceptive for human females?

Answer: CuT operates as an effective contraceptive in human females by functioning as an intrauterine device (IUD). Its mechanism involves the release of copper (Cu) ions, which inhibit sperm motility and diminish the fertilizing capability of sperm. Additionally, IUDs enhance the phagocytic activity of sperms within the uterus, meaning uterine cells engulf and destroy more sperm.In simple words: CuT is an IUD that releases copper ions, which stop sperm from moving and fertilizing eggs. It also makes the uterus destroy more sperm.

🎯 Exam Tip: Explaining both the chemical action (Cu ions) and the cellular response (phagocytosis) provides a complete answer.

 

Question 4. Give one example for
a. Non-medicated IUD
b. Copper releasing IUD
c. Hormone releasing IUD-

Answer:
a. Non-medicated IUD: Lippes loop
b. Copper releasing IUD: CuT, Cu7, Multiload 375
c. Hormone releasing IUD: Progestasert, LNG-20In simple words: A non-medicated IUD example is Lippes loop. Copper-releasing IUDs include CuT and Multiload 375. Hormone-releasing IUDs are Progestasert and LNG-20.

🎯 Exam Tip: Accurately listing specific examples for each category of IUD demonstrates detailed knowledge.

 

Question 5. Explain any 2 methods of Assisted Reproductive Technology (ART) that have helped couples to bear children.

Answer: Assisted Reproductive Technology (ART) offers various methods to help couples conceive. Here are two examples:
1. **Gamete Intra-Fallopian Transfer (GIFT):** This technique involves collecting an ovum from a donor and transferring it into the fallopian tube of a female who is unable to produce ova herself. Fertilization then occurs naturally inside her body.
2. **Intra-Cytoplasmic Sperm Injection (ICSI):** In this procedure, a single sperm is directly injected into an ovum in a laboratory setting. The resulting embryo is then transferred into the uterus or fallopian tube.
3. **In Vitro Fertilisation (IVF) / Test-Tube Baby Programme:** This method involves allowing the fusion of the female's ova and the male's sperm in a laboratory dish. Once fertilization occurs, the resulting embryo is then transferred into the female's uterus or fallopian tube.In simple words: GIFT involves transferring an egg from a donor into a woman's fallopian tube. ICSI is when sperm is directly injected into an egg in the lab, and the embryo is then transferred. IVF is when eggs and sperm fuse in a lab, and the resulting embryo is then transferred to the uterus or fallopian tube.

🎯 Exam Tip: Clearly define each ART method, outlining the specific steps and the scenario in which it is used, to show a comprehensive understanding.

 

Question 6. Expand the following.
a. MTP
b. STD
c. IUD
d. ICSI

Answer:
a. MTP - Medical Termination of Pregnancy
b. STD - Sexually Transmitted Disease
c. IUD - Intra-Uterine Device
d. ICSI - Intra-Cytoplasmic Sperm InjectionIn simple words: MTP stands for Medical Termination of Pregnancy, STD for Sexually Transmitted Disease, IUD for Intra-Uterine Device, and ICSI for Intra-Cytoplasmic Sperm Injection.

🎯 Exam Tip: Accuracy in expanding abbreviations is crucial; ensure correct spelling and full forms.

 

Question 7. How do surgical procedures prevent conception in humans? Mention the way it is achieved in human females.

Answer: Surgical methods prevent conception by obstructing the passage of gametes. In females, this is accomplished through a sterilization procedure known as tubectomy. During tubectomy, a small portion of the fallopian tube is either excised or ligated via a minor incision in the abdomen or through the vagina. This effectively blocks the ovum's journey to the uterus and prevents sperm from reaching the ovum, thereby precluding fertilization.In simple words: Surgical procedures stop pregnancy by blocking the movement of sperm and eggs. In females, this is done by a tubectomy, where the fallopian tubes are cut or tied to prevent the egg and sperm from meeting.

🎯 Exam Tip: Clearly state the general mechanism (gamete transport blockage) and then provide specific details for the female procedure, including the name and what is done.

 

Question 8. A slogan related to the family planning program is given below. "We two, have two”, “We one, have one". As a citizen of India, state your response on it. Hint: In the year 2020, it is expected that India becomes the most populous nation in the world.

Answer: As an Indian citizen, I respond to the family planning slogans "We two, have two" and "We one, have one" by acknowledging the critical need for population control. Historically, India's population has grown massively, from 53 crore (including Pakistan and Sri Lanka) in 1947 to 105 crore in India alone currently. Continued unchecked growth will inevitably lead to severe scarcities of essential resources like food, housing, and water. Therefore, adhering to the "We two, have two" policy is imperative. Reflecting on China's former "one-child policy," which imposed penalties for having more children to manage its perceived overpopulation crisis, it highlights the potential for severe measures when population growth is not controlled. Given India's trajectory, it is conceivable that in the future, policies might even shift from "We two, have two" to "We one, have one" to address demographic challenges effectively.In simple words: India's population growth is huge, leading to future shortages of food, housing, and water. Following "We two, have two" is crucial, and if growth continues, India might even adopt a "We one, have one" policy, similar to China's past measures, to control overpopulation.

🎯 Exam Tip: Provide a well-reasoned argument that integrates historical data, future consequences, and comparison with other national policies (like China's) to support your stance on family planning slogans.

 

Question 9. Expand IVF, ART, ZIFT, GIFT, ICSI and IUI.

Answer:
- IVF: In Vitro Fertilisation
- ART: Assisted Reproductive Technologies
- ZIFT: Zygote Intra-Fallopian Transfer
- GIFT: Gamete Intra-Fallopian Transfer
- ICSI: Intra-Cytoplasmic Sperm Injection
- IUI: Intra-Uterine InseminationIn simple words: IVF is In Vitro Fertilisation, ART is Assisted Reproductive Technologies, ZIFT is Zygote Intra-Fallopian Transfer, GIFT is Gamete Intra-Fallopian Transfer, ICSI is Intra-Cytoplasmic Sperm Injection, and IUI is Intra-Uterine Insemination.

🎯 Exam Tip: Ensure precise spelling and correct full forms for all acronyms to achieve full marks.

 

Question 10. MTP has a significant role in decreasing the population though it is not meant for the purpose.
a. Why is MTP done?
b. Has India legalized MTP?
c. Upto when is it safe to do MTP?

Answer:
a. Medical Termination of Pregnancy (MTP) is performed primarily to end unwanted pregnancies.
b. Yes, India legalized MTP in the year 1971.
c. MTP is considered relatively safe when performed during the first trimester, which is up to 12 weeks of gestation.In simple words: MTP is done to end unwanted pregnancies. India legalized it in 1971, and it's safest during the first 12 weeks of pregnancy.

🎯 Exam Tip: For multi-part questions, ensure each sub-question is addressed clearly and concisely with accurate facts, especially dates and timeframes.

 

Question 11. Certain infections or diseases are transmitted through intercourse.
a. Name the term used for it.
b. Are the diseases curable?
c. Give examples.

Answer:
a. The term used for infections or diseases transmitted through intercourse is Sexually Transmitted Diseases (STDs).
b. Many STDs are curable, especially if they are detected and treated at their earliest stages.
c. Examples include Syphilis, Gonorrhea, Genital Herpes, Chlamydiasis, and Hepatitis B.In simple words: Infections spread by sex are called STDs. Many are curable if found early. Examples include syphilis, gonorrhea, genital herpes, and hepatitis B.

🎯 Exam Tip: Accurately naming the category, stating the curability with a condition, and providing multiple relevant examples will score well.

 

Question 12. STD is not panic. Prevention is in your hands. Justify your answer.

Answer: The statement "STD is not panic. Prevention is in your hands" is justified because the risk of Sexually Transmitted Diseases (STDs) can be significantly minimized by adhering to certain preventive guidelines:
- Individuals should avoid sexual relations with unknown partners.
- Consistent use of condoms during coitus is recommended.
- In instances of doubt or suspected exposure, consulting a qualified medical doctor promptly is crucial.In simple words: Preventing STDs is manageable if you avoid sex with unknown partners, use condoms, and see a doctor if you have concerns.

🎯 Exam Tip: Provide clear, actionable preventive measures to effectively justify the assertion that STD prevention is manageable.

 

Question 13. Various methods are now available to help infertile couples. The methods are collectively called ART (Assisted Reproductive Technologies).
a. What is IVF?
b. IVF is commonly called a Test tube baby programme. Give reason.
c. Name the first person who was born by this method.

Answer:
a. IVF, or In Vitro Fertilisation, is a form of Assisted Reproductive Technology (ART).
b. IVF is frequently referred to as the "Test Tube Baby" program because the process of fertilization, where sperm and egg unite, occurs in a laboratory dish (a test tube or petri dish) outside the human body.
c. The first person born using this method was Louise Brown.In simple words: IVF is a type of ART. It's called "Test Tube Baby" because fertilization happens outside the body, in a lab dish. Louise Brown was the first person born this way.

🎯 Exam Tip: Define IVF clearly, explain its common name by describing where fertilization occurs, and accurately name the first individual born via IVF.

 

Question 14. The ultimate aim of an infertile couple is to have a child. Do you know any other method for them to become a parent other than ART?

Answer: Yes, beyond Assisted Reproductive Technologies (ART), another significant method for infertile couples to become parents in India is legal adoption. Our country has a large number of orphaned and vulnerable children, and Indian laws permit their adoption. Therefore, couples experiencing infertility can choose adoption as a pathway to parenthood.In simple words: Besides ART, infertile couples in India can become parents through legal adoption, as many orphaned children are available and laws support this.

🎯 Exam Tip: Recognize and clearly state adoption as a viable alternative to ART, emphasizing its legality and societal benefit.

 

Question 15. Name two surgical contraceptive methods.

Answer: Two surgical contraceptive methods are tubectomy and vasectomy.In simple words: Two surgical birth control methods are tubectomy (for females) and vasectomy (for males).

🎯 Exam Tip: Provide the correct names for both male and female surgical sterilization procedures.

 

Question 16. What is periodic abstinence?

Answer: Periodic abstinence is a natural contraceptive method where couples refrain from sexual intercourse specifically between day 10 and day 17 of the menstrual cycle. This period is chosen because it is when ovulation is most likely to occur, making fertilization possible.In simple words: Periodic abstinence is avoiding sex during days 10-17 of the menstrual cycle, when a woman is most likely to ovulate and get pregnant.

🎯 Exam Tip: Define periodic abstinence by clearly stating the action (abstinence from coitus) and the critical timeframe within the menstrual cycle.

 

Question 17. How do the pills prevent pregnancy?

Answer: Oral contraceptive pills prevent pregnancy through a triple mechanism: they inhibit the process of ovulation (release of an egg), prevent the implantation of a fertilized egg in the uterus, and modify the consistency of cervical mucus, making it thicker and hostile, thereby impeding the entry of sperm.In simple words: Birth control pills stop pregnancy by preventing ovulation, blocking fertilized egg implantation, and changing cervical mucus to stop sperm from entering.

🎯 Exam Tip: Mention all three key mechanisms-inhibiting ovulation, preventing implantation, and altering cervical mucus-for a complete answer.

 

Question 18. IUDs are the ideal contraceptives for females. Do you agree with this statement? Why?

Answer: Yes, I agree that Intra-Uterine Devices (IUDs) are ideal contraceptives for females. They are particularly suitable for women who wish to delay their first pregnancy or to space out subsequent pregnancies. Furthermore, IUDs are among the most broadly adopted contraceptive methods across India due to their effectiveness and convenience.In simple words: Yes, IUDs are great contraceptives for women, especially those who want to delay or space out pregnancies, and they are widely used in India.

🎯 Exam Tip: Affirm your agreement and provide clear, specific reasons related to both individual reproductive choices (delaying/spacing) and societal acceptance (widely accepted in India).

 

Question 19. Mention the barriers used for contraception.

Answer: Barrier methods used for contraception include condoms, diaphragms, cervical caps, and vaults.In simple words: Barrier contraceptives are things like condoms, diaphragms, cervical caps, and vaults.

🎯 Exam Tip: List the different types of barrier methods accurately and comprehensively.

 

Question 20. Observe and identify the following diagram.

ℹ️ चित्र व्याख्या (Diagram Explanation): यह चित्र दो अलग-अलग शल्य चिकित्सा प्रक्रियाओं को दर्शाता है जो पुरुषों और महिलाओं में गर्भनिरोधक के लिए उपयोग की जाती हैं। चित्र A पुरुषों में वीर्यवाहिनी के एक छोटे हिस्से को हटाकर या बांधकर की जाने वाली 'वैसेक्टॉमी' को दिखाता है, जिससे शुक्राणु के मार्ग को अवरुद्ध किया जाता है। चित्र B महिलाओं में डिंबवाहिनी नलिका को काटकर या बांधकर की जाने वाली 'ट्यूबेक्टॉमी' को दर्शाता है, जिससे अंडे के गर्भाशय तक पहुँचने और शुक्राणु से मिलने को रोका जाता है।
Answer:
A. Vasectomy
B. TubectomyIn simple words: Diagram A shows vasectomy (male sterilization), and Diagram B shows tubectomy (female sterilization).

🎯 Exam Tip: Accurately identify the diagrams, specifically naming the male and female sterilization procedures depicted.

 

Question 21. In the following figures, one is of the IUDs

ℹ️ चित्र व्याख्या (Diagram Explanation): यह चित्र विभिन्न गर्भनिरोधक उपकरणों को दर्शाता है। चित्र A और B पुरुष और महिला कंडोम को दिखाते हैं, जो यौन संचारित संक्रमणों और अनचाहे गर्भ को रोकने के लिए अवरोध के रूप में कार्य करते हैं। चित्र C एक इंट्रा-यूटराइन डिवाइस (IUD) को दर्शाता है, विशेष रूप से एक CuT, जिसे गर्भाशय के अंदर डाला जाता है ताकि शुक्राणु की गतिशीलता और निषेचन क्षमता को रोका जा सके।
a. Name the IUDs.
b. How does it work?

Answer:
a. The IUD depicted is C. CuT (Copper T).
b. CuT works by releasing copper ions. These copper ions effectively suppress the motility of sperm and reduce their fertilizing capacity, thereby preventing conception.In simple words: Figure C shows a CuT IUD. It works by releasing copper ions that slow sperm down and reduce their ability to fertilize an egg.

🎯 Exam Tip: Identify the specific IUD and then explain its mechanism of action clearly, focusing on the role of copper ions on sperm.

 

Question 22. Mention the primary steps towards reproductive health.

Answer: The fundamental steps towards achieving and maintaining reproductive health involve comprehensive counseling and widespread awareness campaigns. These initiatives should educate individuals about reproductive organs, the changes associated with adolescence, the importance of safe and hygienic sexual practices, and information regarding sexually transmitted diseases.In simple words: Key steps to reproductive health include educating people about reproductive organs, puberty changes, safe sex, and STDs through counseling and awareness.

🎯 Exam Tip: Emphasize education and awareness across multiple critical areas of reproductive health for a complete answer.

 

Question 23. In what way, India achieved overall improvement in reproductive health?

Answer: India has attained overall improvements in reproductive health through several key initiatives. These include a significant reduction in maternal and infant mortality rates, enhanced capabilities for early detection and successful treatment of Sexually Transmitted Diseases (STDs), and providing assistance to infertile couples.In simple words: India improved reproductive health by lowering maternal and infant deaths, detecting and curing STDs faster, and helping infertile couples.

🎯 Exam Tip: List specific measurable improvements such as mortality rate reductions and advances in disease management and infertility care.

 

Question 24. A husband and wife came to an infertility clinic and consulted the doctor to know why they are infertile. The doctor tested them and gave a negative result saying that the sperm lacks sperm lysin secreted by acrosome.
a. Give the name of the sperm lysin.
b. Mention the function of sperm lysin.

Answer:
a. The primary sperm lysins secreted by the acrosome are hyaluronidase and acrosin.
b. The essential function of sperm lysin is to digest and break down the protective layers and membranes that enclose the ovum, such as the corona radiata and zona pellucida. This enzymatic action is crucial for enabling the sperm to penetrate the egg and achieve fertilization.In simple words: The sperm lysin is hyaluronidase and acrosin. Its job is to break down the outer layers of the egg, allowing the sperm to get inside and fertilize it.

🎯 Exam Tip: Correctly naming sperm lysins and precisely describing their role in breaking down egg barriers for fertilization is vital.

 

Question 25. Define reproductive health.

Answer: According to the World Health Organization (WHO), reproductive health is defined as a state of complete well-being across all facets of reproduction. This encompasses physical, emotional, behavioral, and social dimensions.In simple words: Reproductive health, by WHO definition, means being totally healthy-physically, emotionally, behaviorally, and socially-in everything related to reproduction.

🎯 Exam Tip: Accurately recall the WHO definition, highlighting all four dimensions (physical, emotional, behavioral, social) for a comprehensive answer.

 

Question 27.
(a) What does gamete intrafallopian transfer (GIFT) represent?
(b) How do Cu-T and Cu 7 act as contraceptive devices?

Answer:
(a) Gamete Intra-Fallopian Transfer (GIFT) involves the transfer of two unfertilized oocytes (eggs) along with 2-5 lakh motile sperm directly into the fallopian tube of a woman desiring to conceive, typically performed via laparoscopy. The oocytes and sperm can be sourced from the couple themselves or from donors. Fertilization then naturally occurs within the fallopian tube, followed by the natural development of the fetus.
(b) Cu-T and Cu 7 are copper-releasing intrauterine contraceptive devices (IUDs). They work by steadily releasing ionized copper into the uterus. This copper inhibits sperm motility and reduces their fertilizing capacity. Additionally, copper ions induce an inflammatory response in the uterus, leading to the release of certain compounds that are toxic to sperm and ova, further preventing fertilization and implantation. Other types of IUDs, such as LNG-20, function through hormonal mechanisms.In simple words: (a) GIFT means putting eggs and sperm into a woman's fallopian tube to allow natural fertilization inside. (b) Cu-T and Cu 7 are IUDs that release copper, which slows down sperm, reduces their ability to fertilize, and makes the uterus hostile to sperm and eggs.

🎯 Exam Tip: For GIFT, specify what is transferred (oocytes and sperm), where it is transferred (fallopian tube), and what follows (natural fertilization). For Cu-IUDs, explain the role of copper ions in affecting sperm and creating a uterine environment unsuitable for conception.

 

Question 27. After a successful in vitro fertilisation, the fertilised egg begins to divide. Where is this egg transferred before it reaches the 8-cell stage and what is this technique named?

Answer: After successful in vitro fertilization, when the fertilized egg begins to divide, if it is transferred before reaching the 8-cell stage, it is typically introduced into the **fallopian tube**. This specific technique is known as **Zygote Intra-Fallopian Transfer (ZIFT)**. (Note: Transfer to the uterus usually occurs at a later developmental stage, such as the morula or blastocyst stage, which is beyond the 8-cell stage.)In simple words: After IVF, if a fertilized egg is transferred before it becomes 8 cells, it goes into the fallopian tube. This method is called Zygote Intra-Fallopian Transfer (ZIFT).

🎯 Exam Tip: Differentiate between ZIFT (early embryo to fallopian tube) and other transfer methods (later stage embryo to uterus) based on the developmental stage of the embryo.

 

Question 28. Differentiate between tubectomy and vasectomy.

Answer: Tubectomy and vasectomy are distinct surgical sterilization procedures for contraception.
- **Tubectomy:** This procedure is performed on females, involving the surgical intervention to block or cut the fallopian tubes, thereby preventing the egg from reaching the uterus and sperm from reaching the egg.
- **Vasectomy:** This procedure is performed on males, involving the surgical intervention to cut or tie the vas deferens, which are the tubes that transport sperm from the testes, thereby preventing sperm from being ejaculated.In simple words: Tubectomy is female sterilization where fallopian tubes are blocked. Vasectomy is male sterilization where vas deferens tubes are cut to stop sperm.

🎯 Exam Tip: Clearly define each procedure by identifying the gender, the specific reproductive organ involved, and how gamete transport is interrupted.

 

Question 29. A mother of year old child wanted to space her second child. Her doctor suggested CuT. Explain its contraceptive actions.

Answer: CuT, an Intra-Uterine Device (IUD), employs multiple contraceptive actions. It enhances the phagocytosis (engulfment) of sperm within the uterus. Furthermore, the copper ions released by the CuT actively suppress sperm motility and significantly reduce their fertilizing capability. Critically, it also alters the uterine lining, making it unfavorable for embryo implantation, and renders the cervix hostile to sperm, effectively impeding their passage. Due to these combined actions, CuT is considered an ideal contraceptive option for females who wish to space out pregnancies.In simple words: CuT works by making the uterus engulf more sperm, and its copper ions slow sperm down and reduce their ability to fertilize. It also makes the uterus and cervix unfriendly to sperm and implantation.

🎯 Exam Tip: Detail all three main mechanisms of CuT-increased phagocytosis, suppression of sperm function by copper ions, and making the uterus unsuitable for implantation-for a comprehensive answer.