Concept-wise Practice

class12 MCQ Questions for Class 12

class12 se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

741 questions tagged with class12.

ART techniques का मुख्य उद्देश्य क्या है?

What is the main purpose of ART techniques?

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Correct Answer

A. Infertile couples को conception में सहायता देनाTo help infertile couples in conception

Step 1

Concept

Identify the concept: this is assisted reproduction.

Step 2

Why this answer is correct

ART is used for couples who face difficulty in natural conception.

Step 3

Exam Tip

Exam tip: remember ART as infertility assistance.

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Infertility diagnosis में male और female दोनों की जांच क्यों जरूरी हो सकती है?

Why can examination of both male and female be important in infertility diagnosis?

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Correct Answer

A. क्योंकि infertility दोनों में से किसी factor से हो सकती हैBecause infertility may be due to factors in either partner

Step 1

Concept

Identify the concept: this is related to causes of infertility.

Step 2

Why this answer is correct

Infertility may be due to male, female or combined factors.

Step 3

Exam Tip

Exam tip: understand infertility as a couple-based issue.

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HIV transmission से बचाव में कौन सा व्यवहार सही है?

Which behaviour is correct for preventing HIV transmission?

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Correct Answer

A. Sterile needles और safe practices अपनानाUsing sterile needles and safe practices

Step 1

Concept

Identify the concept: this is HIV prevention.

Step 2

Why this answer is correct

HIV can spread through infected blood, unsafe needles and unsafe sexual contact.

Step 3

Exam Tip

Exam tip: remember safe practices and screening in HIV prevention.

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Syphilis और gonorrhoea किस category में रखे जाते हैं?

Syphilis and gonorrhoea are placed in which category?

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Correct Answer

A. Sexually transmitted infections

Step 1

Concept

Identify the concept: these are STI examples.

Step 2

Why this answer is correct

Syphilis and gonorrhoea can spread through sexual contact, so they are STIs.

Step 3

Exam Tip

Exam tip: syphilis, gonorrhoea and AIDS are common STI examples.

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STI का early diagnosis क्यों जरूरी है?

Why is early diagnosis of STI important?

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Correct Answer

A. Complications और spread को कम करने के लिएTo reduce complications and spread

Step 1

Concept

Identify the concept: this is STI management.

Step 2

Why this answer is correct

Early diagnosis and treatment can reduce infection spread and complications.

Step 3

Exam Tip

Exam tip: early treatment is very important in STI.

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Amniocentesis का sex determination के लिए misuse क्यों harmful माना जाता है?

Why is misuse of amniocentesis for sex determination considered harmful?

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Correct Answer

A. यह female foeticide और gender imbalance बढ़ा सकता हैIt can increase female foeticide and gender imbalance

Step 1

Concept

Identify the concept: this is an ethical issue.

Step 2

Why this answer is correct

Misuse for sex determination can increase social problems such as female foeticide.

Step 3

Exam Tip

Exam tip: connect misuse of amniocentesis with gender bias.

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Amniocentesis का medically useful purpose क्या हो सकता है?

What can be a medically useful purpose of amniocentesis?

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Correct Answer

A. Foetal chromosomal abnormalities detect करनाDetecting foetal chromosomal abnormalities

Step 1

Concept

Identify the concept: this is a prenatal diagnostic technique.

Step 2

Why this answer is correct

Amniocentesis can help detect genetic or chromosomal disorders.

Step 3

Exam Tip

Exam tip: medical diagnosis is the valid idea, sex determination misuse is prohibited.

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MTP को unsafe तरीके से कराने का सबसे बड़ा खतरा क्या हो सकता है?

What can be the biggest risk of unsafe MTP?

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Correct Answer

A. Mother की health को गंभीर नुकसानSerious harm to mother's health

Step 1

Concept

Identify the concept: this is safe medical practice.

Step 2

Why this answer is correct

Unsafe MTP can increase the risk of infection, bleeding and other complications.

Step 3

Exam Tip

Exam tip: MTP should be done by a qualified doctor under legal and safe conditions.

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Tubectomy में fertilization की संभावना क्यों कम होती है?

Why does tubectomy reduce the chance of fertilization?

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Correct Answer

A. Fallopian tube block होने से gametes नहीं मिलतेGametes do not meet because fallopian tubes are blocked

Step 1

Concept

Identify the concept: this is female sterilization.

Step 2

Why this answer is correct

In tubectomy, fallopian tubes are cut or blocked so sperm and ovum cannot meet.

Step 3

Exam Tip

Exam tip: in tubectomy, tube means fallopian tube.

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Vasectomy में pregnancy prevention किसके कारण होता है?

In vasectomy, pregnancy prevention occurs due to what?

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Correct Answer

A. Vas deferens block होने से sperm transport रुकता हैSperm transport stops due to blocked vas deferens

Step 1

Concept

Identify the concept: this is male sterilization.

Step 2

Why this answer is correct

In vasectomy, vas deferens is cut or blocked so sperms do not reach semen.

Step 3

Exam Tip

Exam tip: remember vas deferens in vasectomy.

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Emergency contraceptive pills को regular contraceptive method की जगह क्यों नहीं लेना चाहिए?

Why should emergency contraceptive pills not replace a regular contraceptive method?

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Correct Answer

A. वे केवल emergency situations के लिए होती हैंThey are meant only for emergency situations

Step 1

Concept

Identify the concept: this is a limitation of emergency contraception.

Step 2

Why this answer is correct

Emergency pills are for accidental or urgent situations and do not replace routine contraception.

Step 3

Exam Tip

Exam tip: emergency means occasional need, not regular method.

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Saheli pill को अन्य कई pills से अलग किस कारण माना जाता है?

Why is Saheli pill considered different from many other pills?

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Correct Answer

A. यह non-steroidal oral contraceptive हैIt is a non-steroidal oral contraceptive

Step 1

Concept

Identify the concept: this is an NCERT fact-based question.

Step 2

Why this answer is correct

Saheli is a non-steroidal oral contraceptive pill developed in India.

Step 3

Exam Tip

Exam tip: remember Saheli with non-steroidal.

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Oral pills pregnancy को मुख्य रूप से किस process को control करके prevent कर सकती हैं?

Oral pills can mainly prevent pregnancy by controlling which process?

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Correct Answer

A. Ovulation

Step 1

Concept

Identify the concept: this is hormonal contraception.

Step 2

Why this answer is correct

Oral pills can modify hormone levels and suppress ovulation.

Step 3

Exam Tip

Exam tip: connect pills with ovulation control.

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Hormone releasing IUDs का एक प्रमुख effect क्या हो सकता है?

What can be a major effect of hormone releasing IUDs?

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Correct Answer

A. Uterus को implantation के लिए unsuitable बनानाMaking uterus unsuitable for implantation

Step 1

Concept

Identify the concept: this is the function of hormonal IUDs.

Step 2

Why this answer is correct

Hormone releasing IUDs affect the endometrium and cervical mucus to reduce pregnancy chance.

Step 3

Exam Tip

Exam tip: link hormonal IUDs with implantation and mucus changes.

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Copper releasing IUDs pregnancy prevention में कैसे मदद करते हैं?

How do copper releasing IUDs help prevent pregnancy?

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Correct Answer

A. Sperm motility और fertilizing capacity घटाकरBy reducing sperm motility and fertilizing capacity

Step 1

Concept

Identify the concept: this is the mechanism of copper IUDs.

Step 2

Why this answer is correct

Copper ions reduce sperm movement and fertilizing ability.

Step 3

Exam Tip

Exam tip: in Copper-T, copper reduces sperm function.

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Barrier methods STI prevention में अन्य कई methods से अधिक उपयोगी क्यों हैं?

Why are barrier methods more useful than many other methods in STI prevention?

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Correct Answer

A. वे physical barrier बनाकर pathogen exposure भी कम कर सकते हैंThey can reduce pathogen exposure by making a physical barrier

Step 1

Concept

Identify the concept: this is an extra benefit of condoms and barrier methods.

Step 2

Why this answer is correct

Condoms can reduce the risk of transmission of many infections along with blocking sperms.

Step 3

Exam Tip

Exam tip: remember condom with dual protection.

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Lactational amenorrhea method केवल सीमित समय तक effective क्यों होती है?

Why is lactational amenorrhea method effective only for a limited time?

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Correct Answer

A. क्योंकि ovulation suppression लंबे समय तक निश्चित नहीं रहताBecause ovulation suppression does not remain certain for long

Step 1

Concept

Identify the concept: this is a limitation of lactational amenorrhea.

Step 2

Why this answer is correct

Breastfeeding can suppress ovulation in early months but the effect may reduce with time.

Step 3

Exam Tip

Exam tip: remember lactational amenorrhea as a short-term natural method.

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Periodic abstinence method किस principle पर आधारित है?

Periodic abstinence method is based on which principle?

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Correct Answer

A. Fertile period में intercourse avoid करनाAvoiding intercourse during fertile period

Step 1

Concept

Identify the concept: this is a natural contraceptive method.

Step 2

Why this answer is correct

In this method intercourse is avoided during fertile days around ovulation.

Step 3

Exam Tip

Exam tip: remember periodic abstinence as fertile period avoidance.

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Contraceptive methods का ideal feature कौन सा माना जाता है?

Which is considered an ideal feature of contraceptive methods?

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Correct Answer

A. User-friendly और reversible होनाBeing user-friendly and reversible

Step 1

Concept

Identify the concept: this is about ideal contraceptive features.

Step 2

Why this answer is correct

A good contraceptive should be safe, effective, affordable, user-friendly and reversible.

Step 3

Exam Tip

Exam tip: remember safety and reversibility for ideal contraceptives.

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जनसंख्या विस्फोट को नियंत्रित करने में small family norm कैसे मदद करता है?

How does small family norm help control population explosion?

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Correct Answer

A. Birth rate कम करने में मदद करकेBy helping reduce birth rate

Step 1

Concept

Identify the concept: this is related to population control.

Step 2

Why this answer is correct

Small family norm encourages planned parenthood and fewer births, which can reduce birth rate.

Step 3

Exam Tip

Exam tip: link small family norm with planned family.

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RCH कार्यक्रम का मुख्य ध्यान केवल contraception पर नहीं बल्कि किस व्यापक लक्ष्य पर होता है?

The RCH programme focuses not only on contraception but on which broader goal?

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Correct Answer

A. Reproductive और child health care को बेहतर बनानाImproving reproductive and child health care

Step 1

Concept

Identify the concept: this is the aim of the RCH programme.

Step 2

Why this answer is correct

RCH is linked with reproductive health awareness, mother care and child care.

Step 3

Exam Tip

Exam tip: remember RCH as mother-child health support.

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ART techniques का मुख्य उपयोग किस समस्या में होता है?

ART techniques are mainly used for which problem?

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Correct Answer

A. Infertility

Step 1

Concept

Identify the concept: this is the purpose of ART.

Step 2

Why this answer is correct

ART methods are used to help infertile couples in conception.

Step 3

Exam Tip

Exam tip: remember ART with assisted reproduction and infertility.

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कौन सा option surgical contraception है?

Which option is surgical contraception?

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Correct Answer

A. Vasectomy

Step 1

Concept

Identify the concept: this is contraceptive classification.

Step 2

Why this answer is correct

Vasectomy is a surgical sterilization method while condom is barrier and periodic abstinence is natural method.

Step 3

Exam Tip

Exam tip: vasectomy and tubectomy are surgical methods.

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Hormonal contraceptives का मुख्य effect किस process पर हो सकता है?

Hormonal contraceptives mainly affect which process?

Explanation opens after your attempt
Correct Answer

A. Ovulation

Step 1

Concept

Identify the concept: this is hormonal method.

Step 2

Why this answer is correct

Hormonal contraceptives can suppress ovulation or make reproductive tract conditions unsuitable for pregnancy.

Step 3

Exam Tip

Exam tip: connect hormonal method with ovulation control.

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Barrier methods pregnancy को कैसे prevent करते हैं?

How do barrier methods prevent pregnancy?

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Correct Answer

A. Sperm और ovum के मिलन को रोककरBy preventing meeting of sperm and ovum

Step 1

Concept

Identify the concept: this is the mechanism of barrier methods.

Step 2

Why this answer is correct

Barrier methods make a physical block so sperm cannot reach the egg.

Step 3

Exam Tip

Exam tip: barrier means physical block.

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Reproductive health में sex ratio concern किससे जुड़ा हो सकता है?

Concern about sex ratio in reproductive health can be linked to what?

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Correct Answer

A. Female foeticide और gender bias

Step 1

Concept

Identify the concept: this is a social issue.

Step 2

Why this answer is correct

Misuse of sex determination and female foeticide can disturb sex ratio.

Step 3

Exam Tip

Exam tip: gender equality is an important social part of reproductive health.

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Reproductive tract infections को ignore करने से क्या हो सकता है?

What can happen if reproductive tract infections are ignored?

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Correct Answer

A. Complications बढ़ सकती हैंComplications may increase

Step 1

Concept

Identify the concept: this is infection management.

Step 2

Why this answer is correct

Untreated reproductive infections can increase complications and health problems.

Step 3

Exam Tip

Exam tip: seek medical help for infection symptoms.

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Infertility treatment में donor gametes कब उपयोगी हो सकते हैं?

When can donor gametes be useful in infertility treatment?

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Correct Answer

A. जब suitable gametes उपलब्ध न होंWhen suitable gametes are not available

Step 1

Concept

Identify the concept: this is assisted reproduction.

Step 2

Why this answer is correct

In some infertility cases donor sperm or donor ovum can help in ART.

Step 3

Exam Tip

Exam tip: donor gametes can be used for infertility support.

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Prenatal care का अर्थ क्या है?

What does prenatal care mean?

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Correct Answer

A. Birth से पहले pregnancy carePregnancy care before birth

Step 1

Concept

Identify the concept: this is pregnancy care term.

Step 2

Why this answer is correct

Prenatal care is related to monitoring health of mother and foetus during pregnancy.

Step 3

Exam Tip

Exam tip: pre means before birth.

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Maternal health किससे संबंधित है?

Maternal health is related to what?

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Correct Answer

A. Mother की health during pregnancy childbirth and after birth

Step 1

Concept

Identify the concept: this is part of reproductive health.

Step 2

Why this answer is correct

Maternal health is related to care of mother during pregnancy delivery and postnatal period.

Step 3

Exam Tip

Exam tip: maternal means mother related.

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