Reproductive Health

33 solved questions from Class 12 Biology, each with the full working. Tap any question to see the step-by-step solution.

• 1 What is the primary topic or theoretical principle explored in 'Reproductive Health' (Class 12 BIOLOGY)? medium MCQ Chapter Core Principle
• 2 Which key mechanism or analytical rule is highlighted in 'Reproductive Health'? medium MCQ Key Analytical Mechanism
• 3 What is the primary topic or principle explained in 'Reproductive Health' (Class 12 Biology)? medium MCQ Chapter Core Concept
• 4 Which key observation or fact is central to understanding 'Reproductive Health'? medium MCQ Key Fact & Mechanism
• 5 Why is the study of 'Reproductive Health' important for students of Class 12? medium MCQ Learning Significance
• 6 What is a common application or real-world example related to 'Reproductive Health'? medium MCQ Real World Application
• 7 What key takeaway should students retain after completing 'Reproductive Health'? medium MCQ Chapter Summary & Takeaway
• 8 During the luteal phase of the menstrual cycle, which hormone is primarily responsible for maintaining the endometrium and preventing menstruation? easy MCQ 1 mark Hormonal regulation of luteal phase
• 9 List any three barrier methods of contraception and briefly describe how each method prevents fertilisation. medium 2 marks Barrier contraceptive methods
• 10 Oral contraceptive pills (OCPs) have a typical‑use failure rate of 9 % per year and a perfect‑use failure rate of 0.3 % per year. If 5,000 couples use OCPs with typical use for one year, calculate (a) the expected number of pregnancies and (b) the number of pregnancies avoided if they all used the pills perfectly. hard 4 marks Contraceptive failure rates
• 11 A 22‑year‑old woman weighs 58 kg and her height is 1.55 m. Calculate her Body Mass Index (BMI) and state the WHO classification for her BMI value. medium 2 marks BMI assessment in reproductive health
• 12 Which of the following is NOT a method of emergency contraception? medium MCQ 1 mark Emergency contraception methods
• 13 A couple uses a male condom correctly 85 % of the time and incorrectly 15 % of the time. The perfect‑use failure rate of condoms is 2 % per year and the typical‑use failure rate is 18 % per year. If 2000 couples use condoms for one year, calculate (a) the expected number of unintended pregnancies and (b) the number of pregnancies that could have been avoided if all couples had used condoms perfectly. hard 3 marks Contraceptive failure rate calculation
• 14 Name two hormonal contraceptive methods other than oral contraceptive pills and briefly describe how each method prevents ovulation. easy 2 marks Hormonal contraception mechanisms
• 15 Discuss how reproductive health education can reduce teenage pregnancy rates in India. In your answer, (i) mention at least two mechanisms by which education achieves this reduction, and (ii) highlight two major challenges in implementing reproductive health education programmes in rural areas. hard 5 marks Impact of reproductive health education
• 16 Which of the following hormonal contraceptive methods prevents ovulation by suppressing the luteinizing hormone surge? easy MCQ 1 mark Hormonal contraceptive mechanism
• 17 A couple uses a male condom correctly 80 % of the time and incorrectly 20 % of the time. The perfect‑use failure rate of condoms is 2 % per year and the typical‑use failure rate is 18 % per year. If 2000 couples use condoms for one year, calculate (a) the expected number of unintended pregnancies and (b) the number of pregnancies that could have been avoided if all couples had used condoms perfectly. medium 3 marks Condom failure rates
• 18 A 27‑year‑old woman takes levonorgestrel emergency contraceptive 4 hours after unprotected intercourse. The pill is 95 % effective when taken within 72 hours. If 200 women in a community use the pill under these conditions, how many unintended pregnancies are avoided compared to no emergency contraception? medium 2 marks Emergency contraception effectiveness
• 19 In a population of 300 women using both combined oral contraceptive pills (typical‑use failure rate 9 % per year) and male condoms (typical‑use failure rate 18 % per year) over one year, assuming failures of the two methods are independent, what is the expected number of pregnancies among the women? hard 4 marks Combined contraceptive efficacy
• 20 Which of the following is a barrier method of contraception? easy MCQ 1 mark Barrier methods of contraception
• 21 Which hormone primarily maintains the endometrium during the luteal phase? easy MCQ 1 mark Hormonal regulation of menstrual cycle
• 22 In a population where 500 women use a copper IUD (typical‑use failure rate 0.6 % per year) and another 500 women use male condoms (typical‑use failure rate 18 % per year) for one year, how many unintended pregnancies are expected among all 1000 women and how many pregnancies could be avoided if all 1000 women switched to copper IUDs? medium 2 marks Contraceptive failure rates
• 23 A group of 1000 women uses both combined oral contraceptive pills (typical‑use failure 9 % per year) and male condoms (typical‑use failure 18 % per year) simultaneously over one year, assuming failures of the two methods are independent. How many pregnancies are expected? How many pregnancies would be expected if they used only oral contraceptive pills? What is the reduction in expected pregnancies due to dual use? hard 4 marks Combined contraceptive effectiveness
• 24 Describe how Depo‑Provera injection prevents ovulation, list two major side effects, and recommend an alternative contraceptive method for a 35‑year‑old woman with well‑controlled hypertension. hard 5 marks Hormonal contraceptive mechanisms and side effects
• 25 Explain how Depo‑Provera injection prevents ovulation, list two major side effects, and recommend an alternative contraceptive method suitable for a 28‑year‑old woman with well‑controlled hypertension. medium 3 marks Mechanism of Depo‑Provera and alternatives
• 26 A group of 200 women uses both combined oral contraceptive pills (failure 8 % per year) and male condoms (failure 17 % per year) simultaneously over one year, assuming independent failures. How many pregnancies are expected? medium 2 marks Dual contraceptive failure calculation
• 27 In a community of 1500 couples, 80 % of couples use male condoms correctly and 20 % incorrectly. The perfect‑use failure rate of condoms is 1.5 % per year and the typical‑use failure rate is 15 % per year. hard 4 marks Weighted contraceptive failure rate
• 28 Which of the following is a barrier method of contraception? easy MCQ 1 mark Barrier contraceptive method
• 29 A 24‑year‑old girl weighs 58 kg and is 1.55 m tall. Calculate her Body Mass Index (BMI) and state the WHO classification for her BMI value. easy 1 mark BMI calculation and classification
• 30 Describe how Depo‑Provera injection prevents ovulation, mention two major side effects, and recommend an alternative contraceptive method suitable for a 30‑year‑old woman with well‑controlled hypertension. medium 3 marks Mechanism and side‑effects of progestogen contraception
• 31 In a population of 800 women, 500 use combined oral contraceptive pills (typical‑use failure rate 9 % per year) and 300 use male condoms (typical‑use failure rate 18 % per year). All women use only one of these methods. (a) Calculate the expected number of unintended pregnancies in one year. (b) Calculate the expected number of pregnancies if all 800 women used only combined oral contraceptive pills. (c) How many pregnancies could have been avoided if all women had used only the pills? hard 5 marks Effectiveness comparison of contraceptive methods
• 32 MCQ: Which of the following contraceptive methods has the lowest typical‑use failure rate per year among the options given? (i) Combined oral contraceptive pills – 9 % (ii) Copper intrauterine device – 0.6 % (iii) Male condom – 18 % (iv) Depo‑Provera injection – 2 % easy MCQ 2 marks Contraceptive failure rates
• 33 Short answer: List three barrier methods of contraception and briefly explain how each method prevents fertilisation. medium 3 marks Barrier contraceptive methods