Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 4 Reproductive Health. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Biology Reproductive Health MCQs Pdf with Answers to know their preparation level.
Reproductive Health Class 12 Biology MCQs Pdf
1. Which of the following is hormonereleasing?
(a) Multiload 375
(b) LNG-20
(c) Lippes loop
(d) Cu 7
Answer
Answer: b
2. Which among the following is commonly called withdrawal method?
(a) Lactational amenorrhoea
(b) Coitus interruptus
(c) Periodic abstinence
(d) Rhythm method
Answer
Answer: b
3. In which of the following ARTs, does in vivo fertilisation occur?
(a) ZIFT
(b) GIFT
(c) ICSI
(d) IVF
Answer
Answer: b
4. Surgical methods, also called sterilisation techniques are fool-poof methods be prevent pregnancy. But, it is the last option for many couples, because
(a) it is nearly irreversible.
(b) of lack of sufficient facilities in many parts of the country.
(c) of fear that it will reduce sexual drive.
(d) all of these
Answer
Answer: d
5. Emergency contraceptives are effective if
used within [NCERT Exemplar]
(a) 72 hrs of coitus.
(b) 72 hrs of ovulation.
(c) 72 hrs of menstruation.
(d) 72 hrs of implantation.
Answer
Answer: a
6. Condoms are one of the most popular contraceptives because of the following reasons [NCERT Exemplar]
(a) these are effective barriers for insemination.
(b) they do not interfere with coital act.
(c) these help in reducing the risk of STDs.
(d) all of the above.
Answer
Answer: d
7. Intensely lactating mothers do not generally conceive due to the [NCERT Exemplar]
(a) suppression of gonadotropins.
(b) hyper secretion of gonadotropins.
(c) suppression of gametic transport.
(d) suppression of fertilisation.
Answer
Answer: a
8. The method of directly injecting a spenn into ovum in assisted reproductive, technology is called [NCERT Exemplar]
(a) GIFT
(b) ZIFT
(c) ICSI
(d) ET
Answer
Answer: c
9. The oral contraceptive pills mainly contain the hormones
(a) estrogen and luteinising hormone.
(b) progesterone and estrogen.
(c) estrogens and follicle-stimulating hormone.
(d) progesterone and follicle-stimulating hormone.
Answer
Answer: b
10. Diaphragms are the contraceptive devices used by females. Choose the correct option about them.
(a) They are reusable.
(b) They block the entry of sperms.
(e) They are placed to cover the cervix.
(d) All of these.
Answer
Answer: d
11. ZIFT is transfer of
(a) zygote into fallopian tube.
(b) a mixture of sperms and ova into the fallopian tube.
(c) a mixture of sperms and ova into the uterus.
(d) embryo into the uterus.
Answer
Answer: a
12. ‘Sahelr is a/an
(a) oral contraceptive for females.
(b) surgical/sterilisation method for females.
(c) diaphragm for females.
(d) surgical/sterilisation method for males.
Answer
Answer: a
13. _______ is the sterilisation procedure carried out in males.
Answer/Explanation
Answer:
Explaination: Vasectomy.
14. The incidences of STPs are reported to be very high among persons in the age group of _____ years.
Answer/Explanation
Answer:
Explaination: 15 – 24.
15. The world population was around ______ in 1900.
Answer/Explanation
Answer:
Explaination: 2 billion/2000 million.
16. According to the 2001 census report, the population growth rate in India is ______ per year.
Answer/Explanation
Answer:
Explaination: 17/1000 or 1.7 per cent.
17. ______ methods work on the principle of avoiding the chances of meeting of ovum and sperm.
Answer/Explanation
Answer:
Explaination: Barrier.
18. ______ is the oral contraceptive for female containing non-steroidal preparation.
Answer/Explanation
Answer:
Explaination: Saheli.
19. The statutory ban on _____ is to legally check the female foeticide.
Answer/Explanation
Answer:
Explaination: Amniocentesis.
20. Day ______ of the menstrual cycle are called fertile period.
Answer/Explanation
Answer:
Explaination: 10-17.
21. Embryo with more than 32 blastomeres is transferred into the _______ .
Answer/Explanation
Answer:
Explaination: Uterus.
22. Surgical methods of contraception are highly effective but their _______ is poor.
Answer/Explanation
Answer:
Explaination: Reversibility.
Directions (Q23 and Q24): Match the items of Column I with those of Column II.
23.
| Column 1 | Column 11 |
| A. Copper – releasing IUD | 1. Sterilisation in males. |
| B. Hormone – releasing IUD | 2. Progesterone- estrogen combination. |
| C. Vasectomy | 3. Progestasert. |
| D. Oral contraceptive | 4. Multiload 375. |
Answer/Explanation
Answer:
Explaination: A – 4, B – 3, C – 1, D – 2
24.
| Column I | Column II |
| A. Lactational amenorrhoea | 1. Directly injecting a sperm into the ovum. |
| B. ICSI | 2. Suppressing ovulation and implantation. |
| C. Tubectomy | 3. Suppression of gonadotropins. |
| D. Oral contraceptive | 4. Blocking the transport of gametes. |
| 5. Implant under the skin. |
Answer/Explanation
Answer:
Explaination: A – 3, B – 1, C – 4, D – 2
25. Contraceptive pills prevent ovulation and implantation. [True/False]
Answer/Explanation
Answer:
Explaination: True.
26. MTPs are considered relatively safe during the first 18 weeks of pregnancy. [True/False]
Answer/Explanation
Answer:
Explaination: False.
27. Hepatitis-B, AIDS and genital herpes are the STDs that can be cured. [True/False]
Answer/Explanation
Answer:
Explaination: False.
28. Sterilisation process in males, is called vasectomy and that in females, is called tubectomy. [True/False]
Answer/Explanation
Answer:
Explaination: True.
29. Saheli is an imported oral pill. [True/False]
Answer/Explanation
Answer:
Explaination: False.
Directions (Q30 to Q33): Mark the odd one in each of the following groups.
30. Diaphragm, Vaults, Progestasert, Cervical caps
Answer/Explanation
Answer:
Explaination: Progestasert.
31. Coitus interruptus, Vasectomy, Periodic abstinence, Lactational amenorrhoea.
Answer/Explanation
Answer:
Explaination: Vasectomy.
32. Cu 7, CuT, LNG-20, Multiload
Answer/Explanation
Answer:
Explaination: LNG-20.
33. ZIFT, GIFI, IUI, MTP
Answer/Explanation
Answer:
Explaination: MTP.
34. What is meant by reproductive health according to WHO?
Answer/Explanation
Answer:
Explaination: According to WHO, reproductive health means a total, well-being in physical, emotional, behavioural and social aspects of reproduction.
35. Mention one positive and one negative application of amniocentesis. [Delhi 2010]
Answer/Explanation
Answer:
Explaination:
Positive application:
– Any genetic disorder of the foetus can be detected.
Negative application:
– It is misused for sex determination and female foeticide.
36. Government of India has raised the marriageable age of female to 18 years and of males to 21 years. Suggest any two more measures adopted by Government for the purpose. [CBSE Sample Paper 2016]
Answer/Explanation
Answer:
Explaination:
The other methods include:
– Motivation to have smaller families by using various contraceptive methods.
– Advertisements in the media and posters showing a happy couple with two children with a slogan ‘Hum Do, Hamare Do’.
– Incentives given to the couples with small families. (any two)
37. State one reason why breast feeding the baby acts as a natural contraceptive, for the mother? [AI2014C; HOTS]
Answer/Explanation
Answer:
Explaination:
(i) The events of menstrual cycle are absent during the period of intense lactation.
(ii) In the absence of ovulation, there is no question of fertilisation and conception.
38. Why is the period between day 10 and 17 of the menstrual cycle, called ‘fertile period’? [HOTS]
Answer/Explanation
Answer:
Explaination: Ovulation occurs during this period and chances of fertilisation are high; hence this period is called ‘fertile period’.
39. What is the principle behind the barrier methods of birth control?
Answer/Explanation
Answer:
Explaination: In these methods, the ovum and sperms are prevented from physically meeting each other.
40. Name any two barriers used by human females for birth control.
Answer/Explanation
Answer:
Explaination: Cervical caps, diaphragms, vaults, (any two)
41. What are the advantages of using condoms?
Answer/Explanation
Answer:
Explaination:
(i) Condoms act as barriers for the meeting of sperm and ovum and prevent conception.
(ii) They also protect the user from contracting STDs.
42. Name an IUD that you would recommend to promote the cervix hostility to the sperms. [Delhi 2014C]
Answer/Explanation
Answer:
Explaination: Hormone-releasing IUDs like LNG-20 or progestasert.
43. Mention any two events that are inhibited by the intake of oral contraceptive pills to prevent pregnancy in humans.
Answer/Explanation
Answer:
Explaination: Ovulation and implantation.
44. How can pregnancy due to rape or casual unprotected intercourse be prevented?
Answer/Explanation
Answer:
Explaination:
Pregnancy due to rape or casual unprotected intercourse can be prevented by
(i) administration of progestogens or progestogen-estrogen combination within 72 hours of coitus.
(ii) administration of IUDs within 72 hours of coitus.
45. Why is tubectomy considered a contraceptive method? [Foreign 2010]
Answer/Explanation
Answer:
Explaination:
In tubectomy, the surgical intervention blocks the transport of ova and hence the conception; so it is considered a contraceptive method.
46. What is MTP?
Answer/Explanation
Answer:
Explaination: MTP refers to the intentional or voluntary termination of pregnancy before full term under the care of a medical practitioner.
47. When was MTP legalised by the Indian government?
Answer/Explanation
Answer:
Explaination: In the year 1971.
48. Our government has intentionally imposedstrict conditions for MTP in our country. Justify giving a reason. [Delhi 2017]
Answer/Explanation
Answer:
Explaination: The restrictions are mainly to check the indiscriminate and illegal female foeticides.
49. Name two sexually transmitted diseases caused by bacteria.
Or
Name two curable STDs.
Answer/Explanation
Answer:
Explaination: Syphilis and gonorrhoea.
50. Name two STDs which can be transmitted through contaminated blood.
Or
Name two sexually transmitted diseases that do not specifically affect the reproductive organs.
Answer/Explanation
Answer:
Explaination: Hepatitis B and AIDS.
51. Give two reasons why a person infected with a venereal disease does not go for timely detection and treatment of it.
Answer/Explanation
Answer:
Explaination:
(i) The early symptoms of venereal diseases are less significant and cannot be detected.
(ii) The social stigma attached to the disease.
52. Mention the age group where STDs are reported to be very high.
Answer/Explanation
Answer:
Explaination: 15-24 years is the age group.
53. Name two STDs that are not curable.
Answer/Explanation
Answer:
Explaination: AIDS, genital herpes, Hepatitis-B. (any two)
54. Mention the primary aim of the ARTs.
Answer/Explanation
Answer:
Explaination: The primary aim oftheARTs is the diagnosis and corrective treatment of the causes of infertility and enable the couples to have children.
55. Name any two assisted reproductive technologies that help infertile couples to have children. [Delhi 2012C]
Answer/Explanation
Answer:
Explaination:
(i) Test Tube Baby Programme
(ii) Gamete Intra-Fallopian Transfer (GIFT)
(iii) Intra-Cytoplasmic Sperm Injection (ICSI)
(iv) Artificial Insemination. (any two)
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