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Science NCERT Exemplar Solutions (Class 12th)
Physics Chemistry Biology

Class 12th (Biology) Chapters
1. Reproduction In Organisms 2. Sexual Reproduction In Flowering Plants 3. Human Reproduction
4. Reproductive Health 5. Principles Of Inheritance And Variation 6. Molecular Basis Of Inheritance
7. Evolution 8. Human Health And Diseases 9. Strategies For Enhancement In Food Production
10. Microbes In Human Welfare 11. Biotechnology: Principles And Processes 12. Biotechnology And Its Applications
13. Organisms And Populations 14. Ecosystem 15. Biodiversity And Conservation
16. Environmental Issues Sample Paper



Chapter 4 Reproductive Health



Multiple Choice Questions

Question 1. The method of directly injecting a sperm into ovum in Assisted Reproductive Technology is called:

a. GIFT

b. ZIFT

c. ICSI

d. ET

Answer:

Question 2. Increased IMR and decreased MMR in a population will:

a. Cause rapid increase in growth rate

b. Result in decline in growth rate

c. Not cause significant change in growth rate

d. Result in an explosive population

Answer:

Question 3. Intensely lactating mothers do not generally conceive due to the:

a. Suppression of gonadotropins

b. Hyper secretion of gonadotropins

c. Suppression of gametic transport

d. Suppression of fertilisation

Answer:

Question 4. Sterilisation techniques are generally fool proof methods of contraception with least side effects. Yet, this is the last option for the couples because:

i. It is almost irreversible

ii. Of the misconception that it will reduce sexual urge

iii. It is a surgical procedure

iv. Of lack of sufficient facilities in many parts of the country

Choose the correct option:

(a) i and iii

(b) ii and iii

(c) ii and iv

(d) i, ii, iii and iv

Answer:

Question 5. A national level approach to build up a reproductively healthy society was taken up in our country in:

a. 1950s

b. 1960s

c. 1980s

d. 1990s

Answer:

Question 6. Emergency contraceptives are effective if used within:

a. 72 hrs of coitus

b. 72 hrs of ovulation

c. 72 hrs of menstruation

d. 72 hrs of implantation

Answer:

Question 7. Choose the right one among the statements given below:

a. IUDs are generally inserted by the user herself

b. IUDs increase phagocytosis reaction in the uterus

c. IUDs suppress gametogenesis

d. IUDs once inserted need not be replaced

Answer:

Question 8. Following statements are given regarding MTP. Choose the correct options given below:

i. MTPs are generally advised during first trimester

ii. MTPs are used as a contraceptive method

iii. MTPs are always surgical

iv. MTPs require the assistance of qualified medical personnel

(a) ii and iii

(b) ii and iii

(c) i and iv

(d) i and ii

Answer:

Question 9. From the sexually transmitted diseases mentioned below, identify the one which does not specifically affect the sex organs:

a. Syphilis

b. AIDS

c. Gonorrhea

d. Genital warts

Answer:

Question 10. Condoms are one of the most popular contraceptives becuase of the following reasons:

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:

Question 11. Choose the correct statement regarding the ZIFT procedure:

a. Ova collected from a female donor are transferred to the fallopian tube to facilitate zygote formation.

b. Zygote is collected from a female donor and transferred to the fallopian tube

c. Zygote is collected from a female donor and transferred to the uterus

d. Ova collected from a female donor and transferrerd to the uterus

Answer:

Question 12. The correct surgical procedure as a contraceptive method is:

a. Ovariectomy

b. Hysterectomy

c. Vasectomy

d. Castration

Answer:

Question 13. Diaphragms are contraceptive devices used by the females. Choose the correct option from the statements given below:

i. They are introduced into the uterus

ii. They are placed to cover the cervical region

iii. They act as physical barriers for sperm entry

iv. They act as spermicidal agents

(a) i and ii,

(b) i and iii,

(c) ii and iii,

(d) iii & iv

Answer:



Very Short Answer Questions

Question 1. Reproductive health refers only to healthy reproductive functions. Comment.

Answer:

Question 2. Comment on the Reproductive and Child Health Care programme of the government to improve the reproductive health of the people.

Answer:

Question 3. The present population growth rate in India is alarming. Suggest ways to check it.

Answer:

Question 4. STDs can be considered as self-invited diseases. Comment.

Answer:

Question 5. Suggest the reproduction-related aspects in which counselling should be provided at the school level.

Answer:

Question 6. Mention the primary aim of the “Assisted Reproductive Technology” (ART) programme.

Answer:

Question 7. What is the significance of progesterone-estrogen combination as a contraceptive measure?

Answer:

Question 8. Strict conditions are to be followed in medical termination of pregnancy (MTP) procedures. Mention two reasons.

Answer:

Question 9. Males in whom testes fail to descend to the scrotum are generally infertile. Why?

Answer:

Question 10. Mention two advantages of lactational amenorrhea as a contraceptive method.

Answer:



Short Answer Questions

Question 1. Suggest some important steps that you would recommend to be taken to improve the reproductive health standards in India.

Answer:

Question 2. The procedure of GIFT involves the transfer of female gamete to the fallopian tube. Can gametes be transferred to the uterus to achieve the same result? Explain.

Answer:

Question 3. Copper ions-releasing IUDs are more efficient than non-medicated methods. Why?

Answer:

Question 4. What are the probable factors that contributed to population explosion in India?

Answer:

Question 5. Briefly explain IVFand ET What are the conditions in which these methods are advised?

Answer:

Question 6. What are the advantages of natural methods of contraception over artificial methods?

Answer:

Question 7. What are the conditions in which medical termination of pregnancy is advised?

Answer:

Question 8. Comment on the essential features required for an ideal contraceptive.

Answer:

Question 9. All reproductive tract infections RTIs are STDs, but all STDs are not RTIs. Justify with example.

Answer:



Long Answer Questions

Question 1. What are the Assisted Reproductive Techniques practised to help infertile couples? Describe any three techniques.

Answer:

Question 2. Discuss the mode of action and advantages/disadvantages of hormonal contraceptives.

Answer:

Question 3. STDs are a threat to reproductive health. Describe any two such diseases and suggest preventive measures.

Answer:

Question 4. Do you justify the statutory ban on aminocentesis in our country? Give reasons.

Answer:

Question 5. Enumerate and describe any five reasons for introducing sex education to school-going children.

Answer: