CBSE Class 12 Biology Reproductive Health VBQs

Question. Which statement is correct for natural methods of contraception?
(a) They increase phagocytosis of sperms
(b) They employ barriers to prevent fertilisation
(c) They are surgical methods and are terminal methods
(d) They are natural ways of avoiding chances of fertilisation
Answer : D

Question. 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 transferred to the uterus
Answer : B

Question. The method of directly injecting a sperm into ovum is assisted by reproductive technology is called
(a) GIFT
(b) ZIFT
(c) ICSI
(d) ET
Answer : C

Question. Diaphragms are the contraceptive devices, used by the females.
I. They are introduced into the uterus.
II. They are placed to cover the cervical region.
III. They act as physical barriers to the sperm entry.
IV. They act as spermicidal agents.
Choose the correct statements.
(a) I and II
(b) I and III
(c) II and III
(d) III and IV
Answer : C

Question. Consider the following statements for IUD and choose the correct option.
(a) Increases phagocytosis of sperms
(b) Releases Cu2+ ions, suppresses the sperm motility
(c) Reduces the fertilising capacity of sperms
(d) All of the above
Answer : D

Question. Which of the following statements are correctly associated with Saheli?
I. It is a ‘once a week’ pill with very few side effects.
II. This contraceptive was a developed atCDRI Lucknow.
III. Saheli is an oral pill containing a steroidal preparation.
IV. This oral contraceptive is known to cause multiple side effects in womenand has low contraceptive value.
(a) III and IV
(b) I and II
(c) I, II and III
(d) All of these
Answer : B

Question. Identify the correct statements about lactational amenorrhea.
I. Ovulation does not occur during the lactational period.
II. Chances of the failure of contraception are almost nil up to six months following parturition.
III. Side effects are almost nil.
IV. It is a natural method of contraception.
V. It increases phagocytosis of sperms.
(a) II, III, IV and V
(b) All except V
(c) I, III, IV and V
(d) All of these
Answer : B

Question. Which of the following is incorrect regarding vasectomy? 
(a) No sperm occurs in seminal fluid
(b) No sperm occurs in epididymis
(c) Vasa deferentia is cut and tied
(d) Irreversible sterility
Answer : B

Question. Identify the false statement from the below statements.
(a) Genital herpes and hepatitis-B are sexually transmitted diseases caused by virus
(b) Syphilis is an STD caused by bacterium Treponema pallidum
(c) In India, there is rapid decline in infant mortality rate and MMR
(d) Genital warts is a sexually transmitted disease caused by herpes virus
Answer : D

Question. STDs lead to the
I. minor complications like itching, fluid discharge,slight pain, swellings.
II. major complications like pelvic inflammatory diseases ectopic pregnancies.
III. problems like infertility, abortions.
IV. cancer of the reproductive tract.
Choose the correct option.
(a) I, II and IV
(b) I, II and III
(c) I, III and IV
(d) All of these
Answer : D

Question. Which of the following statements are correct?
I. MTPsare generally advised during first trimester.
II. MTP(Amendment) Act, 2017 was enacted by the government of India to reduce illegal abortions.
III. Government of India legalisedMTPin 1971.
IV. MTPduring the second trimester can be done in case where the child after birth would suffer from some physical or mental abnormalities.
(a) I, II, III, IV and V
(b) I, II, III, V and VI
(c) I, III, IV, V and VI
(d) All of these
Answer : D

Question.  Identify the correct statements.
(a) Infertility is the inability to produce viable offspring due to the defects in the female or male partner
(b) Lactation have no role in preventing conception
(c) Abstaining from coitus from day 10-17 of menstrual cycle when ovulation is expected constitutes natural method of contraception
(d) Both (a) and (c)
Answer : D

Question. Which of the following statements is incorrect about ZIFT?
(a) Zygote in the Fallopian transfer
(b) Type of IVF
(c) Embryo with more than 8 blastomeres are used
(d) Zygote or embryo with up to 8 blastomeres are used
Answer : C

Question. Select the statement which is not a cause of population growth.
(a) Decline in death rate
(b) Rapid increase in MMR and IMR
(c) Rapid decline in MMR and IMR
(d) Increase in the number of people in the reproductive age group
Answer : B

Question. Identify the incorrect statement(s) from those given below.
(a) RCH programmes created awareness among people about various reproduction related aspects
(b) Sexually transmitted diseases can be avoided by educating people with proper information about reproduction, adolescence and related changes, etc.
(c) Ultrasounds have been banned as it was used for foetal sex-determination based on chromosomal studies
(d) All of the above
Answer : C

Question. Select the correct statement(s) which includes the steps implemented by government to control the increasing population.
(a) Increasing the price of contraceptives so they are available to all
(b) Advertising the benefits of small family, slogans like, ‘hum do hamare do’, etc.
(c) Raising the marriageable age, females 18 years, males 21 years
(d) Both (b) and (c)
Answer : D

Question. Which statement is false for GIFT?
(a) It is Gamete Intra Fallopian Transfer
(b) Ovum is transferred into the oviduct
(c) Zygote is transferred into Fallopian tube
(d) Used when the receptive is sterile
Answer : C

Question. Choose the correct matched statements from the following.
I. IUT – Embryo is transferred into the uterus after in vitro fertilisation.
II. GIFT – Gametes are collected and injected in the Fallopian tube.
III. AI – Taking semen from donor and transferring it into female genital tract.
IV. ZIFT – Zygote inserted into the Fallopian tube.
V. ICSI – One sperm transferred into the ovum.
(a) I, II and III
(b) II, III and IV
(c) III, IV and V
(d) I, II, III, IV and V
Answer : D

Question. Choose the WHOs statement about reproductive health.
I. Healthy reproductive organs with normal functions.
II. Total well-being of physical, emotional, behavioural and social aspects.
III. Free of allSTD.
(a) I and II
(b) I and III
(c) II and III
(d) Only II
Answer : D

Question. What is true for an ideal contraceptive?
I. It should be user-friendly.
II. It should be easily available.
III. It should be effective and reversible with least side effects.
IV. It should be interfering in coitus.
V. It should be expensive and effective.
Choose the correct option.
(a) I, IV and III
(b) I, IV and V
(c) I, II and III
(d) II, IV and V
Answer : C

Question. Which statements show the correct purpose of contraceptive pills?
I. They inhibit ovulation and implantation.
II. They alter the quality of cervical mucus to prevent or retard the entry of sperms.
III. They prevent the ejaculated semen from entering the female vagina.
IV. They inhibit spermatogenesis.
(a) I, II and IV
(b) I, II and III
(c) I and II
(d) I, II, III and IV
Answer : C

Question. Identify the false statements regarding the techniques of contraception.
I. There are manyside effects of tubectomy and vasectomy.
II. Purpose of tubectomy is to prevent egg formation.
III. The most important component of the oral contraceptive pills is progesterone.
IV. Contraceptive oral pills help in birth control by preventing ovulation.
(a) I, II and III
(b) I and II
(c) III, IV and II
(d) II and IV
Answer : B

Question. Find out the correct statements about tubectomy.
I. The failure rate of this approach is almost zero per cent.
II. It is also known as tubal ligation.
III. It is more difficult than vasectomy and is even more difficult to reverse.
(a) I and II
(b) II and III
(c) I and III
(d) All of these
Answer : D

Question. Consider the following statements and choose the correct statements.
I. Numerous children have been produced by in vitro fertilisation but with some abnormalities.
II. Chances of conception are nil until mother breastfeeds the child for two years.
III. Birth control pills are likely to cause cardiovascular problems due to oestrogen present in them.
IV. Emergency contraceptive pills maybe taken within 72 hours of coitus to prevent conception.
(a) III and IV
(b) I and III
(c) I and II
(d) II and III
Answer : A

Question. Which of the following given statements are not correct?
I. Astatutory ban has been implemented on amniocentesis because of its regular misuse.
II. Surgical methods are also called sterilisation as they block the release of gametes into secretions.
III. All sexually transmitted diseases are completely curable.
IV. MTPsare relatively safe up to 20 weeks of pregnancy.
(a) I and III
(b) III and IV
(c) II and III
(d) I and II
Answer : B

Question. Emergency contraceptives are effective if used within 72 hrs of
(a) coitus
(b) ovulation
(c) menstruation
(d) implantation
Answer : A

Question. The correct surgical procedure as a contraceptive method is
(a) ovariectomy
(b) hysterectomy
(c) vasectomy
(d) castration
Answer : C

Question. Which of the following statements are false?
I. Abortions could happen spontaneously too.
II. Oral pills are very popular contraceptives among the rural women.
III. Removal of gonads can be considered as a contraceptive option.
IV. Sex education is necessary in schools.
V. Amniocentesis for sex-determination is banned in our country.
Correct option is
(a) I, II and III
(b) II, III and IV
(c) III, IV and V
(d) II and III
Answer : D

Question. To avoid transmission of STDs.
I. Avoid sex with multiple partners.
II. Always have unprotected sex.
III. Use condoms during coitus.
IV. Avoid sex with unknown partners.
V. Avoid sharing of needles.
Choose the correct option.
(a) I and II
(b) II, III and IV
(c) I and III
(d) I, III, IV and V
Answer : D

Question. 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 : A

Question. 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 : C

Question. Intensely lactating mothers do not generally conceive due to the
(a) suppression of gonadotropins
(b) hypersecretion of gonadotropins
(c) suppression of gametic transport
(d) suppression of fertilisation
Answer : A

Question. Sterilisation techniques are generally foolproof 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/drive.
III. it is a surgical procedure.
IV. of lack of sufficient facilities in manyparts 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 : A

Question. Following statements are given regarding MTP.
Choose the correct option given below.
I. MTPsare generally advised during first trimester.
II. MTPsare used as a contraceptive method.
III. MTPsare always surgical.
IV. MTPsrequire the assistance of qualified medical personnel.
Codes
(a) I and III
(b) II and III
(c) I and IV
(d) I and II
Answer : C

Question. Condoms are one of the most popular contraceptives because 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 : D

Question. 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 and IV
Answer : C

Question. 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 : B

Question. From the sexually transmitted diseases mentioned below, identify the one which does not specifically affect the sex organs.
(a) Syphilis
(b) AIDS
(c) Gonorrhoea
(d) Genital warts
Answer : B

 I. Assertion and Reason
Directions (Q. No. 73-89) In each of the following questions, a statement of Assertion (A) is given followed by corresponding statement of Reason (R). Of the statements, mark the correct answer as
(a) If both A and R are true and R is the correct explanation of A
(b) If both A and R are true, but R is not the correct explanation of A
(c) If A is true, but R is false
(d) If A is false, but R is true

Question. Assertion (A) Use of condoms is a safeguard against AIDS and sexual diseases besides preventing pregnancy.
Reason (R) Certain contraceptives are planted under the skin of the upper arm to prevent pregnancy.
Answer : B

Question. Assertion (A) Syphilis, chlamydiasis, Genital herpes and trichomoniasis are STIs.
Reason (R) Their incidences are reportedly high in people belonging 15-24 years age groups.
Answer : B

Question. Assertion (A) Both male and female can be infertile.
Reason (R) Infertile couples can have children with the help of ARTs.
Answer : B

Question. Assertion (A) In zygote intra Fallopian transfer, the zygote is transferred to the Fallopian tubes of the female.
Reason (R) ZIFT is an in vivo fertilisation method.
Answer : C

Question. Assertion (A) Artificial insemination is method of introduction of semen inside the female.
Reason (R) This technique is used in those cases where males have low sperm count. 
Answer : A