Custom Practice Test

Biology

1.

The hormone, essential for maintaining pregnancy, secreted in large amounts by the corpus luteum is:

1.	Estrogen
2.	Progesterone
3.	LH
4.	FSH

2.

Natural methods for contraception work on the principle of:

1.	Preventing fertilization
2.	Preventing implantation
3.	Preventing ovulation
4.	Preventing embryo development

3. Which of the following statements are correct regarding female reproductive cycle?

A.	In non-primate mammals, cyclical changes during reproduction are called oestrus cycle.
B.	First menstrual cycle begins at puberty and is called menopause.
C.	Lack of menstruation may be indicative of pregnancy.
D.	Cyclic menstruation extends between menarche and menopause.

Choose the most appropriate answer from the options given below:

1.	A, C and D only	2.	A and D only
3.	A and B only	4.	A, B and C only

4. During oogenesis, a polar body is formed:

I:	before fertilization.
II:	after fertilization.

1. Only I
2. Only II
3. Both I and II
4. Neither I nor II

5. Transfer of an ovum collected from a donor into the fallopian tube of another female who cannot produce one, but can provide suitable environment for fertilisation and further development is called as:
1. GIFT – gamete intra fallopian transfer
2. ZIFT – zygote intra fallopian transfer
3. SUZI – Sub Zonal insemination
4. HSG – Hystero Salpingo Graphy

6.

What maintains the functions of male sex accessory ducts and glands in humans?
1. Releasing hormones from the hypothalamus.
2. Pituitary gonadotropins.
3. Steroids from adrenal cortex.
4. Testicular androgens.

7. Saheli is:

1.	a copper releasing intra-uterine device
2.	combination oral contraceptive pill
3.	non-steroidal oral contraceptive pill developed by CDRI
4.	is an assisted reproductive technology centre located in New Delhi

8. Which the following are parts of oviducts in human females?
a. Cervix
b. Fimbriae
c. Infundibulum
d. Isthmus
1. Only a, b and c
2. Only b, c and d
3. Only a, b and d
4. a, b, c and d

9.

In human beings, at the end of 12 weeks (first trimester) of pregnancy, the following is observed:

1.	Eyelids and eyelashes are formed
2.	Most of the major organ systems are formed
3.	The head is covered with fine hair
4.	Movement of the fetus

10. The testes of a male child aged four years will have:

1.	primary spermatocytes	2.	immature sperms
3.	spermatogonia	4.	spermatids

11. How many of the diseases given below will be included under bacterial sexually transmitted infections?

Gonorrhoea, Syphilis, Genital herpes, Chlamydiasis,
Genital warts, Trichomoniasis, Hepatitis-B, HIV

1. 1
2. 2
3. 3
4. 4

12.

Consider the given two statements:

I:	Sexually transmitted infections can lead to pelvic inflammatory disease.
II:	Pelvic inflammatory disease increases the risk of ectopic pregnancy.

1.	Only I is correct
2.	Only II is correct
3.	Both I and II are correct
4.	Both I and II are incorrect

13. The incidences of sexually transmitted infections are reported to be very high among persons in the age group of:
1. 15-24 years
2. 26 – 35 years
3. 35-50 years
4. above 60 years

14. Also called as the birth hormone, which of the following is responsible for initiating labor and
contractions during childbirth?

1.	Estrogen	2.	Progesterone
3.	Oxytocin	4.	Prolactin

15.

The test-tube baby programme employs which one of the following techniques?

1.	Intra Cytoplasmic Sperm Injection (ICSI)
2.	Intra Uterine Insemination (IUI)
3.	Gamete Intra Fallopian Transfer (GIFT)
4.	Zygote Intra Fallopian Transfer(ZIFT)

16.

The secretory phase in the human menstrual cycle is also called?
1. Luteal phase and it lasts for about 13 days.
2. Follicular phase and it lasts for about 13 days.
3. Luteal phase and it lasts for about 6 days.
4. Follicular phase and it lasts for about 6 days.

17. What is the role of Luteinizing Hormone (LH) in males?

1.	It controls the production of FSH.
2.	It promotes spermatogenesis directly in the seminiferous tubules.
3.	It inhibits the production of androgens.
4.	It stimulates the Leydig cells to produce testosterone.

18. Epididymis lies between:
1. Vasa efferentia and Vas deferens
2. Seminiferous tubules and rete testis
3. Vas deferens and urethra
4. Rete testis and vasa efferentia

19. Consider the given two statements:

Assertion (A):	Oral contraceptive pills (OCPs) inhibit ovulation.
Reason (R):	OCPs contain synthetic estrogen and/or progestin, which suppress the release of FSH and LH necessary for ovulation.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A)
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

20.

In the ‘test–tube baby’ procedure:

1.	Fertilization is in-vitro but embryo development is in-vivo
2.	Fertilization is in-vivo but embryo development is in-vitro
3.	Both fertilization and embryo development are in-vitro
4.	Both fertilization and embryo development are in-vivo

21. Consider the given two statement:

Statement A:	In vitro fertilization (IVF) involves the fertilization of an egg by sperm outside the body.
Statement B:	IVF is followed by the transfer of the resulting embryo into the uterus.

1. Only Statement A is correct.
2. Only Statement B is correct.
3. Both Statement A and Statement B are correct.
4. Both Statement A and Statement B are incorrect.

22. Which of the following hormones is most important for supporting pregnancy in a human female?
1. LH
2. FSH
3. Progesterone
4. Estrogen

23. Which event occurs during the secretory phase of the menstrual cycle?
1. Regeneration of the endometrium
2. Development of the corpus luteum
3. Rapid growth of the ovarian follicles
4. Shedding of the endometrial lining

24. Match each item in Column-I with one in Column-II and select the correct match from the codes given:

	Column-I		Column-II
A.	Insemination	P.	embryonic development
B.	Implantation	Q.	transfer of sperms into the female genital tract
C.	Gestation	R.	delivery of the baby
D.	Parturition	S.	attachment of blastocyst to the uterine wall

Codes:

	A	B	C	D
1.	Q	S	R	P
2.	S	Q	R	P
3.	Q	S	P	R
4.	S	Q	P	R

25. LH surge during the menstrual cycle is due to a positive feedback involving:

1.	Oestrogen	2.	Progesterone
3.	FSH	4.	hCG

26. Regarding IUDs:
a: They are effective contraceptives
b: IUDs increase phagocytosis reaction in the uterus
c: IUDs suppress gametogenesis
d: IUDs once inserted need not be replaced
1. Only a and b are correct
2. Only c and d are correct
3. Only a and c are correct
4. Only b and d are correct

27. How many of the given statements regarding human embryonic development at various months of pregnancy are correct?

I:	After one month of pregnancy, the embryo’s heart is formed.
II:	The first sign of growing foetus may be noticed by listening to the heart sound carefully through the stethoscope after one month.
III:	By the end of the second month of pregnancy, the foetus develops limbs and digits.
IV:	By the end of 12 weeks (first trimester), most of the major organ systems are formed.
V:	The first movements of the foetus and appearance of hair on the head are usually observed during the fifth month.
VI:	By the end of about 24 weeks (end of second trimester), the body is covered with fine hair, eye-lids separate, and eyelashes are formed.

1.	3	2.	4
3.	5	4.	6

28. How does a copper-releasing IUD act as a contraceptive?

1.	By preventing the implantation of the embryo in the uterus
2.	By inhibiting ovulation
3.	By increasing the thickness of cervical mucus
4.	By suppressing sperm motility and their fertilising capacity

29. Which of the following Intrauterine devices are most likely to make the uterus unsuitable for implantation and the cervix hostile to the sperms?
1. Lippes loop
2. Multiload 375
3. Progestasert
4. Cu T

30. At the time of puberty, the ovary in a female contains:

1.	primary follicles with primary oocyte arrested at prophase I of meiosis I
2.	secondary follicles with primary oocyte arrested at prophase I of meiosis I
3.	primary follicles with primary oocyte arrested at metaphase II of meiosis II
4.	mature Graafian follicle with a completely mature ovum

31.

A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is?
1. Gamete Inseminated Fallopian Transfer
2. Gamete Intra Fallopian Transfer
3. Gamete Internal Fertilisation and Transfer
4. Germ Cell Internal Transfer

32. Which steroidal hormone is mainly responsible for the development and maintenance of female secondary sexual characteristics?
1. estrogen
2. progesterone
3. adrenal androgen
4. gonadotropin

33. Match each item in Column I with one in Column II and select the correct match from the codes given:

	Column I		Column II
A.	Birth canal	P.	oviducts (fallopian tubes), uterus and vagina
B.	Female accessory ducts	Q.	cervical canal and vagina
C.	Myometrium	R.	undergoes cyclical changes during menstrual cycle
D.	Endometrium	S.	exhibits strong contraction during delivery of the baby

Codes:

	A	B	C	D
1.	P	Q	R	S
2.	P	Q	S	R
3.	Q	P	R	S
4.	Q	P	S	R

34. Oral contraceptive combination pills:

I:	Inhibit ovulation
II:	May prevent implantation
III:	Retard passage of sperms through the cervix

1.	Only I and II are correct
2.	Only I and III are correct
3.	Only II and III are correct
4.	I, II and III are correct

35.

Leydig cells in the testes:

I:	synthesise and secrete testicular hormones called androgens
II:	are located in regions outside the seminiferous tubules

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

36. Consider the two statements:

Assertion(A):	Periodic abstinence is the method of natural contraception in which the couples avoid or abstain from coitus from day 10 to 17 of the menstrual cycle.
Reason(R):	Implantation is expected to take place from day 10 to 17 of the menstrual cycle.

1.	Both (A) and (R) are True but (R) does not correctly explain (A).
2.	(A) is True but (R) is False.
3.	Both (A) and (R) are False.
4.	Both (A) and (R) are True and (R) correctly explains (A).

37. Consider the two statements:

Assertion (A):	As long as the mother breast-feeds the child fully, chances of conception are almost nil upto six months following parturition.
Reason (R):	Although ovulation occurs, the endometrium does not undergo any change during the period of intense lactation following parturition.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

38. Identify the correct sequence of processes that happen in an adult female leading to childbirth:

1.	fertilisation → implantation → gestation → ovulation → parturition
2.	ovulation → fertilisation → implantation → gestation → parturition
3.	implantation → ovulation → gestation → fertilisation → parturition
4.	menstruation → fertilisation → ovulation → gestation → parturition

39. For effective contraception, oral contraceptive pills are started:

1.	within the first five days of menstrual cycle
2.	during the proliferative phase of menstrual cycle
3.	around the time of ovulation
4.	anytime in the luteal phase of menstrual cycle

40. Medical Termination of Pregnancy is:

1.	Legalized abortion
2.	Surgical method for sterilisation
3.	Most common contraceptive strategy used in our country
4.	Abortions due to negligence of medical professionals

41.

The permissible use of the technique amniocentesis is for:

1.	detecting sex of the unborn foetus
2.	artificial insemination
3.	transfer of the embryo into the uterus of a surrogate mother
4.	detecting any genetic abnormality

42.

What ensures that only one sperm can fertilize the ovum?
1. Corona Radiata
2. Ground substance around ovum
3. Zona pellucida
4. Acrosome

43.

Match the following and choose the correct option:

	Column I		Column II
A.	Trophoblast	i.	Embedding of blastocyst in the endometrium
B.	Cleavage	ii.	Group of cells that would differentiate as embryo
C.	Inner cell mass	iii.	Outer layer of blastocyst attached to the endometrium
D.	Implantation	iv.	Mitotic division of zygote

1. A-ii, B-i, C-iii, D-iv
2. A-iii, B-iv, C-ii, D-i
3. A-iii, B-i, C-ii, D-iv
4. A-ii, B-iv, C-iii, D-i

44. The mature follicle in the ovary is called as:
1. Atretic follicle
2. Graafian follicle
3. Antral follicle
4. Tertiary follicle

45. Which of the following sexually transmitted infection is caused by a bacterium and is curable if diagnosed early?

1.	Syphilis	2.	HIV
3.	Genital herpes	4.	Trichomoniasis

46.

Select the hormone-releasing Intra-Uterine Devices.

1.	Lippes Loop, Multitoad 375
2.	Vaults, LNG-20
3.	Multiload 375, Progestasert
4.	Progestasert, LNG-20

47. Tubectomy and Vasectomy are:

1.	highly effective and easily reversible methods of contraception
2.	highly effective but poorly reversible methods of contraception
3.	ineffective but easily reversible methods of contraception
4.	ineffective and poorly reversible methods of contraception

48.

As per the provisions of The Medical Termination of Pregnancy (Amendment) Act, 2017, under ordinary circumstances, a pregnancy may be terminated maximum up to:
1. 12 weeks of pregnancy
2. 20 weeks of pregnancy
3. 24 weeks of pregnancy
4. 28 weeks of pregnancy

49. How do oral contraceptive pills primarily prevent pregnancy?

1.	They prevent the implantation of the embryo in the uterus.
2.	They inhibit gonadotropins and thus causes gonads to regress in size.
3.	They inhibit ovulation by suppressing the secretion of FSH and LH from the anterior pituitary.
4.	They suppress the motility of sperms.

50. Consider the given two statements:

Assertion (A):	Periodic abstinence is considered a natural method of contraception.
Reason (R):	It relies on abstaining from sexual intercourse during the fertile period of the menstrual cycle.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

51. Lactation for an infant is very important, primarily because:

1.	It provides necessary hormones for infant growth.
2.	It delivers essential nutrients and antibodies to the infant.
3.	It is important for the mother's health, not the infant's.
4.	It helps in the digestion of solid foods.

52. Consider the two statements

I:	Sertoli cells divide meiotically to produce sperms
II:	Leydic cells secrete androgens when stimulated by FSH

1.	Only I is correct
2.	Only II is correct
3.	Both I and II are correct
4.	Both I and II are incorrect

53. Several hormones like hCG, hPL, oestrogen, and progesterone are produced by:
1. ovary
2. placenta
3. fallopian tube
4. pituitary

54. Artificial insemination is primarily used for:

1.	To introduce genetic material from another species.
2.	To overcome infertility due to low sperm motility.
3.	To stimulate multiple ovulations.
4.	To prevent sexually transmitted diseases.

55.

Which of the following sexually transmitted diseases is not completely curable?

1.	Chlamydiosis	2.	Gonorrhoea
3.	Genital warts	4.	Genital herpes

56. The innermost layer of the wall of uterus

I:	is the perimetrium.
II:	has smooth muscles that help in parturition.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

57. Which of the following will not be a valid ground for Medical Termination of Pregnancy under the Medical Termination of Pregnancy (Amendment) Act, 2017?

1.	The continuation of the pregnancy would involve a risk to the life of the pregnant woman or of grave injury to physical or mental health.
2.	There is a substantial risk that if the child were born, it would suffer from such physical or mental abnormalities as to be seriously handicapped.
3.	Prenatal sex determination has determined the foetus to be female.
4.	Pregnancy as a result of sexual assault.

58. Hormones secreted by human placenta include:
a. hCG
b. Estrogens
c. Progesterone
d. LH
1. Only a, b and c
2. Only a, c and d
3. Only a, b and d
4. a, b, c and d

59.

Consider the following statements:

I:	The primary follicles present at birth carry primary oocytes arrested at meiosis I.
II:	The secondary oocyte arrested at meiosis II is released at ovulation.
III:	The second meiotic division is completed by the secondary oocyte just prior to the entry of the sperm into it.

Which of the above statements are true?

1.	I and II only	2.	I and III only
3.	II and III only	4.	I, II, and III

60. Which of the following statements about Saheli, the oral contraceptive pill, is true?

1.	It is a once-a-week pill containing high doses of estrogen.
2.	It is a daily pill that works by suppressing ovulation through the administration of progesterone only.
3.	It is a non-steroidal pill, taken once a week, known for its fewer side and high contraceptive value.
4.	It functions primarily by altering the cervical mucus, making it impermeable to sperm.

61. The combination pill works mainly by directly preventing:
1. ovulation
2. menstruation
3. fertilisation
4. implantation

62. What is the primary composition of seminal plasma?
1. Spermatozoa and enzymes
2. Fructose, enzymes, and prostaglandins
3. Only spermatozoa and fructose
4. Proteins and spermatozoa

63. Consider the given two statements:

Statement I:	The three germ layers [ectoderm, mesoderm and endoderm] give rise to all tissues (organs) in adults.
Statement II:	The inner cell mass contains certain cells called stem cells which have the potency to give rise to all the tissues and organs.

1.	Statement I is correct; Statement II is incorrect
2.	Statement I is incorrect; Statement II is correct
3.	Statement I is correct; Statement II is correct
4.	Statement I is incorrect; Statement II is incorrect

64. Consider the given two statements:

Assertion (A):	The government of India has banned the use of amniocentesis for sex determination.
Reason (R):	Amniocentesis is a prenatal diagnostic technique that can also be used to detect chromosomal abnormalities in the fetus.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

65. Which of the following surgical procedures is used as a contraceptive method?

1.	Ovariectomy	2.	Hysterectomy
3.	Vasectomy	4.	Castration

66.

Signals from a fully developed foetus and placenta ultimately lead to parturition which requires the release of:
1. Oxytocin from the maternal pituitary
2. Oxytocin from foetal pituitary
3. Relaxin from the placenta
4. Estrogen from the placenta

67. Refer to the diagram below which illustrates a cross-sectional view of the human male reproductive system. Identify the structure labelled 'X' and select the correct function associated with it.

1.	X is the Seminal Vesicle; its function is to produce spermatozoa.
2.	X is the Prostate Gland; its function is to secrete prostate fluid, one of the components of semen.
3.	X is the Epididymis; its function is the storage and maturation of sperm.
4.	X is the Bulbourethral Gland; its function is to produce pre-ejaculate fluid that lubricates the urethra.

68. According to The Medical Termination of Pregnancy (Amendment) Act, 2017:

I:	a pregnancy may be terminated on certain considered grounds within the first 12 weeks of pregnancy on the opinion of one registered medical practitioner.
II:	if the pregnancy has lasted more than 12 weeks, but fewer than 20 weeks, two registered medical practitioners must be of the opinion, formed in good faith, that the required ground for termination of pregnancy exist.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

69. Sexually transmitted infections (STIs) can be characterized by:

1.	Being always symptomatic with clear physical manifestations
2.	Only affecting individuals with multiple sexual partners
3.	The possibility of being asymptomatic, making them harder to diagnose without testing
4.	Always causing infertility in both males and females

70. Identify the incorrect statement regarding fallopian tubes:

1.	Infundibulum possesses fimbriae
2.	Fertilization takes place in the narrowest part of fallopian tube called ampulla
3.	Isthmus joins the uterus
4.	It is lined with ciliated epithelium

71. Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):

Assertion (A):	FSH acts upon ovarian follicles in female and Leydig cells in male.
Reason (R):	Growing ovarian follicles secrete estrogen in female while interstitial cells secrete androgen in male human being.

In the light of the above statements, choose the correct answer from the options given below:

1.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
2.	(A) is True but (R) is False
3.	(A) is False but (R) is True
4.	Both (A) and (R) are True and (R) is the correct explanation of (A).

72.

The correct sequence of male sex accessory ducts beginning from testis would be:

1.	rete testis → vasa efferentia → epididymis → vas deferens
2.	rete testis → vas deferens → vasa eﬀerentia → epididymis
3.	vas deferens → vasa eﬀerentia → epididymis → rete testis
4.	vasa efferentia → vasa deferens → epididymis → rete testis

73. How do oral contraceptive pills generally function?

1.	They prevent implantation of the embryo.
2.	They alter the cervical mucus to inhibit sperm entry.
3.	They induce a premature hormonal menopause.
4.	Both (1) and (2) are correct.

74. The changes in the ovary and the uterus during menstrual cycle are induced by changes in the levels of pituitary and ovarian hormones, where:

I:	The secretion of gonadotropins (LH and FSH) increases gradually during the follicular phase, and stimulates follicular development as well as secretion of estrogens by the growing follicles.
II:	Both LH and FSH attain a peak level in the middle of cycle (about 14th day).

1.	Only I is correct
2.	Only II is correct
3.	Both I and II are correct
4.	Both I and II are incorrect

75.

What is transferred into the fallopian tube in ZIFT?

1.	Zygote only
2.	Embryos with more than 8 blastomeres
3.	Zygote or embryos with up to 8 blastomeres
4.	All of the above can be transferred during ZIFT

76. Which of the following is responsible for prevention of the occurrence of polyspermy?
1. The acrosomal membrane
2. The oolemma
3. zona pellucida
4. corona radiata

77. Which of the following cell divisions result in the formation of unequal daughter cells?
A. Meiosis I in primary spermatocyte
B. Meiosis I in primary oocyte
C. Meiosis II in secondary oocyte
D. Meiosis II in secondary spermatocyte

1.	Only A and B	2.	Only B and C
3.	Only C and D	4.	Only A and D

78.

Identify the correct statement regarding the Medical Termination of Pregnancy Act in India:

1.	Legalized in 1971, the amendment act was enacted in 2017.
2.	The recommendation of two registered medical practitioners is mandatory in all cases where MTP is allowed.
3.	Selective abortions after amniocentesis are legalized in India.
4.	MTP is not allowed even if there is a substantial risk of serious handicap in the child.

79. The glycoprotein layer surrounding the secondary oocyte is known as:

1.	corona radiata	2.	oolemma
3.	zona pellucida	4.	chorion

80.

Consider the following statements:
The combination contraceptive pills
A: Inhibit ovulation.
B: Inhibit implantation.
1. Only A is correct.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.

81. Identify the incorrect statement related to ARTs.

1.	Artificial Insemination (AI) involves the direct injection of sperm into a woman's uterus.
2.	In Zygote Intrafallopian Transfer (ZIFT), the zygote is transferred into the fallopian tube.
3.	Gamete Intrafallopian Transfer (GIFT) involves the transfer of an embryo into the fallopian tube to enhance the chances of fertilization.
4.	In vitro fertilization (IVF) involves fertilization outside the body followed by embryo transfer to the uterus.

82.

In the given diagram, identify A, B, C, and D respectively:

1.	LH, FSH, Progesterone and Estrogen
2.	FSH, LH, Estrogen and Progesterone
3.	Estrogen, Progesterone, LH and FSH
4.	Progesterone, Estrogen, FSH and LH

83.

Cu ions released from copper-releasing Intra Uterine Devices (IUDs):

1.	make the uterus unsuitable for implantation
2.	increase phagocytosis of sperms
3.	suppress sperm motility
4.	prevent ovulation

84.

How do barrier methods of contraception work?

1.	They prevent pregnancy by altering the hormonal balance within the body.
2.	They prevent the sperm from reaching the egg by providing a physical barrier.
3.	They enhance the immune response against sperm.
4.	They induce changes in the uterine lining to prevent implantation.

85. The secondary oocyte completes the second meiotic division:

1.	At the time of insemination
2.	At puberty
3.	At the time of fusion of a sperm with an ovum
4.	Just before birth

86. Luteinizing hormone:

I:	acts at the Leydig cells and stimulates synthesis and secretion of androgens.
II:	acts on the Sertoli cells and stimulates secretion of some factors which help in the process of spermiogenesis.

1.	Only I is correct	2.	Only II is correct
3.	Both I and II are correct	4.	Both I and II are incorrect

87.

Consider the given two statements:

Statement I:	Lactational amenorrhea is a natural method for contraception.
Statement II:	Lactational amenorrhea method is based on the fact that ovulation and therefore the cycle do not occur during the period of intense lactation following parturition.

1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct

88. Spermatogenesis starts at the age of puberty due to significant increase in the secretion of:

1.	LH by anterior pituitary	2.	Inhibin by Sertoli cells
3.	GnRH by hypothalamus	4.	Androgens by Leydig cells

89. Assisted Reproductive Technologies (ART):

1.	assist the couple to have children
2.	are financed by the Government to develop newer contraceptives
3.	mean the contraceptive devices that can be put in place only by medical professionals
4.	assist the couple to find out any chromosomal anomaly in the developing foetus

90.

Consider the given two statements:

I:	Infertility cases either due to inability of the male partner to inseminate the female or due to very low sperm counts in the ejaculates, could be corrected by artificial insemination (AI) technique.
II:	In this technique, the semen collected either from the husband or a healthy donor is artificially introduced either into the vagina or into the uterus (IUI – intra-uterine insemination) of the female.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

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