Human Reproduction Practice Test

12th Standard Zoology — Human Reproduction: Online Practice Test

Pick how many questions you want and set a time limit, then start. You'll get your score at the end with the correct answer and an explanation for every question. Free, in Tamil and English — 33 questions available.

Set up your test

Number of questions

Time limit

Time remaining00:00

The mature sperms are stored in the

A.Seminiferous tubules B.Vas deferens C.Epididymis D.Seminal vesicle

The male sex hormone testosterone is secreted from

A.Sertoli cells B.Leydig cells C.Epididymis D.Prostate gland

The glandular accessory organ which produces the largest proportion of semen is

A.Seminal vesicle B.Bulbourethral gland C.Prostate gland D.Mucous gland

The male homologue of the female clitoris is

A.Scrotum B.Penis C.Urethra D.Testis

The site of embryo implantation is the

A.Uterus B.Peritoneal cavity C.Vagina D.Fallopian tube

The foetal membrane that forms the basis of the umbilical cord is

A.Allantois B.Amnion C.Chorion D.Yolk sac

The most important hormone in initiating and maintaining lactation after birth is

A.Oestrogen B.FSH C.Prolactin D.Oxytocin

Mammalian egg is

A.Mesolecithal and non-cleidoic B.Microlecithal and non-cleidoic C.Alecithal and non-cleidoic D.Alecithal and cleidoic

The process which the sperm undergoes before penetrating the ovum is

A.Spermiation B.Cortical reaction C.Spermiogenesis D.Capacitation

Q10

The milk secreted by the mammary glands soon after child birth is called

A.Mucous B.Colostrum C.Lactose D.Sucrose

Q11

Colostrum is rich in

A.IgE B.IgA C.IgD D.IgM

Q12

The Androgen Binding Protein (ABP) is produced by

A.Leydig cells B.Hypothalamus C.Sertoli cells D.Pituitary gland

Q13

Find the wrongly matched pair

A.Bleeding phase - fall in oestrogen and progesterone B.Follicular phase - rise in oestrogen C.Luteal phase - rise in FSH level D.Ovulatory phase - LH surge

Q14

Assertion (A): In human male, testes are extra abdominal and lie in scrotal sacs. Reason (R): Scrotum acts as thermoregulator and keeps temperature lower by 2°C for normal sperm production.

A.A and R are true, R is the correct explanation of A B.A and R are true, R is not the correct explanation of A C.A is true, R is false D.Both A and R are false

Q15

Assertion (A): Ovulation is the release of ovum from the Graafian follicle. Reason (R): It occurs during the follicular phase of the menstrual cycle.

A.A and R are true, R is the correct explanation of A B.A and R are true, R is not the correct explanation of A C.A is true, R is false D.Both A and R are false

Q16

Assertion (A): Head of the sperm consists of acrosome and mitochondria. Reason (R): Acrosome contains spiral rows of mitochondria.

A.A and R are true, R is the correct explanation of A B.A and R are true, R is not the correct explanation of A C.A is true, R is false D.Both A and R are false

Q17

Painful menstruation is termed as

A.Dysmenorrhoea B.Menorrhagia C.Amenorrhoea D.Oligomenorrhoea

Q18

Which one of the following menstrual irregularities is correctly matched?

A.Menorrhagia - excessive menstruation B.Amenorrhoea - absence of menstruation C.Dysmenorrhoea - irregularity of menstruation D.Oligomenorrhoea - painful menstruation

Q19

Which extra-embryonic membrane forms the structural base for the umbilical cord and eventually becomes part of the urinary bladder?

A.Amnion B.Yolk sac C.Allantois D.Chorion

Q20

Which homologous glands in the female reproductive system are located on the anterior wall of the vagina and secrete lubricating fluid, corresponding to the male prostate gland?

A.Bartholin's glands B.Skene's glands C.Bulbourethral glands D.Vestibular glands

Q21

During oogenesis, at what stage of follicular development does the fluid-filled cavity called the antrum first appear?

A.Primary follicle B.Secondary follicle C.Tertiary follicle D.Graafian follicle

Q22

The descent of the foetus during childbirth causes dilation of the cervix, which initiates a neurohumoral reflex known as the:

A.Ferguson reflex B.Cushing reflex C.Myotatic reflex D.Withdrawal reflex

Q23

What is the term used to describe the first ejaculation of semen in adolescent males?

A.Menarche B.Orchidectomy C.Spermarche D.Azoospermia

Q24

Which of the following hormones is produced exclusively during pregnancy in human females?

A.Oestrogen B.Progesterone C.Prolactin D.Human chorionic gonadotropin (hCG)

Q25

Approximately how many hours after fertilization does the dividing embryo form a berry-shaped solid cluster of 16 or more cells called the morula?

A.24 hours B.48 hours C.72 hours D.96 hours

Q26

In a non-pregnant woman, what scar tissue is left behind in the ovary after the complete degeneration of the corpus luteum?

A.Corpus callosum B.Corpus albicans C.Graafian follicle D.Secondary oocyte

Q27

The middle piece of the human sperm contains mitochondria spirally twisted around the axial filament. This structure is known as the:

A.Acrosome B.Nebenkern C.Centriole D.Axoneme

Q28

What is the clinical term used to describe a menstrual cycle that is shorter than 21 days, which may be caused by anterior pituitary hyperactivity?

A.Amenorrhoea B.Polymenorrhoea C.Oligomenorrhoea D.Dysmenorrhoea

Q29

The outer thin membranous serous layer of the uterine wall is called the:

A.Endometrium B.Myometrium C.Perimetrium D.Epimetrium

Q30

Which enzyme is present in the acrosome of a human sperm to help it penetrate the outer layers of the ovum during fertilization?

A.Amylase B.Pepsin C.Hyaluronidase D.Lipase

Q31

What term refers to the surgical removal of the testes in males, also known as castration?

A.Orchidectomy B.Vasectomy C.Tubectomy D.Prostatitis

Q32

Which cells in the seminiferous tubules undergo mitotic divisions at puberty and continue to divide throughout a male's life?

A.Sertoli cells B.Interstitial cells C.Spermatogonia D.Leydig cells

Q33

What is the primary function of the scrotum in human males regarding spermatogenesis?

A.Hormone secretion B.Lubrication C.Thermoregulation D.Nutrient storage

More for this chapter

About this Human Reproduction test

This free online practice test covers Human Reproduction from the 12th Standard Zoology (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

More chapters in Zoology

View all