Human Reproduction Book Back Practice Test

12th Standard Zoology — Human Reproduction: Book Back Online Practice Test

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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

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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.

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