Question 1

Select the correct sequence for transport of sperm cells in male reproductive system.

Accepted Answer

Seminiferous tubules → Rete testis → Vasaefferentia → Epididymis → Vas deferens → Ejaculatory duct → Urethra → Urethral meatus

Answer

(d) Seminiferous tubules → Vasa efferentia → Epididymis→ Inguinal canal → Urethra

Answer

(b) Testis → Epididymis → Vasa efferentia →Rete testis → Inguinal canal → Urethra

Answer

(a) Testis → Epididymis → Vasa efferentia →Vas deferens → Ejaculatory duct → Inguinal canal → Urethra → Urethral meatus

Question 2

Which of the following depicts the correct pathway of transport of sperms?

Accepted Answer

(b) Retetestis → Epididymis → Vas deferens →Ejaculatory duct

Answer

(a) Rete testis → ductules → Epididymis → Vas deferens

Answer

(c) Rete testis → Vas deferens → Efferentductules → Epididymis

(d) Efferent ductules → Rete testis → Vasdeferens → Epididymis

Answer

(b) Rete testis → Epididymis → Vas deferens → Ejaculatory duct

Question 3

The shared terminal duct of the reproductive and urinary system in the human male is

Accepted Answer

(a) urethra

Answer

(d) vasa efferentia.

Answer

(c) vas deferens

Answer

(b)ureter

Question 4

The Leydig’s cells as found in the human body are the secretory source of

Accepted Answer

(d) androgens.

Answer

(c) glucagon

Answer

(a) progesterone `

Answer

(b) intestinal mucus

Question 5

If for some reason, the vasa efferentia in the human

reproductive system get blocked, the gametes will not be transported from

Accepted Answer

(a) testes to epididymis

Answer

(d) vagina to uterus.

Answer

(c) ovary to uterus

Answer

(b) epididymis to vas deferens

Question 6

The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum.The purpose served is for

Accepted Answer

(a) maintaining the scrotal temperature lower than the internal body temperature

Answer

(c) providing more space for the growth of epididymis

Answer

(b) escaping any possible compression by the visceral organs

Answer

(d) providing a secondary sexual feature for exhibiting the male sex.

Question 7

Sertoli cells are found in

Accepted Answer

(c) seminiferous tubules and provide nutrition to

germ cells

Answer

(d) pancreas and secrete cholecystokinin.

Answer

(b) adrenal cortex and secrete adrenaline

Answer

(a) ovaries and secrete progesterone

Question 8

Vasa efferentia are the ductules leading from

Accepted Answer

(b) rete testis to vas deferens

Answer

(c) vas deferens to epididymis

Answer

(a) testicular lobules to rete testis

Answer

(d) epididymis to urethra.

Question 9

Seminal plasma in human males is rich in

Accepted Answer

(a) fructose and calcium

Answer

(d) ribose and potassium.

Answer

(b) glucose and calcium

Answer

(c) DNA and testosterone

Question 10

Secretions from which one of the following are rich in fructose, calcium and some enzymes?

Accepted Answer

(a) Male accessory glands

Answer

(c) Pancreas

Answer

(b) Liver

Answer

(d) Salivary glands

Question 11

Seminal plasma in humans is rich in

Accepted Answer

(d) fructose,calcium and certain enzyme

Answer

(a) fructose and calcium but has no enzymes

Answer

(b) glucose and certain enzymes but has no calcium

Answer

(c) fructose and certain enzymes but poor in calcium

Question 12

Male hormone is produced in the testis by cells of

(a) Sertoli (b)epithelial

(c) spermatocytes (d) Leydig.

Accepted Answer

(d) Leydig.

Question 13

Location and secretion of Leydig’s cells are

Accepted Answer

(c) testis-testosterone

Answer

(a) liver-cholesterol

Answer

(b) ovary-estrogen

Answer

(d) pancreas-glucagon.

Question 14

Hysterectomy is surgical removal of

Accepted Answer

(c) uterus

Answer

(d)prostate gland.

Answer

(b) mammary glands

Answer

(a) vas deferens

Question 15

The figure given below depicts a diagrammatic sectional view of the human female reproductive system. Which set of three parts out of 1-5 have been correctly identified?

Accepted Answer

(b) (1)Oviduct (4) uterus (5) vagina

Answer

(d) (1) Perimetrium, (2) Myometrium, (3)Fallopian tube

Answer

(a) (2) Endometrium, (3) Infundibulum, (4) Fimbriae

Answer

(c) (4) Oviducal funnel, (5) Uterus, (5)Cervix

Question 16

The part of Fallopian tube closest to the ovary is

Accepted Answer

(b) infundibulum

Answer

(a) isthmus

Answer

(d) ampulla.

Answer

(c) cervix

Question 17

Bartholin’s glands are situated

Accepted Answer

(c) on either side of vagina in humans

Answer

(d) on either side of vas deferens in humans

Answer

(a) on the sides of the head of some amphibians

Answer

(b) at the reduced tail end of birds

Question 18

Meiotic division of the secondary oocyte is completed

Accepted Answer

(d) at the time of fusion of a sperm with an ovum

Answer

(c) after zygote formation

Answer

(a) prior to ovulation

Answer

(b) at the time of copulation

Question 19

The difference between spermiogenesis and spermiation is

Accepted Answer

(d) in spermiogenesis spermatozoa are formed,while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.

Answer

(b) in spermiogenesis spermatozoa are formed,while in spermiation spermatids are formed

Answer

(a) in spermiogenesis spermatids are formed,while in spermiation spermatozoa are formed

Answer

(c) in spermiogenesis spermatozoa fromSertoli cells are released into the cavity of seminiferous tubules, while inspermiation spermatozoa are formed

Question 20

Which of the following layers in an antral follicle is a cellular?

Accepted Answer

(b) Zona pellucida

Answer

(c) Granulosa

Answer

(a) Stroma

Answer

(d)Theca interna

Question 21

Which of the following cells during gametogenesis is normally diploid ?

Accepted Answer

(a) Spermatogonia

Answer

(b) Secondary polar body

Answer

(c) Primary polar body

Answer

(d) Spermatid

Question 22

What is the correct sequence of sperm formation?

Accepted Answer

(b) Spermatogonia, spermatocytes, spermatids, spermatozoa

Answer

(d) Spermatogonia, spermatocytes,spermatozoa, spermatids

Answer

(c) Spermatids, spermatocytes, spermatogonia,spermatozoa

Answer

(a) Spermatogonia, spermatozoa,spermatocytes, spermatids

Question 23

The figure shows a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic.

Accepted Answer

(a) B- Corpus luteum - Secretes progesterone

Answer

(d) A- Primary oocyte - It is in the prophase I of the meiotic division

Answer

(c) B- Corpus luteum - Secretes estrogen

Answer

(b) A- Tertiary follicle - Forms Graafian follicle

Question 24

Which one of the following statements is false in respect of viability of mammalian sperm?

Accepted Answer

(a) Sperm is viable for only up to 24 hours.

Answer

(c) Viability of sperm is determined by its motility.

Answer

(b) Survival of sperm depends on the pH of the medium and is more active in alkaline medium.

Answer

(d) Sperms must be concentrated in a thick suspension.

Question 25

Which one of the following statements about human sperm is correct?

Accepted Answer

(b) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation.

Answer

(d) Acrosome serves no particular function.

Answer

(c) Acrosome serves as a sensory structure leading the sperm towards the ovum.

Answer

(a) Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation.

Question 26

In humans, at the end of the first meiotic division, the male germ cells differentiate into the

Accepted Answer

(d) secondary spermatocytes.

Answer

(c) primary spermatocytes

Answer

(b) spermatogonia

Answer

(a) spermatids

Question 27

Sertoli cells are regulated by the pituitary hormone known as

Accepted Answer

(b) FSH

Answer

(c) GH

Answer

(a) LH

Answer

(d) prolactin.

Question 28

The middle piece of the sperm contains

Accepted Answer

(b) mitochondria

Answer

(a) proteins

Answer

(c) centriole

Answer

(d) nucleus.

Question 29

How many sperms are formed from a secondary spermatocyte?

Accepted Answer

(c) 2

Answer

(d) 1

Answer

(b) 8

Answer

(a) 4

Question 30

Egg is liberated from ovary in

Accepted Answer

(a) secondary oocyte stage

Answer

(c) oogonial stage

Answer

(d) mature ovum stage.

Answer

(b) primary oocyte stage

Question 31

Which of the following hormone levels will cause release of ovum (ovulation) from the Graffian follicle?

Accepted Answer

(a) High concentration of Estrogen

Answer

(c) Low concentration of LH

Answer

(d) Low concentration of FSH

Answer

(b) High concentration of Progesterone

Question 32

No new follicles develop in the luteal phase of the menstrual cycle because

Accepted Answer

(d) both FSH and LH levels are low in the luteal phase.

Answer

(b) FSH levels are high in the luteal phase

Answer

(c) LH levels are high in the luteal phase

Answer

(a) follicles do not remain in the ovary after ovulation

Question 33

Match the items given in column I with those in column II and select the correct option given below.

Column I Column II

A. Proliferative phase (i) Breakdown of endometrial lining

B. Secretory phase (ii) Follicular phase

C. Menstruation (iii) Luteal phase

Accepted Answer

(c) (ii) (iii) (i)

Answer

(a) (iii) (ii) (i)

Answer

(b) (i) (iii) (ii)

Answer

(d) (iii) (i) (ii)

Question 34

Changes in GnRH pulse frequency in females is controlled by circulating levels of

Accepted Answer

(c) estrogen and progesterone

Answer

(b) progesterone and inhibin

Answer

(d) estrogen and inhibin.

Answer

(a) progesterone only

Question 35

Select the incorrect statement.

Accepted Answer

(a) LH and FSH decrease gradually during the follicular phase.

Answer

(d) LH triggers ovulation in ovary.

Answer

(c) FSH stimulates the Sertoli cells which help in spermiogenesis.

Answer

(b) LH triggers secretion of androgens from the Leydig cells.

Question 36

Identify the correct statement on ‘inhibin’.

Accepted Answer

d) Is produced by granulosa cells in ovary and inhibits the secretion of FSH

Answer

(c) Inhibits the secretion of LH, FSH and prolactin

Answer

(a) Is produced by granulosa cells in ovary and inhibits the secretion of LH

Answer

(b) Is produced by nurse cells in testes and inhibits the secretion of LH

Question 37

Which of the following events is not associated with

ovulation in human female?

Accepted Answer

(c) Decrease in estradiol

Answer

(d) Full development of Graafian follicle

Answer

(a) Release of secondary oocyte

Answer

(b) LH surge

Question 38

The main function of mammalian corpus luteum is to produce

Accepted Answer

(b) progesterone

Answer

(a) estrogen only

Answer

(c) human chorionic gonadotropin

Answer

(d) relaxin only.

Question 39

Menstrual flow occurs due to lack of

Accepted Answer

(c) progesterone

Answer

(d) FSH.

Answer

(b) vasopressin

Answer

(a) oxytocin

Question 40

The secretory phase in the human menstrual cycle is

also called

Accepted Answer

(c) luteal phase and lasts for about 13 days

Answer

(a) luteal phase and lasts for about 6 days

Answer

(b) follicular phase and lasts for about 6 days

Answer

(d) follicular phase and lasts for about 13 days.

Related quizzes

Related quizzes