The function of male sex accessory ducts and glands are maintained by:
1. Hypothalamic releasing hormone
2. Pitutary gonadotropins
3. Adrenal cortex steroids
4. Testicular androgens
Male reproductive system of humans has not
(1) A testis only
(2) Accessory Ducts
(3) Glands
(4) External Genitalia
Testes of humans are located in
(1) Inside abdominal cavity
(2) Within a tunnel like structure
(3) Within Scrotum
(4) More than one option is correct
Suppose the internal temperature of body is 36.5 degree celsius now what will be the temperature required for human spermatogenesis?
1. 34.2 degree Celsius
2. 33 degree Celsius
3. 38 degree Celsius
4. 38.2 degree Cell
Which of the following is not a part of male external genitalia?
(1) Glans Penis
(2) Foreskin
(3) Urethral Meatus
(4) Anus
Vasa efferentia are the ductules leading from
1. testicular lobules to rete testis
2. rete testis to vas deferens
3. vas deferens to epididymis
4. epididymis to urethra
The seminiferous tubules of the testis open into the vas differentia through:
1. Tubuli recti
2. Vas deferens
3. Rete testis
4. Epididymis
Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D:
(a) |
Ureter |
Prostate |
Seminal vesicle |
Bulbourethral gland |
(b) |
Vas deferens |
Seminal vesicle |
Prostate |
Bulbourethral gland |
(c) |
Vas deferens |
Seminal vesicle trial gland |
Bulboure |
Prostate |
(d) |
Ureter |
Seminal vesicle |
Prostate |
Bulbourethral gland |
1. (a)
2. (b)
3. (c)
4. (d)
Leydig cells:
1. | Are present in seminiferous tubules and secrete androgens |
2. | Are present in seminiferous tubules and help in the maturation of sperms |
3. | Are present in interstitial space and secrete androgens |
4. | Are present in interstitial space and help in the maturation of sperms |
Reproductive structures in human can be divided into categories - primary and secondary sex organs. Which of the following are not primary sex organs?
i. Mammary gland
ii. Testis
iii. Ovary
iv. Uterus
1. i & II
2. i & iv
3. ii & iii
4. ii & iv
Which of the following statements is true?
1. Androgens are produced by the sertoli cells
2. Oogenesis takes place in the corpus luteum
3. Spermatozoa get nourishment from the sustentacular cells
4. Leydig's cells are found in ovaries
It is a diagrammatic sectional view of male reproductive system, in which identify the ejaculatory duct:-
1. A
2. B
3. D
4. C
How many of the following statements are true regarding follicle stimulating hormone?
(i) FSH secreted by anterior pituitary cells, is called gonadotropin
(ii) Its target organs are the ovaries and testes
(iii) In the ovaries, it stimulates the secretion of ovarian hormones
(iv) In the testes, it stimulates the production of sperm
1. Only (i), (ii), (iii)
2. Only (ii), (iii), (iv)
3. (i), (ii), (iii), (iv)
4. Only (i), (iii)
The vas deferens receives duct from the seminal vesicle and opens into urethra as
1. epididymis
2. ejaculatory duct
3. efferent ductule
4. ureter
Trace the path of physiologically mature sperm in the male reproductive tract:
1. | Seminiferous tubules → Rete testis → Vasa efferentia → Epididymis → Vas deferens → Ejaculatory duct → urethra |
2. | Vas deferens → Epididymis → Ejaculatory duct → Urethra |
3. | Rete testis → Epididymis → Vasa efferentia → Vas deferens → Ejaculatory duct → urethra |
4. | Epididymis → Ejaculatory duct → Vas deference → Urethra |
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 |
1. | About 200 seminiferous tubules are present in testis lobule |
2. | Epididymis is located along the anterior surface of each testis |
3. | Vas deferens ascends to the abdomen and loops over the bladder |
4. | Ducts of seminal vesicles open at the urethral meatus |
List I | List II |
A. Acrosome | I. Gonadotropin |
B. Corpus luteum | II. Hyalurinodase |
C. Leydig cells | III. Estrogen |
D. Hypothalamus | IV. Testosterone |
a. | Interstitial spaces of testis contain Leydig cells and other immunologically competent cells. |
b. | Testes are situated inside the abdominal cavity within a pouch called scrotum. |
c. | The scrotum helps in maintaining the low temperature necessary for spermatogenesis. |
d. | Each lobule of testis contains 250 seminiferous tubules in which sperms are produced. |
Column-I | Column -II | ||
a. | Testes | (i) | Ruptures to release ovum |
b. | Sertoli cells | (ii) | Situated outside the abdominal cavity |
c. | Graafian follicle | (iii) | Provide nutrition to germ cells |
d. | Zona pellucida | (iv) | Non-cellular layer formed by secondary oocyte |
A: | I contributes acidic fluid to the seminal plasma. |
B: | II is an unpaired gland. |
C: | III stores sperms. |
1. | Only B | 2. | Only A and C |
3. | Only C | 4. | A, B, and C |
The number of correct statements in the given statements is:
I: | Each seminiferous tubule is lined on its inside by two types of cells called male germ cells and Sertoli cells. |
II: | Sertoli cells synthesise and secrete testicular hormones called androgens. |
III: | Leydig cells provide nutrition to the germ cells. |
IV: | The testis is covered by a dense covering. |
V: | Each testis has about 250 compartments called testicular lobules. |
1. 2
2. 3
3. 4
4. 5
1. | Present outside the abdominal cavity |
2. | Length is of about 4 to 5 cm |
3. | Each testis has about 250 compartments called testicular lobules |
4. | Each testicular lobule has 5-6 seminiferous tubules |
W | X | Y | Z | |
1. | Epididymis | Prostrate gland | Glans penis | Bulbourethral Gland |
2. | Bulbourethral gland | Glans penis | Prostrate gland | Epididymis |
3. | Vas deferens | Seminal vesicle | Urethra | Prostrate gland |
4. | Rete testis | Bulbourethral gland | Epididymis | Glans penis |
Assertion (A): | Interstitial spaces outside the seminiferous tubule have blood vessels and sertoli cells. |
Reason (R): | Sertoli cells provide nutrition to the germ cells. |
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) are true. |