The following figure represents the male reproductive system of a human being. [5 MARKS]
(a) Label the parts numbered 1 to 13.
(b) State one function of each of the following:
Parts :
1. Testes
2. Sperm duct
3. Seminal vesicle
4. Prostate gland

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Solution

a) 3 Marks
b) 2 Marks

(a)
1. Penis
2. Erectile tissue
3. Urethra
4. Cowper's gland
5. Pubis
6. Urinary bladder
7. Ureter
8. Prostate gland
9. Seminal vesicle
10. Vas deferens
11. Epididymis
12. Testis
13. Scrotum

(b)
1. Testis: Production of spermatozoa.
2. Sperm duct: Transport of spermatozoa from the epididymis to urethra.
3. Seminal vesicle: Its secretion provides energy to sperms and neutralizes acidic environment of the urethra.
4. Prostate gland: Its secretion contributes 13 - 33% of the volume of semen and aids in sperm motility and viability.

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Q. In the given diagram of the reproductive system of earthworm, identify parts labelled A, B, C, D, E and select the correct option.

	A	B	C	D	E
1	Seminal vesicle	Spermath-ecae	Prostate gland	Ovary	Accessory gland
2	Seminal vesicle	Ovary	Accessory gland	Spermath-ecae	Prostate gland
3	Spermath-ecae	Seminal vesicle	Accessory gland	Ovary	Prostate gland
4	Spermath-ecae	Seminal vesicle	Ovary	Accessory gland	Prostate gland

Q. State very briefly the chief function of each of the following: [4 MARKS]
(i) Seminal vesicles (ii) Prostate gland (iii) Cowper's gland (iv) Sperm duct (vas deferens)

Q. One of the following is not a part of the human male reproductive system. This is :
(a) testis
(b) oviduct
(c) seminal vesicle
(d) prostrate gland

Which of the following is not a part of the human male reproductive system?

(a) testes

(b) oviducts

(d) epididymis

(a) What changes are seen in boys at the time of puberty?
(b) Name the organs which produce sperms in human males.
(c) Draw a labelled diagram of the human male reproductive system. With the help of this diagram, describe the working of a human male reproductive system?
(d) What is the role of seminal vesicles and prostate gland in the human male reproductive system?

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The following figure represents the male reproductive system of a human being. [5 MARKS] (a) Label the parts numbered 1 to 13. (b) State one function of each of the following: Parts : 1. Testes 2. Sperm duct 3. Seminal vesicle 4. Prostate gland

The following figure represents the male reproductive system of a human being. [5 MARKS]
(a) Label the parts numbered 1 to 13.
(b) State one function of each of the following:
Parts :
1. Testes
2. Sperm duct
3. Seminal vesicle
4. Prostate gland