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Male Main Reproductive Organs

The coiled tu...

Question

The coiled tubule connecting the testes in males to the vas deferens is known as:

A

Prostate gland

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B

Seminal vesicle

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C

Epididymis

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D

Scrotum

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Solution

The correct option is C
Epididymis

The epididymisis a tube that connects a testicleto a vas deferensin the male reproductive system. It is present in all male reptiles, birds, and mammals. It is a single, narrow, tightly-coiled tube (in adult humans, six to seven meters in length) connecting the efferent ductsfrom the rear of each testicle to its vas deferens.

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Q. How many structures are found in the abdominal cavity of males among the following structures? Epididymis, Rete testis, Ampulla of vas deferens, Fallopian tube, Prostate gland, Seminal vesicle, Round ligament, Ureter, Membranous urethra

Q. Select the correct set of name for the parts A,B, C, D.

A	Ureter	Seminal vesicle	Prostate	Bulbourethral gland
B	Ureter	Prostate	Seminal vesicle	Bulbourethral gland
C	Vas deferens	Seminal vesicle	Prostate	Bulbourethral gland
D	Vas deferens	Seminal vesicle	Bulbourethral gland	Prostate

Q. Mark the wrong item in each series and select the correct option.
(i) Spermatocyte; polar body; spermatid; spermatogonium
(ii) Endometrium; corpus luteum; acrosome; Graafian follicle
(iii) Vas deferens; Fallopian tube; epididymis; Cowper's gland
(iv) Testes; prostate; seminal vesicles; Cowper's gland

Q. Select the incorrect route(s) for the passage of sperm in the respective organisms :
I. Periplaneta americana: Testes → Vasa efferentia → Kidney → Bidder’s canal →
Urinogenital duct → Cloaca
II. Rana tigrina: Testes → Vasa efferentia → Kidney → Bidder’s canal → Urinogenital
duct → Cloaca
III. Rana tigrina: Testes → Vas deferens → Seminal vesicle → Ejaculatory duct → Male
gonopore
IV. Periplaneta americana: Testes → Vas deferens → Seminal vesicle → Ejaculatory duct → Male gonopore

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)

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