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Assertion: In...

Question

Assertion: Interstitial cell is present in the region outside the seminiferous tubule called interstitial space.

Reason: Leydig cells produce testosterone without the presence of luteinizing hormone (LH).

A

Both assertion and reason are true and reason is the correct explanation of assertion

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B

Both assertion and reason are true but reason is not the correct explanation of assertion

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C

Assertion is true but reason is false

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D

Both assertion and reason are false

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Solution

The correct option is C Assertion is true but reason is false
The regions outside the seminiferous tubules are called interstitial spaces. This space contais small blood vessels and interstitial cells or Leydig cells. Leydig cells produce testosterone in the presence of luteinizing hormone (LH).

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Q. Assertion :The regions outside the seminiferous tubules are called interstitial spaces, which contain Leydig's cell. Reason: Leydig's cells synthesise and secrete testicular hormones called androgens.

Q. Read the following statements and find out the incorrect statement.

A. Each testicular lobule contains one to three highly coiled seminiferous tubules in which sperm are produced
B. Each seminiferous tubule is lined on its inside by two types of cells called Leydig cells and Sertoli cells
C. The region outside the seminiferous tubules called interstitial space, contain small blood vessels and male germ cells (spermatogonia) which lead to sperm formation
D. In testis immunologically component cells are also present
E. The seminiferous tubules of the testis open into the rete testis through vasa efferentia

Q. Interstitial cells produce testosterone.

Q. Read the following statements (i to iv) and answer the following question.
(i) Each testes has highly coiled 250 compartments called seminiferous tubules.
(ii) Erection of the penis is due to the presence of special tissues that facilitates insemination.
(iii) Immunologically competent cells are also present in the interstitial spaces of seminiferous tubules.
(iv) Testes lie outside the abdominal cavity in a thin pouch like skin called scrotum.
(v) Bulbourethral gland is a single accessory gland.
How many of the above statements are incorrect?

Q. Assertion :Each testis is attached to the abdominal wall by a ligament and under testosterone influence it is drawn into the scrotum during development. Reason: Leydig or interstitial cells secrete androgens most potent being testosterone.

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