Testes in frogs:

Are attached to the lower part of kidney by mesorchium

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Are compact mass of highly coiled seminiferous tubules

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Both (a) and (b)

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Are triangular shaped

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Solution

The correct option is B Are compact mass of highly coiled seminiferous tubules
In male reproductive system of frog each testis consists coiled structures called seminiferous tubules that are connected to each other by connective tissues.

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Q. In male frogs, the testes are attached to the kidney by a double fold of peritoneum called:

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?

Give advantage of having highly coiled structure in human kidney. Mention any two substances which are selectively reabsorbed as filtrate flows along the tubular part of nephron.

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. Funnel shaped ciliated pits on the ventral side of kidney of Frog

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Testes in frogs:

The correct option is B Are compact mass of highly coiled seminiferous tubulesIn male reproductive system of frog each testis consists coiled structures called seminiferous tubules that are connected to each other by connective tissues.

The correct option is B Are compact mass of highly coiled seminiferous tubules
In male reproductive system of frog each testis consists coiled structures called seminiferous tubules that are connected to each other by connective tissues.