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41.

In which of the following mammals the testes do not descend into scrotal sacs but remain permanently within the body cavity:

A.	Elephant, whale and sea-lion	B.	Monkey, ape and man
C.	Cow, sheep and goat	D.	All of these

42.

Testes descend into the scrotal sacs only during breeding season in which of the following animal:

A.	Bat	B.	Rat
C.	Hedge-hog	D.	All of these

43.

Testes in mammals are held within the scrotal sacs by:

A.	Tunica albugenia	B.	Tunica vaginalis
C.	Tunica media	D.	Gubernacular cords

44.

Abdominal coelomic epithelium covering a part of mammalian testes is called:

A.	Tunica albugenia	B.	Tunica vaginalis
C.	Mesorchium	D.	Mesoverium

45.

Mammalian testes is divided into two vertical compartments with the help of:

A.	Mediastinum testis	B.	Septula testis
C.	Rete testis	D.	None of these

46.

A number of horizontal partitions extending from mediastinum testis and tunica albugenia in mammalian testes are called:

A.	Septula testis	B.	Rete testis
C.	Gubemacular cords	D.	None of these

47.

Surfaces of mediastinum testis and septula testis are lined with:

A.	Tunica externa	B.	Tunica vaginalis
C.	Tunica vasculosa	D.	Tunica albugenia

48.

Cells of Leydig are found in the:

A.	Connective tissue of the testis	B.	Islets of langerhans
C.	Seminiferous tubules	D.	Renal cortex

49.

Cells of Sertoli are found in the:

A.	Ovary of frog	B.	Testes of rabbit
C.	Ovary of rabbit	D.	All of these

50.

Clitoris in female mammal is:

A.	Homologous to penis of male	B.	Analogous to penis of male
C.	Vestigial structure	D.	Overgrowth