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4

Failure of descending testis into the scrotum is known as

A. paedogenes

B. castration

C. cryptorchidism

D. impotency

Correct Answer :

C. cryptorchidism


Related Questions

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4

After a sperm has entered an ovum in the process of fertilization, entry of further sperms is prevented by

A. development of the vitelline membrane

B. development of the pigment coat

C. condensation of yolk

D. formation of fertilization membrane

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4

Embryo of a mammal is surrounded by

A. yolk

B. amniotfe fluid

C. both

D. none of these

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4

Amnion helps in

A. respiration

B. excretion

C. nutrition

D. protection from shocks

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4

The testes secrete a group of hormones called

A. progestogens

B. androgens

C. estrogens

D. tropic hormones

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4

The structure that attaches testis to dorsal body wall is

A. tunica albuginea

B. scrotal sac

C. mesorchium

D. gubernaculum

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4

Placenta is the region, where

A. foetus is supplied by maternal blood

B. foetus receives maternal blood and nutrition

C. embryo is enclosed by membranes

D. embryo is attached to mother by umbilical cord

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4

The region where the sperm enters egg is called

A. equator

B. rseceptive cone

C. animal pole

D. vegetal pole

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4

The simplest type of placenta found in man is

A. Haemochorial

B. Epitheliochorial

C. Syndesmochorial

D. Haemo-endothelial

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4

Gestation period in man is a about

A. 10 weeks

B. 28 weeks

C. 32 weeks

D. 35 weeks

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4

The female rabbit is

A. spontaneous ovulator

B. seasonal ovulator

C. induced ovulator

D. natural ovulator

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4

In which of the animals, the fertilization occurs externally in water ?

A. Hydra

B. Earthworm

C. Frog

D. Cockroach

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4

Rupturing of follicles and discharge of ova is known as

A. copulation

B. ovulation

C. oviposition

D. conjugation

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4

The placental barrier between animal and foetal blood is minimum

A. goat

B. cow

C. pig

D. man

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4

Fertilizers are substances emitted from

A. mature eggs

B. immature eggs

C. sperms

D. polar body

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4

The capsule enclosing testes of mammal is known as

A. tunica vasculosa

B. tunica albuginea

C. tunica vaginalis

D. none of these

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4

The seminal vesicle in rabbit is found at the junction of

A. prostrate and Cowper's glands

B. porstrate and vasa deferens

C. prostrate and urethra

D. vasa deferens and testis

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4

The testis are found in the abdomen in

A. kangaroo

B. elephant

C. rabbit

D. goat

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4

The bidder canals help to pass out

A. ova

B. sperms

C. bile

D. saliva

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4

In the testis of rabbit, the hormone secreting cells are

A. spermatogonia

B. spermatocytes

C. sustentacular cells

D. cells of Leydig

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4

Secodary sexual character in man is

A. breast

B. thyroid

C. ovary

D. testis and ovaries

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4

The gestation period of elephant is about

A. 11 months

B. 10 months

C. 15 months

D. 22 months

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4

The structure of the male reproductive system that corresponds to oviduct of the female system is

A. seminiferous tubules

B. epididymis

C. vas deferens

D. urethra

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4

Graffian follicles are characteristically found in the

A. ovary of mammal

B. ovary of frog

C. testis of frog

D. testis of mammal

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4

Gubernaculun connects

A. testis to scrotum

B. ovary to the body wall in abdomen

C. the two muscles

D. the two bones

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4

The site of fertilization in the female mammalian reproductive system is

A. vagina

B. uterus

C. fallopian tube

D. ovarian fimbriae

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4

In the human menstrual cycle, ovulation occurs around

A. day 10

B. day 14

C. day 8

D. day 22

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4

The sperm count increases

A. if a person takes hot bath at 43 - 45°C for 30 minutes per day

B. if a person wears althletic supporters

C. during summer months

D. during winter months

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4

Amnion is an extra-embryonic embrane which develops during the embryonic development of

A. cockroach

B. lizard

C. toad

D. fish

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4

Those person in which testes does not descend into scrotal sac

A. show normal secondary sexual characters as the Leydig cells are unaffected

B. are normal in every respect except that they lack ability to procreate

C. the testes are comparatively smaller in size

D. all of these

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4

Amniotic fluid protects the foetus from

A. degeneration

B. encystment

C. jerks

D. none of these