Those person in which testes does not descend into scrotal sac
show normal secondary sexual characters as the Leydig cells are unaffected
are normal in every respect except that they lack ability to procreate
the testes are comparatively smaller in size
all of these
Correct Answer :
D. all of these
Related Questions
Cells of Sertoli are found in
testis of rabbit
testis of cockroach
testis of frog
liver of mammals
The gestation period of rabbit is
28 - 32 days
60 - 70 days
20 - 25 days
80 - 90 days
The capsule enclosing testes of mammal is known as
tunica vasculosa
tunica albuginea
tunica vaginalis
none of these
The placental barrier between animal and foetal blood is minimum
goat
cow
pig
man
In the male rabbit, the testes are located in
thoracic cavity
pericardial cavity
abdominal cavity
extra-abdominal scrotal cavity
Amnion helps in
respiration
excretion
nutrition
protection from shocks
The part of reproductive system in male which neither produces hormones nor sperms is
seminal vesicles
cowper's glands
prostrate glands
all of these
Rupturing of follicles and discharge of ova is known as
copulation
ovulation
oviposition
conjugation
Failure of descending testis into the scrotum is known as
paedogenes
castration
cryptorchidism
impotency
In rabbit, the sperms are stored and nourished in
testes
vasa deferentia
epidydymis
spermatic cord
Embryo of a mammal is surrounded by
yolk
amniotfe fluid
both
none of these
Cryptorchidism is a condition in which testes are
surgically removed
not developed in foetus
unable to produce sperms
unable to descend into scrotal sacs
Graffian follicles are characteristically found in the
ovary of mammal
ovary of frog
testis of frog
testis of mammal
Which of the following animals are hermaphrodites?
Tapeworm
Leech
Earthworm
All of these
The process of spermatogenesis in human testis is completed in
74 days
90 days
56 days
32 days
One of these is polyestrous
Sheep
Bitches
Cows
Goats
In the human menstrual cycle, ovulation occurs around
day 10
day 14
day 8
day 22
Those person in which testes does not descend into scrotal sac
show normal secondary sexual characters as the Leydig cells are unaffected
are normal in every respect except that they lack ability to procreate
the testes are comparatively smaller in size
all of these
Placenta is the region, where
foetus is supplied by maternal blood
foetus receives maternal blood and nutrition
embryo is enclosed by membranes
embryo is attached to mother by umbilical cord
The gestation period of elephant is about
11 months
10 months
15 months
22 months
The human sperm was first seen and described by
Hamm and Leeuwenhock
Spallazani
De Graff
VonBaer
The site of fertilization in the female mammalian reproductive system is
vagina
uterus
fallopian tube
ovarian fimbriae
After a sperm has entered an ovum in the process of fertilization, entry of further sperms is prevented by
development of the vitelline membrane
development of the pigment coat
condensation of yolk
formation of fertilization membrane
Sertoli cells are located in
caput epididymis
cauda epididymis
seminiferous tubules
germinal epithelium
Allantois of the mammalian embryo helps in
respiration
excretion
protection
nutrition
In which of the animals, the fertilization occurs externally in water ?
Hydra
Earthworm
Frog
Cockroach
The testis are found in the abdomen in
kangaroo
elephant
rabbit
goat
The hormone which shows a single mid cycle peak in the human female is
FSH
LH
oestrogen
progesterone
Gubernaculun connects
testis to scrotum
ovary to the body wall in abdomen
the two muscles
the two bones
Secodary sexual character in man is
breast
thyroid
ovary
testis and ovaries