The placental barrier between animal and foetal blood is minimum
goat
cow
pig
man
Correct Answer :
C. pig
Related Questions
The gestation period of rabbit is
28 - 32 days
60 - 70 days
20 - 25 days
80 - 90 days
The testes secrete a group of hormones called
progestogens
androgens
estrogens
tropic hormones
The seminal vesicle in rabbit is found at the junction of
prostrate and Cowper's glands
porstrate and vasa deferens
prostrate and urethra
vasa deferens and testis
The region where the sperm enters egg is called
equator
rseceptive cone
animal pole
vegetal pole
bartholine glands are found and associated with
female reproductive organs of cockroach
male reproductive organs of earthworm
male reproductive organs of rabbit
female reproductive organs of rabbit
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 capsule enclosing testes of mammal is known as
tunica vasculosa
tunica albuginea
tunica vaginalis
none of these
In the human menstrual cycle, ovulation occurs around
day 10
day 14
day 8
day 22
The hormone which shows a single mid cycle peak in the human female is
FSH
LH
oestrogen
progesterone
The sperm count increases
if a person takes hot bath at 43 - 45°C for 30 minutes per day
if a person wears althletic supporters
during summer months
during winter months
Amnion is an extra-embryonic embrane which develops during the embryonic development of
cockroach
lizard
toad
fish
Gestation period in man is a about
10 weeks
28 weeks
32 weeks
35 weeks
Embryo of a mammal is surrounded by
yolk
amniotfe fluid
both
none of these
Gubernaculun connects
testis to scrotum
ovary to the body wall in abdomen
the two muscles
the two bones
The part of reproductive system in male which neither produces hormones nor sperms is
seminal vesicles
cowper's glands
prostrate glands
all of these
The site of fertilization in the female mammalian reproductive system is
vagina
uterus
fallopian tube
ovarian fimbriae
Failure of descending testis into the scrotum is known as
paedogenes
castration
cryptorchidism
impotency
The bidder canals help to pass out
ova
sperms
bile
saliva
Fertilizers are substances emitted from
mature eggs
immature eggs
sperms
polar body
In which of the animals, the fertilization occurs externally in water ?
Hydra
Earthworm
Frog
Cockroach
Sustentacular cells are found in
testis of mammals
testis of Ascaris
ovary of mammals
pancreas of frog
The structure formed after release of ova from Graffian follicles and secretory in nature, is
corpus callosum
corpus luteum
corpus albicans
corpus striatum
The female rabbit is
spontaneous ovulator
seasonal ovulator
induced ovulator
natural ovulator
The human sperm was first seen and described by
Hamm and Leeuwenhock
Spallazani
De Graff
VonBaer
The process of spermatogenesis in human testis is completed in
74 days
90 days
56 days
32 days
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
Clitoris in mammals is
homologous to penis
analogous to penis
functional penis in female
non-functional penis in male
In the testis of rabbit, the hormone secreting cells are
spermatogonia
spermatocytes
sustentacular cells
cells of Leydig
The placental barrier between animal and foetal blood is minimum
goat
cow
pig
man
Sertoli cells are located in
caput epididymis
cauda epididymis
seminiferous tubules
germinal epithelium