One of these is polyestrous
Sheep
Bitches
Cows
Goats
Correct Answer :
C. Cows
Related Questions
Fertilizers are substances emitted from
mature eggs
immature eggs
sperms
polar body
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 structure of the male reproductive system that corresponds to oviduct of the female system is
seminiferous tubules
epididymis
vas deferens
urethra
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
The human sperm was first seen and described by
Hamm and Leeuwenhock
Spallazani
De Graff
VonBaer
Amniotic fluid protects the foetus from
degeneration
encystment
jerks
none of these
The gestation period of elephant is about
11 months
10 months
15 months
22 months
In the male rabbit, the testes are located in
thoracic cavity
pericardial cavity
abdominal cavity
extra-abdominal scrotal cavity
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 bidder canals help to pass out
ova
sperms
bile
saliva
Sertoli cells are located in
caput epididymis
cauda epididymis
seminiferous tubules
germinal epithelium
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
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 structure that attaches testis to dorsal body wall is
tunica albuginea
scrotal sac
mesorchium
gubernaculum
In rabbit, the sperms are stored and nourished in
testes
vasa deferentia
epidydymis
spermatic cord
The placental barrier between animal and foetal blood is minimum
goat
cow
pig
man
One of these is polyestrous
Sheep
Bitches
Cows
Goats
The testis are found in the abdomen in
kangaroo
elephant
rabbit
goat
Gubernaculun connects
testis to scrotum
ovary to the body wall in abdomen
the two muscles
the two bones
Clitoris in mammals is
homologous to penis
analogous to penis
functional penis in female
non-functional penis in male
The structure formed after release of ova from Graffian follicles and secretory in nature, is
corpus callosum
corpus luteum
corpus albicans
corpus striatum
In which of the animals, the fertilization occurs externally in water ?
Hydra
Earthworm
Frog
Cockroach
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
Failure of descending testis into the scrotum is known as
paedogenes
castration
cryptorchidism
impotency
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
Cryptorchidism is a condition in which testes are
surgically removed
not developed in foetus
unable to produce sperms
unable to descend into scrotal sacs
The simplest type of placenta found in man is
Haemochorial
Epitheliochorial
Syndesmochorial
Haemo-endothelial
In the human menstrual cycle, ovulation occurs around
day 10
day 14
day 8
day 22
The testes secrete a group of hormones called
progestogens
androgens
estrogens
tropic hormones