The testes secrete a group of hormones called
progestogens
androgens
estrogens
tropic hormones
Correct Answer :
B. androgens
Related Questions
The testes secrete a group of hormones called
progestogens
androgens
estrogens
tropic hormones
In the male rabbit, the testes are located in
thoracic cavity
pericardial cavity
abdominal cavity
extra-abdominal scrotal cavity
The process of spermatogenesis in human testis is completed in
74 days
90 days
56 days
32 days
Allantois of the mammalian embryo helps in
respiration
excretion
protection
nutrition
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 structure of the male reproductive system that corresponds to oviduct of the female system is
seminiferous tubules
epididymis
vas deferens
urethra
Sustentacular cells are found in
testis of mammals
testis of Ascaris
ovary of mammals
pancreas of frog
The bidder canals help to pass out
ova
sperms
bile
saliva
Cells of Sertoli are found in
testis of rabbit
testis of cockroach
testis of frog
liver of mammals
Amnion helps in
respiration
excretion
nutrition
protection from shocks
The hormone which shows a single mid cycle peak in the human female is
FSH
LH
oestrogen
progesterone
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
The capsule enclosing testes of mammal is known as
tunica vasculosa
tunica albuginea
tunica vaginalis
none of these
Embryo of a mammal is surrounded by
yolk
amniotfe fluid
both
none 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
In which of the animals, the fertilization occurs externally in water ?
Hydra
Earthworm
Frog
Cockroach
The gestation period of elephant is about
11 months
10 months
15 months
22 months
The female rabbit is
spontaneous ovulator
seasonal ovulator
induced ovulator
natural ovulator
Rupturing of follicles and discharge of ova is known as
copulation
ovulation
oviposition
conjugation
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
The human sperm was first seen and described by
Hamm and Leeuwenhock
Spallazani
De Graff
VonBaer
The part of reproductive system in male which neither produces hormones nor sperms is
seminal vesicles
cowper's glands
prostrate glands
all of these
Gestation period in man is a about
10 weeks
28 weeks
32 weeks
35 weeks
The structure formed after release of ova from Graffian follicles and secretory in nature, is
corpus callosum
corpus luteum
corpus albicans
corpus striatum
Gubernaculun connects
testis to scrotum
ovary to the body wall in abdomen
the two muscles
the two bones
One of the following accessory glands in the male reproductive system produces secretions that neutralise the acidity in the urethra and in the female genital tract. This is necessary for survival of sperms. This fluid is secreted by
seminal vesicle
prostrate gland
cowper's gland
coagulating gland
The region where the sperm enters egg is called
equator
rseceptive cone
animal pole
vegetal pole
Fertilizers are substances emitted from
mature eggs
immature eggs
sperms
polar body
A woman's fertility ceases at about 49-55 years. This is known as
gestation
menstruation
puberty
menopause