seminal vesicle
prostrate gland
cowper's gland
coagulating gland
C. cowper's gland
progestogens
androgens
estrogens
tropic hormones
degeneration
encystment
jerks
none of these
testis of rabbit
testis of cockroach
testis of frog
liver of mammals
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
equator
rseceptive cone
animal pole
vegetal pole
11 months
10 months
15 months
22 months
tunica vasculosa
tunica albuginea
tunica vaginalis
none of these
yolk
amniotfe fluid
both
none of these
female reproductive organs of cockroach
male reproductive organs of earthworm
male reproductive organs of rabbit
female reproductive organs of rabbit
seminal vesicles
cowper's glands
prostrate glands
all of these
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
testis to scrotum
ovary to the body wall in abdomen
the two muscles
the two bones
breast
thyroid
ovary
testis and ovaries
Haemochorial
Epitheliochorial
Syndesmochorial
Haemo-endothelial
thoracic cavity
pericardial cavity
abdominal cavity
extra-abdominal scrotal cavity
seminiferous tubules
epididymis
vas deferens
urethra
spermatogonia
spermatocytes
sustentacular cells
cells of Leydig
testes
vasa deferentia
epidydymis
spermatic cord
development of the vitelline membrane
development of the pigment coat
condensation of yolk
formation of fertilization membrane
28 - 32 days
60 - 70 days
20 - 25 days
80 - 90 days
caput epididymis
cauda epididymis
seminiferous tubules
germinal epithelium
10 weeks
28 weeks
32 weeks
35 weeks
FSH
LH
oestrogen
progesterone
surgically removed
not developed in foetus
unable to produce sperms
unable to descend into scrotal sacs
paedogenes
castration
cryptorchidism
impotency
mature eggs
immature eggs
sperms
polar body
cockroach
lizard
toad
fish
copulation
ovulation
oviposition
conjugation
gestation
menstruation
puberty
menopause
respiration
excretion
nutrition
protection from shocks