paedogenes
castration
cryptorchidism
impotency
C. cryptorchidism
development of the vitelline membrane
development of the pigment coat
condensation of yolk
formation of fertilization membrane
yolk
amniotfe fluid
both
none of these
respiration
excretion
nutrition
protection from shocks
progestogens
androgens
estrogens
tropic hormones
tunica albuginea
scrotal sac
mesorchium
gubernaculum
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
equator
rseceptive cone
animal pole
vegetal pole
Haemochorial
Epitheliochorial
Syndesmochorial
Haemo-endothelial
10 weeks
28 weeks
32 weeks
35 weeks
spontaneous ovulator
seasonal ovulator
induced ovulator
natural ovulator
Hydra
Earthworm
Frog
Cockroach
copulation
ovulation
oviposition
conjugation
goat
cow
pig
man
mature eggs
immature eggs
sperms
polar body
tunica vasculosa
tunica albuginea
tunica vaginalis
none of these
prostrate and Cowper's glands
porstrate and vasa deferens
prostrate and urethra
vasa deferens and testis
kangaroo
elephant
rabbit
goat
ova
sperms
bile
saliva
spermatogonia
spermatocytes
sustentacular cells
cells of Leydig
breast
thyroid
ovary
testis and ovaries
11 months
10 months
15 months
22 months
seminiferous tubules
epididymis
vas deferens
urethra
ovary of mammal
ovary of frog
testis of frog
testis of mammal
testis to scrotum
ovary to the body wall in abdomen
the two muscles
the two bones
vagina
uterus
fallopian tube
ovarian fimbriae
day 10
day 14
day 8
day 22
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
cockroach
lizard
toad
fish
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
degeneration
encystment
jerks
none of these