Tapeworm
Leech
Earthworm
All of these
C. Earthworm
Haemochorial
Epitheliochorial
Syndesmochorial
Haemo-endothelial
spermatogonia
spermatocytes
sustentacular cells
cells of Leydig
paedogenes
castration
cryptorchidism
impotency
female reproductive organs of cockroach
male reproductive organs of earthworm
male reproductive organs of rabbit
female reproductive organs of rabbit
testes
vasa deferentia
epidydymis
spermatic cord
respiration
excretion
protection
nutrition
Tapeworm
Leech
Earthworm
All of these
seminal vesicles
cowper's glands
prostrate glands
all of these
gestation
menstruation
puberty
menopause
testis of mammals
testis of Ascaris
ovary of mammals
pancreas of frog
testis to scrotum
ovary to the body wall in abdomen
the two muscles
the two bones
FSH
LH
oestrogen
progesterone
thoracic cavity
pericardial cavity
abdominal cavity
extra-abdominal scrotal cavity
Hydra
Earthworm
Frog
Cockroach
breast
thyroid
ovary
testis and ovaries
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
seminal vesicle
prostrate gland
cowper's gland
coagulating gland
prostrate and Cowper's glands
porstrate and vasa deferens
prostrate and urethra
vasa deferens and testis
day 10
day 14
day 8
day 22
seminiferous tubules
epididymis
vas deferens
urethra
28 - 32 days
60 - 70 days
20 - 25 days
80 - 90 days
tunica vasculosa
tunica albuginea
tunica vaginalis
none 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
corpus callosum
corpus luteum
corpus albicans
corpus striatum
goat
cow
pig
man
ovary of mammal
ovary of frog
testis of frog
testis of mammal
progestogens
androgens
estrogens
tropic hormones
11 months
10 months
15 months
22 months
degeneration
encystment
jerks
none of these
ova
sperms
bile
saliva