After ovulation, Graafian follicle regresses into
corpus luteum
corpus albicans
corpus artesia
corpus callosum
Nebenkern is a part of
foetus
human sperm
human ovum
graafian follicle
Sperms are stored in earthworm after fertilization in
testis
kidney
spermatheca
seminal vesicle
Sertoli cells are involved in
respiration of snail
nutrition of sperms
excretion of cockroach
movement of sperm
In human females, the eggs are
alecithal
macrolecithal
mesolecithal
microlecithal
The preparation of sperm, before penetration into ovum, is called
coition
capacitation
insemination
spermiation
Which of the following initiates the preparation of uterus for the implantation of ovum?
LH
FSH
estrogen
progesterone
The period of pregnancy is referred as the
gestation
ovulation
fertilization
spermatization
Which of the following type of reproduction occurs in sponges?
fission
budding
fragmentation
none of these
Which part of the sperm plays an important role in penetrating the egg membrane?
tail
acrosome
allosome
autosome