The middle piece of the sperm contains
centriole
nucleus
proteins
mitochondria
Which of the following type of reproduction occurs in sponges?
fission
budding
fragmentation
none of these
In human females, the eggs are
alecithal
macrolecithal
mesolecithal
microlecithal
The most fundamental characteristics of living being is
growth
movement
reproduction
Which of the following is the actual genetic part of the sperm?
tail
head
whole of it
middle piece
Nebenkern is a part of
foetus
human sperm
human ovum
graafian follicle
Binary fission occurs in
Amoeba
Planaria
Paramecium
All of these
Sertoli cells are involved in
respiration of snail
nutrition of sperms
excretion of cockroach
movement of sperm
Cumulus covers
ovary
ovum
embryo
all of these
The period of pregnancy is referred as the
gestation
ovulation
fertilization
spermatization
