Polar bodies are produced during the formation of
sperm
oogonium
spermatocytes
secondary oocyte
Which of the following is the actual genetic part of a sperm?
Tail
Head
Whole of it
Middle piece
Formation of primitive streak in the chick embryo is the first sign of
neurilation
notogenesis
gastrulation
blastulation
Both corpus luteum and macula lutea is
found in human ovaries
a source of hormones
characterized by a yellow colour
contributory in maintaining pregnency
Binary fission occurs in
Amoeba
Planaria
Paramecium
All of these
During a woman's life time, she produces about
40-50 eggs
300-350 eggs
400-500 eggs
750-850 eggs
Which of the following type of reproduction occurs in sponges?
Fission
Budding
Fragmentation
None of these
The post-embryonic growth is
auxetic
accretionary
multiplicative
basocretionary
The gestation period of human being is
one month
five months
six months
nine months
The most fundamental characteristics of living being is
growth
movement
reproduction
fragmentation
