Which of the
following is the correct sequence?
a) cleavageà gastrulationà growthà organogenesis
b) cleavageà
gastrulationà organogenesis à growth
c) cleavageà organogenesis à growthà gastrulation
d) gastrulation à cleavage à growthà organogenesis
The zygote undergoes mitotic division called……
a) gastrulation
b) morulation
c) cleavage
d) organogenesis
Many vertebrates have large amounts of yolk concentrated at one end of the cell known as the……..
a) animal pole
b) vegetal pole
c) DNA pole
d) nutrition pole
In which of the following vertebrates’ eggs, a very large amount of yolk and only small amount of cytoplasm concentrated at the animal pole?
a) birds
b) reptiles
c) some fishes
d) all of these
In which of the following the division takes place only in the blastodisc and termed as meroblastic cleavage?
a) birds
b) reptiles
c) some fishes
d) all of these
In human, gastrulation begins about the …….day after fertilization.
a) 3rd
b) 5th
c) 10th
d) 15th
