Cryopreservation means storing of products in
Liquid nitrogen
Liquid oxygen
Liquid hydrogen
Liquid helium
An aggregate fruit is one which develops from
In castor, proliferation of the outer integumentary cells at micropylar region
When the ovule is curved and embryo sac becomes horse-shoe shaped, such an ovule is called
When vegetative cell of zygote form embryo, it is called
A typical angiosperm embryo sac at maturity, is