In flowering plant, a megaspore develops into an embryo sac, which contains.
4 cell, one of which is an egg
6 cells, one of which is an egg
8 cells, one of which an egg
None of these
When an ovary develops into a fruit, without fertilization, it is called.
Appospory
Apogamy
Porogamy
Parthenocarpy
Anthesis is a phenomenon which refers to
Formation of pollen
Development of anther
Opening of flower bud
Reception of pollen by stigma