Nowadays,agricultural practice is expensive for farmers as they need to purchase hybrid seeds every year. Which of the following strategies can be employed to overcome this problem?

In angiosperms,apomixis is . . . . . . .

The development of an embryo from an egg without fertilization is called........

In which of the following is apomixis observed?

Polyembryony was first observed by Leeuwenhoek in the seeds of . . . . . . .

Which one of the following is $NOT$ a significance of polyembryony?
$i$. Polyembryony increases the chance of survival of the new plants.
$ii$. Nucellar polyembryony is greatly useful in horticulture.
$iii$. Seedless fruits are formed.
$iv$. Genetically identical plants are produced due to cleavage polyembryony.