The reason for using vegetatively reproducing crop plants to maintain hybrid vigour is that:

Parthenogenesis is observed in

Which statement is correct for apomixis?

The presence of more than one embryo in a seed is known as:

In citrus,adventive embryony arises from which of the following?

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.