Non-viable seeds are produced by

The vital link that ensures continuity of species between organisms of one generation and the next is represented by all of the following,except:

Match the following terms related to Gymnosperms/Angiosperms (as per standard botanical terminology) with their respective structures:

Column-$I$	Column-$II$
$P$. Pistil/Megasporophyll	$I$. Megasporophyll
$Q$. Ovule	$II$. Megasporangium
$R$. Embryo sac	$III$. Female gametophyte

Which is the most logical sequence with reference to the life cycle of angiosperms?

Choose the correct option from the following statements.
$I$. During embryogenesis,the zygote undergoes mitotic cell division.
$II$. In organisms with a diplontic life cycle,the zygote divides by meiotic cell division.
$III$. The pericarp (fruit wall) develops from the ovary wall after fertilization.
$IV$. In brinjal,sepals remain attached to the fruit even after fertilization.

Flowering plants are more successful than other members of the plant world because