The body of the ovule is fused within the funicle at

$A$- Four cells are at the chalzal end and are called the antipodals.

$R -$ A typical angiosperm embryo sac, at maturity,though $8$-nucleate is $7$-celled

The germination of pollen grain results in the formation of

The ovule of an angiosperm is technically equivalent to

Definations / Explanation :

$1.$ Egg apparatus

$2.$ filiform apparatus