Question

$a)$ How many eggs are present in an embryo sac?
$b)$ How many embryo sacs are present in an ovule?

Answer 1

Introduction : Egg is a female gamete and embryo sac is a female gametophyte.

Number of eggs in an embryo sac :
Each embryo sac comprises one female gamete or egg.

Diagram:

Introduction:
Embryo sac is developed from a megaspore and is also known as female gametophyte.

Number of embryo sac :
Each ovule consists of one embryo sac.