Synergids are helpful in . . . . . . .

Select the correct option regarding the number of structures in a flower, arranged in descending order.

Which one of the following statements is correct?

The zygote is:

Read the following statements regarding gynoecium in angiosperms.
$i$. Embryo sac is located towards the micropylar end of the ovule.
$ii$. Placenta is present inside the ovary locules.
$iii$. Stigma serves as the receptive organ for pollen grains.
$iv$. Cells of the nucellus are haploid with abundant food.
$v$. Ovules generally have more haploid cells than diploid cells.
Identify the correct set of statements from the following.

What is gamete transfer? State its necessity.