$A$ typical angiosperm embryo sac at maturity contains .....

In an angiosperm,if the haploid chromosome number is $12$,then the number of chromosomes in the integuments and synergids will be respectively:

The ovule is attached to which of the following?

Identify the correct option for $P$ and $Q$ based on the number of ovules in an ovary:
$P$: Number of ovules in an ovary is one
$Q$: Number of ovules in an ovary is more than one
$\quad\quad\quad\quad P \quad\quad\quad\quad\quad\quad\quad\quad Q$
$(A)$ Papaya,Watermelon,Mango | Wheat,Paddy,Orchid
$(B)$ Wheat,Paddy,Orchid | Papaya,Watermelon,Mango
$(C)$ Wheat,Paddy,Mango | Papaya,Watermelon,Orchid
$(D)$ Papaya,Watermelon,Orchid | Wheat,Paddy,Mango

The formation of embryo sac is called

The part of the pistil that receives pollen is: