In angiosperms,the megaspore develops into:

What is the part located at the pole opposite to the micropyle called?

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

Egg apparatus of angiosperms consists of

In a haplontic life cycle,how many of the four haploid nuclei degenerate?

The egg apparatus of an angiosperm consists of: