Which plant can propagate vegetatively at a phenomenal rate and spread all over the water body in a short period of time?

How many of the following statements are true about angiosperms?
$A$. The generative cell floats in the cytoplasm of the vegetative cell.
$B$. The stalk of the ovule is called the funiculus.
$C$. Pollen grains are shed at the two-celled stage.
$D$. The embryo sac is diploid.
$E$. The megaspore mother cell towards the chalazal end becomes functional.

What type of gametes are found in $Capsella$?

Identify $X$ and $Y$ from the figure.

Choose the odd one with respect to the gynoecium.

Match List-$I$ with List-$II$:

List-$I$ (Types of Stamens)	List-$II$ (Example)
$A$. Monoadelphous	$I$. Citrus
$B$. Diadelphous	$II$. Pea
$C$. Polyadelphous	$III$. Lily
$D$. Epiphyllous	$IV$. China-rose

Choose the correct answer from the options given below: