How many cotyledons does a typical dicot embryo possess?

The 'haustorial embryo' is generally found in the seeds of......

The diagram below shows a fertilised ovule and carpel. Which numbers represent the structures which will become:
$(i)$ The future embryo
$(ii)$ The future testa
$(iii)$ The future micropyle of the seeds
$(i), (ii), (iii)$ respectively?

In $Pinus$,the third tier of embryonal cells from below is known as:

What do '$P$','$Q$',and '$R$' represent in the given figure?

The function of the suspensor in angiosperms is to .....