Identify the given types of inflorescence.
$P \quad Q$

The zigzag development of flowers on the floral axis is known as ..........

The special type of inflorescence found in $Ficus$ where the female flowers are at the bottom and male flowers are near the ostiole,and the whole structure is enclosed within a cup-shaped fleshy thalamus $(receptacle)$ with an ostiole,is called:

Cyathium inflorescence shows

The number of female flowers in a cyathium inflorescence is ............ .

The inflorescence of $Gramineae$ (Poaceae) is .....