Pollination is best defined as:

In which plant does pollination occur by a moth?

Pollination by birds is observed in plants with:

Cross pollination does not occur in

Statement-$I$ :- Animals are attracted to flowers by colour or/and fragrance.
Statement-$II$ :- To sustain animal visits,the flowers have to provide rewards to the animals.

Identify the types of pollination $P, Q$ and $R$ in the given figure.
$\quad\quad\quad P \quad\quad Q \quad\quad R$