In which of the following plants is pollination by water most commonly observed?

Anemophily is $NOT$ observed in

Bisexual flowers that never open in their lifetime are called ....

Given below are two statements:
Statement $I$: Fig fruit is a non-vegetarian fruit as it has enclosed fig wasps in it.
Statement $II$: Fig wasp and fig tree exhibit mutual relationship as fig wasp completes its life cycle in fig fruit and fig fruit gets pollinated by fig wasp.
In the light of the above statements,choose the most appropriate answer from the options given below:

Which of the following is a bisexual and self-pollinating flower that never opens?

The insect $Blastophaga$ $grossorum$ is associated with the pollination of