Based on the $\underline{x}$ of pollen grains,pollination can be divided into $\underline{y}$ types.

Which of the following statements is correct regarding maize?

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 are the dominant biotic pollinating agents?

Assertion: $Chasmogamous$ flowers require pollinating agents.
Reason: $Cleistogamous$ flowers do not expose their sex organs.

Flowers which have a single ovule in the ovary and are packed into an inflorescence are usually pollinated by: