1. chapter: novel
2. orange: citrus
3. vehicle: transportation
In order to be able to answer this, we'd need to know what book it is you're reading, as well as the answer choices as the question asks "which of the following best" meaning that they want you to choose the best answer from the choices they’re giving you.
A common noun are words like house. Year
Conflict is the base of the story. Without conflict, the story has no plot, the characters don't experience anything, and there isn't really any developments at all. As for the second question, I think that's your own opinion.
