No.
Yes, when mentioning the name of a specific place in a story, it is common to use quotation marks to set it apart from the rest of the text and denote it as a proper noun. This helps to clearly identify the place and avoid confusion.
Quotes....
No.
no- you put quotes around the section of the poem that you used. then, in parenthesis, you put the author's name.
If you are writing an obituary, then yes. In books, you will see them as a normal name: capitalized
No
possibly
No, you don't. You only put quotes around what someone is sayng. For example or what someone is saying: "I can go to the grocery store,"
You would underline or italicize the name of the book on tape rather than use quotation marks.
Put quotes around the name of the poem. I'm not sure about long poems though, I'm looking into it currently.
In a story, it is not necessary to put quotes around a road sign. Simply italicizing the text of the road sign is sufficient to indicate that it is separate from the rest of the narrative.
no i think you underline it