No it shouldn't be.
No, the word "novel" does not have to be capitalized in every sentence. It should be capitalized only if it is the first word in a sentence or part of a title.
When writing essays they shouldn't actually be capitalized. They should just be incorporated into your writing.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
It should only be capitalized if it forms part of a title.
As an abbreviation it should be capitalized.
Yes it should be capitalized.
Yes it should always be capitalized.
Yes it should be capitalized.
No it should not be capitalized.
The first 'c' should be capitalized.
Yes, it should be capitalized.
No. It should not be capitalized.