The word bishop should only be capitalized when it directly precedes a name. Bishops in the plural form, therefor, wouldn't be capitalized.
At the beginning of a sentence, after a full stop or at the start of a new paragraph.
No, only after a full stop (period). Also do not capitalise "The" and "A" in your sentence.
You do not capitalize chickenpox in a sentence. The exception is if the word is the first in the sentence.
No, there is no need to capitalize 'nun' or 'nuns' in a sentence.
No, you do not capitalize "first birthday" in a sentence.
You only capitalize 'deceased' if it is at the start of a sentence.
No, you do not capitalize marine biologist in a sentence. (Unless marine is in the beginning of the sentence)
Yes, you always capitalize a day of the week.
It depends on where you put it in a sentence. Of coarse in the beginning of a sentence you capitalize space but by it's self no you don't capitalize.
You should not capitalize a sentence fragment following a colon.
No you do not capitalize artist in a sentence
no or at least not any more than i capitalize the word sentence in a paragraph