Yes
The genus name is always capitalized in a scientific name.
Yes, the word 'honey' is both a noun and an adjective.The noun 'honey' is a word for a substance made by bees and other insects from nectar collected from flowers; a word for a thing.
No, seasons are not capitalized.
"Can" is typically not capitalized in sentences unless it is the first word or part of a proper noun.
No it shouldn't be capitalized. Seasons aren't capitalized.
No, keywords do not have to be capitalized.
No it's not capitalized.
No it shouldn't be capitalized.
Wikipedia is capitalized.
No, it is not capitalized.
It should be capitalized if it follows or precedes a name.