If I could be a plant than I would be a(n):
Basil.

If I could be a flower than I would be a(n):
Hmm... Peace Lily (Because I'm laid back)

If I could be a planet than I would be a(n):
Pluto. I AM A PLANET DAMMIT.

If I could be a color than I would be a(n):
Blue (Metallic)

If I could be a book than I would be a(n):
A discworld novel.

If I could be a song than I would be a(n):
Soft rock or classical.

If I could be a vegetable than I would be a(n):
Yam. (Sweet Potato)

If I could be a tree than I would be a(n):
Cherry Blossom!

If I could be a candy than I would be a(n):
Bourneville chocolate

If I could be an animal than I would be a(n):
Cat. Apparently I'm very cat-like in behaviour..

If I could be a gem than I would be a(n):
Sapphire

If I could be a mythological creature than I would be a(n):
Feng-Hua

If I could be a season than I would be a(n):
Autumn. Only one that fits XD

If I could be a city/town than I would be:
Some sort of nature/cyber fusion, like in 1,213,312,543+ anime... but seriously, I like them, and they work.

If I could be an insect than I would be a(n):
Grasshopper. Just so I can go "Young graaaaaaassshoooppeeeeeeeeer"

If I could be a fruit than I would be a(n):
Banana, obv.

If I could be a subject than I would be a(n):
Maths. (No brainer on this XD)

If I could be an element than I would be:
Carbon (Can be fractlistic in nature)

If I could be a language than I would be:
Probably C++ or ASM >_>. (They're languages, just not spoken!)