Illusion confusion?

Question

Does illusion where off if hit by status? what happens if ditto tranforms into the illusionist? does it wear off with passive damage? is there any way to tell the differance between them?

My Zoroark(Timid)

Dark pulse(STAB)

Flamethrower(Covers bug/steel)

Extrasensory(Covers fighting)

Nastyplot(DIE!)

Answer 1

1. I don't believe so.
2. I doubt ditto will be able too.
3. Any damage I believe.
4. Difference between who? Zorua changes into a complete replica of your last party Pokémon.