Misc: What state has the yellow hibiscus as the state flower?

Questions

Which is the largest of the Italian lakes?

Which character did Lewis Carroll's Alice meet, sitting on a mushroom smoking a 'long hookah'?

Which character is the narrator of Melville's Moby Dick?

Musically, who described herself as 'The Last of the Red Hot Mommas'?

Singer Sarah Brightman was the second wife of which composer?