Question

Please help me i really need it i'm in desperate NEED!!!!

Answer 1

A. I guess that the character from The Importance of Being Earnest that resembles Wilde most would be Algernon. 
He is flamboyant, and a party-maniac, and loves to make fun of other people who are not like him. Wilde was like that in his real life too - he was a Victorian man but completely against that period, and he loved to express himself in a manner that would often weird out other people. Algernon is Wilde's voice in the play - he comments on other characters and criticizes them for their exaggerated Victorian values that Wilde hated with a passion.
B. Verbal irony is a sarcastic way of saying opposite of what you actually mean. Dramatic irony is when the readers know something that the characters in the play are unaware of. Situational irony occurs when expectations of what is going to happen and what actually happens do not match. 
As for the examples, I don't have the play on me, just use these definitions and find them for yourself. :)