rethorical question. Why are you so forgetful. With rhetorical questions you do not want to elicit an answer but emphasise something: your forgetfulness.
Academic question: Your question is a such one. It has no relevance to every-day practice.
Embedded question: embedded means something is fixed, takes place firmly (in the sentence).
I do not know why you are late all the time?
Hypothetical question: One that has no effect on the situation:
You are applying to a post at a company and a good command of English is a requirement. You say you have an advanced level certificate.
Hypothetical question: which one?
Leading question: your answer is yes or no.