What branch of magic is Snape teaching Harry in the Order of the Phoenix that "seals the mind against magical intrusion and influence?"

“Is it true that you shouted at Professor Umbridge?" "Yes." "You called her a liar?" "Yes." "You told her He Who Must Not Be Named is back?" "Yes." "Have a biscuit, Potter.”

What was the name of the paper that Luna Lovegood's father was editor for?

“Death's got an Invisibility Cloak?" Harry interrupted again. "So he can sneak up on people," said Ron. "Sometimes he gets bored of running at them, flapping his arms and shrieking...”

Who is the Half-Blood Prince?

“Ah" said Dumbledore gently, "Yes I thought we might hit that little snag!" "Snag?" said Fudge, his voice still vibrating with joy. "I see no snag, Dumbledore!" "Well," said Dumbledore apologetically, "I'm afraid I do." "Oh, really?" "Well it's just that you seem to be labouring under the delusion that I am going to -- come quietly. I am afraid I am not going to come quietly at all, Cornelius. I have absolutely no intention of being sent to Azkaban. I could break out, of course -- but what a waste of time, and frankly, I can think of a whole host of things I would rather be doing.”

“How do you feel, Georgie?" whispered Mrs. Weasley. George's fingers groped for the side of his head. "Saintlike," he murmured. "What's wrong with him?" croaked Fred, looking terrified. "Is his mind affected?" "Saintlike," repeated George, opening his eyes and looking up at his brother. "You see...I'm HOLEY, Fred, geddit?”

True or False? Do you earn O.W.L. grades to continue to N.E.W.T. levels ?

“Harry looked around; there was Ginny running toward him; she had a hard blazing look in her face as she threw her arms around him. And without thinking, without planning it, without worrying about the fact that fifty people were watching, Harry kissed her. After several long moments, or it might have been half an hour-or possibly several sunlit days- they broke apart.”