People
Places
Professors
Spells
Wildcard
100

Harry's surname

What is Potter

100

The platform 9 3/4 can be found here.

What is King's Cross Station?

100

Harry's first-year headmaster

Who is Albus Dumbledore?

100

Hagrid's spell leaves Dudly with this

What is pig tail?

100

The number of goalposts in Quidditch.

What is six?

200

Non-magical person

What is a muggle?

200

If you want to be cool, you know you buy all your Hogwarts school supplies down this street

What is Diagon Alley?

200

Transfiguration is taught by

Who is Professor McGonagall?

200

To unlock a door you say this

What is "Alohomora"?

200

The three-headed dog. 

Who is Fluffy?

300

The Weasly Children

Who is George, Fred, Percy, Charlie, Bill, and Ginny?

300

Only the goblins know the secrets of this place.

What is Gringotts?

300

He never became a professor, and Mrs. Norris is his only friend.

Who is Argus Filch?

300

To levitate an object you must use this spell.

What is "Wingardium Leviosa"?

300

JK Rowling was this before she was an author.

What is a teacher?

400

The occupation of the parents of Herminone

What are dentists?

400

Hagrid visits this vault.

What is 713?

400

First-year teacher of the Defence Against the Dark Arts

Who is Professor Quirrell?

400
Ron uses "Wingardium Leviosa" in the bathroom on this object

What is the trolls club?

400

The commentary for the Quidditch matches at Hogwarts are reported by this person.

Who is Lee Jordan?

500

Hogwarts Nurse

Who is Madame Pomfrey?

500

The residence of the Durselys

What is No. 4 Privet Drive?

500

She said, "Always wear your earmuffs when handling the mandrakes!"

Who is Professor Sprout?

500

The full body-binding also known as this. 

What is "Petrifuicus Totalus"

500

Ms. Mo belongs to this house, while Mr. McGrew is in this one. 

What is Hufflepuff and Slytherin?