Everything you need to know for your GCSE is right here.
These quizzes are very important! The examiner is looking for you to demonstrate two things: firstly, an intimate knowledge and understanding of the text and, secondly, an ability to write analytically.
If you get a 9 or a 10 out of 10 in all these quizzes then you have got the first of these nailed (technical term!). If you pay particular heed to my explanations then you will also have some key elements for your analysis, thus improving your analytical skills.