No to your first question.
The question format of paper 1 is:
A choice of two data responses which include
1) two mark data calculation question
2) four mark "explain from the data.." question
3) One 9 mark analyse/explain question
4) A 25 mark essay question
A choice of 3 essay/15 mark questions
1) A 15 mark analyse/explain question
2) A 25 mark essay