As per the official notice the entrance test question paper will be up to class X standard comprising 100 MCQ of the below subjects-

1)English

2)Hindi

3)Physics

4)Chemistry

5)Biology and General Studies

You can copy paste and visit the below link to see the official notice for knowing the exact paper pattern-

http://bhuonline.in/pdfs21/SET-2021-Bulletin-English-Final.pdf