Hello,
It is compulsory that the student must have minimum aggregate score of 50% and 45% for SC/ST .It both Higher Secondary and Senior Secondary levels.  Physics, Biology and Chemistry should be the main subjects at 10+2 level with a minimum aggregate marks of 60% in all three.
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
Thank you.

Hi..
B.Sc in Biotechnology Eligibility Criteria

Candidates seeking admission to B.Sc in Biotechnology should have passed 10+2 with Physics, Chemistry and Biology as the mandatory subjects from a recognized board.