hii aspirants 

let me clear your doubt. Admission to B.Sc. Biotechnology is taken on the basis of  entrance exam . Here are list of few entrance exam like AIIMS Biotechnology entrance test,  JNU (Jawaharlal Nehru University) Combined Biotechnology Entrance Examination,CBEEE (Combined Biotechnology Entrance Examination),DU (University of Delhi) Biotechnology Entrance Examination.

I hope my answer will be helpful for you Good luck