Hello Kushi,

No, there is no need of entrance exam for study B.Sc Life Science in Colleges affiliated to Delhi University. You must have passed 10+2 or equivalent exam with minimum 40 percentage in compulsory English language and 45 percentage in Chemistry, Physics and Biology/ Biotechnology/ Biochemistry subjects from a recognised Board.

To get more information about B.Sc Life Science Colleges in Delhi go through below mentioned link.

https://university.careers360.com/colleges/list-of-life-science-degree-colleges-in-delhi

I hope this information helps you.

All The Best!!