B.Sc

B.Sc. Biotechnology has lots of career opportunities as compared to B.Sc. Life Science. You will get good salary also. And placement is always a surity in biotechnology.

No there would be physics, chemistry also. May be some reasoning questions as well.

Yes, they take an simple entrance or interview. Visit their official website and contact them for more details.

BCA is a job oriented course so you should go with BCA. Well if you want to go with B.Sc. Then choose some career oriented, job oriented courses like B.Sc. In biotechnology, B.Sc. In agriculturem etc.

BCA is a job oriented and career oriented course.
You should go with BCA.

If you want to leave B.Sc then you must leave it. As far as I know, if you want to prepare for IAS then B.A. will be a better option. Good luck!

Yes, you may, but you have to score good marks in maths to get a good college. Al the best.

The selection procedure is 55% based on your performance in the personal selection procedure by the institute and 45% is based on your CAT exam scores.

The best colleges for this course are:
Tamil Nadu Agricultural University Coimbatore
Jawaharlal Nehru Krishi Vishwa Vidyalaya
Mewar University
Lovely Professional University Punjab
Anna University
Acharya Ngranga Agricultural University Hyderabad
Govind Ballabh Pant University of Agriculture and Technology