B.Sc

Firstly, you have to select particular subject for B.Sc. If you select subject you have mentioned, then you are eligible.

Hi,
B.Sc (Hons) (Agriculture) degree is qualifying 10+2 or equivalent examination, with Physics, Chemistry, and Biology as subjects studied at intermediate level. Some reputed colleges and institutes demand a minimum of 50% marks in 10+2 as qualifying criteria to secure admission in this degree course.

No, you are not eligible for M.Sc Bioinformatics. For doing M.Sc Bioinformatics, candidate should have B.Sc in biotechnology / microbiology / biochemistry Science.

Hi, you may predict your college here https://www.shiksha.com/b-tech/resources/kcet-college-predictor.This link will help you to know better which college you may get.

Here you get complete information about eligibility and admission process:
https://www.shiksha.com/science/course/b-sc-in-biotechnology-d-a-v-college-Jalandhar-115661
Thanks.

Shivalik College is a good college for doing B.Sc in agriculture. It provides good placements to students. This college provide good facilities to students as well as the environment is too good.
The best colleges list for B.Sc agriculture is here:
https://www.shiksha.com/science/colleges/b-sc-agriculture-colleges-india
Hope it helps you well.

If you have clear your last semester, then you can take admission for aviation.

Hello,
Normally no, but then it actually depends on the institution where you want to go to. Some give admission based on NEET ranking while in some it's marks of class 12th. But, some do conduct their own entrance exam. Best wishes to you.