Science

Hello Avni, You may check out the syllabus of GBPUAT entrance exam from the link below :
https://www.shiksha.com/university/govind-ballabh-pant-university-of-agriculture-and-technology-pantnagar/pantnagar-university-entrance-exam-syllabus
All the best !

Yes, you can admission in M.Sc in food and nutrition after your B.Sc microbiology.

There are many colleges in India that offer BA course. Let's have a look at the top colleges for BA course:
Lady Shri Ram College for Women (LSR)
Loyola College
St. Stephen's College
St. Xavier's College
Miranda House

You can consider following colleges:
Shri Guru Gobind Singh College, Chandigarh
DAV College
Punjab University
Lovely professional University

Fees charged for the academic program may vary from one institute to another. Course fees depends upon the following factors :
Type of institute (Government, Private, Aided, etc.)
Location of the college
Status and rating of the College
Scholarship status
Government colleges are known to charge low fees. Average fees in private colleges could be anywhere between 50-80K INR per semester.

Yes, you can do M.Sc. (Hons) Maths, after your graduation. Good luck.

PCB (physics, chemistry and biology) students can do B.Sc in agriculture. Practically, it is difficult. Yes, any stream students can get admission in B.Sc agriculture.

Hello,
Please find below the link for best colleges for BCA in Patna:
https://www.shiksha.com/it-software/colleges/bca-colleges-Patna
However, maths is compulsory, but it is not much hard.

You can consider following colleges:
St. Xavier's College
Elphinstone College
SDSOS
Ramnarain Ruia College

Here are some top colleges of B.Sc. Agriculture in Karnataka:
https://www.shiksha.com/science/colleges/b-sc-agriculture-colleges-Karnataka
Here is the list of some top colleges in Tamil Nadu:
https://www.shiksha.com/science/colleges/b-sc-agriculture-colleges-Tamil-Nadu