B.Sc

Hi,
B.Sc microbiology course is not present in Presidency University, Kolkata.
For more detailed information, you can see below link
https://www.shiksha.com/science/course/amp/b-sc-hons-in-biological-sciences-presidency-university-kolkata-college-street-271002
Thanks!

Yes, you can easily get admission in this college with this score. But, you should try for the other good colleges like colleges in Delhi, Ghaziabad and other private colleges as your score is quite good but as for this college the minimum eligibility is 70% for the B.Sc. Course.

Yes, you are eligible to do M.Sc in maths.

If you are a PCB student, you should go with B.Sc. But if you have less interest, then go with BA.

B.Sc in Media Science is three years undergraduate programme after completing 12th. It has scope in various News channels, Entertainment channel, Media labs, Online video making, etc.

B.Sc in Opthalmology is a undergraduate programme after completing 12th Science with Physics, Chemistry, Biology. It is a three years programme! A salary of Opthalmologist varies from clinic to clinic or hospital to hospital. Starting package is less, but, once you get experience package will increase.

1. You can pursue higher studies in Biotech and life sciences
2. You can get a job in Research and Development
3. Can teach in your favorite organisation/University
4. Get a job in intellectual Property research and Patenting
5. Apply in government sector
6. Apply for a job in private sector
7. Apply for a sales job in Biopharma Industry
8. Become an Entrepreneur.

In second year? A big no, you'll gave to study from year 1.

Yes, you can go for it!
You should not bother about stream which you have studies. Anyone can do these type of courses.

Yes, you can retake admission for your UG course. The admission will be based on a personal interview wherein your aptitude for the course will be determined. And you can't say that the college is best for this course, but a fine one.