Science

Hello Harshini Raj,
Please refer to the official website of CUSAT where you may get previous year questions, however, I will suggest you purchase a previous years questions book which is readily available in the market.

Opt for M.Sc in medical microbiology. It has a good scope.

Yes surely you can pursue after doing your Bsc. 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 Balla

Delhi University, IPU and some private universities like Amity University are the good options to pursue B.Sc.

If you have good grades in 12th, you will easily get admission there. Just calculate your best 4 and check whether you are eligible for the courses by seeing the cut-off on the DU official website (or check if any entrance test is there for the courses you have mentioned, on the official website of

Apply for DU in June-July when registrations start. It offers B.Sc in Botany and B.Sc in Zoology.

You should do B.Sc (Hons) in Botany. It has good future prospects.

Kindly visit the links mentioned below:
https://www.shiksha.com/science/colleges/b-sc-colleges-mumbai-all

After completing your graduation, you can go for M.Sc Zoology, botany and chemistry as per your interest. You can also apply for Diploma course DMLT, MBA, B.Ed (NET, SET - after M.Sc. Or else, prepare for civil services, banks exams and other competitive exams.
Good luck.

As per your background, I would suggest you opt for M.Sc in Biotechnology, whereas, it completely depends upon your interest. I have one of my classmate who did Bachelors in Biotechnology with me and then moved on for Mass communication for Master's degree because of his interest.