Biology Spl

Yes, after completing 12th class studies, you can take admission in BBA. There are too many career options available for 12th science (biology) students. You can check some of the most popular career options here: http://articles.abilogic.com/196120/topmost-career-options-12th-science.html
I hope it will help you to choose the right direction for your career. For colleges go through this link:
https://www.shiksha.com/bba/colleges/bba-colleges-delhi-ncr

The various specialisations in Bio- domain are attracting a good. Number of students because the opportunities have risen in the recent decade due to rise in research options and the role of BioTech, BioChem, etc. You can master the practical learning and go on to have a Master Degree Specialisation that will make it more assured to have a good career.

At Anna University, this course is not available. To see colleges that offer B.Sc. in Marine Biology, please click this link https://www.shiksha.com/science/colleges/b-sc-biology-colleges-india.

A candidate from any stream can study psychology course. You can do graduation course after class 12th, which is a three year degree course. After completing graduation, you can also do Master's degree in psychology and even research works also.

Go through the link below for details :
https://www.shiksha.com/b-tech/gujcet-exam-question-papers.

As you have studied Biology in +2 along with Science. You have a good option to go for Engineering or Medical stream. Just analyse which are your strong subjects and accordingly choose the field of specialisation for Bachelors.

Hello,
Maths is not compulsory. You just need basic knowledge of 11th-12th mathematics and that is enough for what is required. Good luck.

You need Biology as compulsory in addition to Physics and Chemistry for admission.