Bachelors

Students who wish to pursue M.Sc and MA programs must hold a Bachelor's degree in relevant discipline from a recognized board. For admission to Integrated B.Sc + M.Sc program, candidates must have passed Class 12 or equivalent from a recognized board with Mathematics and Physics as compulsory subjects.
Admission to PG courses available in the college will be granted based on Merit in the Bachelor's degree examination.
It has been released already. Check it here https://www.shiksha.com/college/women-s-christian-college-college-road-chennai-23597

Biology is not related to B.Sc Mathematics in any way. And, biology is not useful too in Maths. It will be helpful to improve your Marks. Hope this helps.

Mithibai College-Mumbai will release it forms for UG course in May 31, 2019 to 15 th June.

Yes, you can easily get scholarship at this score there are various private and government scholarships available for you.

Yes, the degree has a huge scope. By graduating in management studies from a reputed institute, you can develop a career in the following fields:Administration and OperationsProject Management (Executive Level)Enterprise ManagementHuman Resource Management and DevelopmentCustomer ManagementData Management and Systems AnalysisSales and MarketingFinancial ManagementCommunications Management
The average package is between 3 - 5 LPA as a fresher.

You can get the previous year's paper on Delhi University official website.

Hi,
You can find all details of CEPT University here - https://cept.ac.in/. There are a lot of websites that offer CEPT study material for UG, don't tell them, most of them are fake. If you visit Library of CEPT University they provide you all data.

No, it will not affect your future correspondence, but the commerce and fine arts are just different from each other.