Science

No, you can pursue B.Sc without completing class 11th and class 12th.

There is no correlation of doing B.Sc. And then doing MBA or M.Sc. Then MBA. Rather MBA is a degree which is primarily done to get in to management and leadership roles but this degree will help you get better role in management.

As of now students with Biology as an additional subject are eligible for NEET so going by this. Yes, you would be eligible for NEET 2022 if you are a PCM student and giving Biology as an additional /optional subject.

The modern life with all its facilities, convenience and pleasure is possible because of our engineers. It is not money and power that makes a man but service to people. When people make fun of engineers actually unknowingly they make fool of themselves.

Yes, you need Maths for BMS.

The value of MBA is less than M.Sc.

No, that is not possible.
You have to take again HSC with Science for biology.

Eligibility criteria for the admission is the student must hold the Bachelor degree in the relevant field with atleast 40%marks. Fee-Courses fee for this programme is INR 10000-25000 depending on the university.

The University of Horticultural Sciences, Bagalkot, offers a B.Sc. in Horticulture Science on the basis of the KCET exam. The fee structure is as follows at UOH:
1. The first-year fee is Rs. 39,385 inclusive of the admission fee.
2. The second and final year fee is Rs. 36,270.
3. The total fee for the BSc in horticulture science is Rs. 1,11,925.
4. The fee is charged semester-wise for six semesters but can be submitted annually as well.

Each college follows their own admission process. However there is the generalized application process for the course
Each college has different helpdesk number .For ignou you may contact Centralised Student Registration Cell at 011-29571301or 011-29571528, for UP Bed contact 9258559253, 9258538874 and likewise.