B.Sc Scope

Yes, nowadays MCA is in trend and if you pursue MCA from a good college, you can expect a bright future and many more opportunities in the coming future. Also, there is no issue with your percentage, it's good.

You can opt for either M.Sc or MBA so that you will be getting the in-depth knowledge of both the streams and then you can either apply for government exams or prepare for teaching line as well. Whichever thing allures you the most.

Either go for M.Sc or some job in nursing. With the context of nursing, apply once abroad. A lot of opportunities are available abroad in the stream of nursing.

https://www.shiksha.com/science/articles/job-options-after-bsc-degree-know-salary-packages-blogId-13469.

Hello Anusha, No, there is no bright future for B.Sc. in biotechnology instead of B.Tech in biotechnology.

There are many options after B.Sc Physics, it only depend on your area of interest:B.Tech Electronics
M.Sc Acoustics
M.Sc Applied Electronics
M.Sc Astronomy
M.Sc Astrophysics
M.Sc Electronics
M.Sc Geophysics
M.Sc Medical Physics
M.Sc Nuclear physics
M.Sc Physics
M.Sc Physics
M.Sc Vacuum Sciences
Master in Atomic and Molecular Physics
Master's Degree Physics
MBA
MCA
PG Diploma in Physics
Postgraduate Certificate and Diplomas Physics
Postgraduate Certificate in Education Physics.

You can pursue M.Sc in Quantum physics, even if you haven't studied it. In your graduation, you just have to come up with the new syllabus. And, remember to cross check the same thing with the college you are trying to apply in.

B.Ed is the best field to enter the teaching field, because it is much valued in India, and if you want to do some research or complete doctorate in Science stream, then go for B.Sc and M.Sc.

You have not provided enough details in your question, but still as a suggestion I recommend you to do M.Sc after B.Sc. And, enter the teaching field by clearing CET and NET.