CBSE 12th

You can review the mark-list of 12th Board Exams and taking the marks of both Physics and mathematics, and take the sum. The sum got can be compared with the full marks that subject provides. Compare the marks got by summing with final marks divided by 100. The percentage can be found out.

Yes, there are seats available for Pharma. D for students who have completed 12th Board Exams. You can write the NEET Entrance exams for joining the colleges providing Pharma. D, either you can apply for the course without NEET Exam results.

Yes, for sure. You will get admission in a better college with better scopes of Higher Education.

It's quite low
But you can get admission in other good colleges with these marks.

You can pursue many courses like bcom honors, bcom programm, bba, bms, bsc, ba programm etc

If you are planning for B.A. Then commerce background or arts background you can do it. If it's in Germany you have to check the cutoff on the Germany colleges so that you apply to that college. And if you are study abroad colleges you have to know the language of teaching of that country so as to cope up with the studies and adjust to the environment simultaneously.

Not necessary to take Mass communication as optional subject in 12th for getting admission in Bachelor's degree. Minimum 50% marks in 12th with English is very good enough for Bachelor courses.

Yes,
Mathematics is an important domain for CUET exam
The Mathematics question paper contains 50 question from which you can answer any 40.

Yes obviously you can get admission. As I am from Punjab and I can tell you Chandigarh University offers B.Sc. In agriculture with 10+2 or equivalent with Physics Chemistry and Mathematics/ Biology/ Agriculture with at least 60% marks in aggregate. You just have to appear in CUCET test for scholarship and take admission.

Original marks (70 and 65) will be considered for college admission.