B.Ed

Yes, you are eligible as B.Ed Course Eligibility:
A minimum aggregate score of 50% in graduation is a requisite for admission. A minimum aggregate score of 55% at post-graduate level is mandatory for admission into colleges for the B.Ed curriculum.

You cannot study PG program with class 12th marks.

Yes, you can apply for the exam.

"B.Ed is the 2-year programme and CVRU Bilaspur is the best college in distance courses. I have also studied from CVRU Bilaspur and the management helps a lot and guide for the exam. Degree from CVRU is so valuable and it helps me a lot in getting a job. And the total fees are also around Rs 65000/- only. One can also pay the fees in installments. In my opinion, you should go for CVRU Bilaspur (https://www.cvru.ac.in/). Best of luck

For IGNOU, B.Ed aspirants should hold a Bachelors degree and/or Master's Degree in Sciences/ Social Sciences/Commerce/ Humanity with a minimum score of 50 per cent marks in aggregate. The teacher education programme should also be completed from NCTE through face to face mode. Otherwise you can do this course from other universities through distance learning or regular.

Yes, you can get admission in this college.

For a professor job, you must complete Masters and qualify net exam.

You can join in open colleges like IGNOU.

No, M.Sc. Is not necessary but it becomes priority for some institutions. B.Ed is must.