Dual

Integrated course provide you both bsc and msc for only bsc opt bsc only course.
The minimum eligibility criteria needed to be met for admission to the course are: Higher Secondary (10+2) qualification completed from a recognized university, with a minimum aggregate score of 50%. Science subjects such as Physics, Math, and Chemistry as the main subjects of study at the 10+2 level.

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.
Subjects Required: Graduation/Post Graduation from the recognised university.

Yes, you are eligible for the same and for further information I am sharing the link https://www.shiksha.com/exams/kset you may find more relevant things which you are looking for.

If they provide integrated course then definitely you can apply. The integrated M.Sc. + B.Ed in chemistry, the process is you have to appear for CUCET and admission is based on the counseling and score obtained in CUCET. I am sharing link of respective college https://www.shiksha.com/university/tezpur-university-tezu-269/courses you may find important detail which you are looking for.

The NorthCap University is the best college for integrated law courses. The eligibility criterion for admission in 5 Years B.A. LL.B. (H) Degree Programme:
Applicant must have obtained minimum 50% Marks in Aggregate in 10+2 and Minimum 50 Marks in English. Applicant must have written CLAT 2019/ AILET 2019/ ISAT 2019/ NCU-Law Entrance Test 2019. 40% weightage will be given to obtained in 10+2 and 60% weightage will be given to marks obtained in CLAT 2019/ AILET 2019/ ISAT 2019/ NCU-Law Entrance Test 2019 for the purpose of preparation of Merit. Visit: https://www.ncuindia.edu/.

No that would not be possible. Unless your university has a UGC authorized credit transfer policy.

That depends on the college and whether your Diploma is considered equivalent to class 12th.

It depends on the college you are applying to. You must check the central university websites you are thinking to apply to, UGQP1 and UGQP2 are different for different courses in different universities. Some universities may also require you to fill up counselling forms.

No, there is no integrated course. You have to do LL.B. First and then only LL. M.