Class 12-arts

Yes, it is possible to pursue a dietitian or nutrition course after completing 12th standard in the arts stream. However, you may need to meet certain prerequisites or complete some additional coursework before beginning the programme. Some dietitian or nutrition programs may require a background in

Yes, you can apply for it without science stream also.

You can pursue:
B.A (Economics)
BBA
BBM
B.Com.

Yes, no matter from which stream you come from you can apply for BA.B.Ed course.

But if you pass 1st PUC with PCMB as your subjects then there is no chance to change it. Always select the subject which interests you and what you want to pursue in future. Even subjects which are interesting to you may be difficult.

It's not possible to change a stream in 12th but yes there is no restrictions after 12th. You can't go in any other field, you can choose your career option, you check eligibility for it.

Class 12th exam is a Once-and-for-all exam which can not be altered in any case once the result has been declared. The graduation marks are a seperate thing and field of study and does not in any manner affect the class 12th marks.

You will get admission in various paramedical courses.

Class 12th marks do have a little role in clearing the cutoff marks of certain colleges. But if you clear the entrance exams of any college, it will not impact that much in the admission process. But giving you a clear answer it does have certain consequences.

No, you're not eligible for SSC exam if you have passed class 12th. As per the eligibility criteria, you need to have a Bachelor's degree from a recognized university.