hi,

as you have already done b.ed from utter pradesh institution, its certify that you have already done your graduation courses. however jnu has entrance test for post graduate admission. some courses on m.a  needs only graduation in any discipline. there is also ceeb entrance test is conducts by jnu for msc, msc in agriculture and m.tech admission. you may follow the below link to know about the exam details.

https://university.careers360.com/articles/jnu-eligibility-criteria

http://jnu.ac.in/admission/M.Sc.%20Biotechnology%20Prospectus%202019-20.pdf