Hello. Since you haven't mentioned in which field you want to do BA (hons.) therefore it is not possible for me to exactly tell your syllabus for BHU UET 2019. Though common topics for BA (hons.) are general awareness, general mental and numerical ability, awareness about plants, animals and environment, etc.
To know your exact syllabus, exam pattern for your preferred course you can check the below link.
https://www.google.com/amp/s/university.careers360.com/articles/bhu-uet-exam-pattern/amp
Hope this helps. For further queries feel free to comment down below.
Good luck!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile