Hello aspirate 

Since the closing rank for SC candidate for B.Sc hons. Bio group  is expected to be under 325 and since your rank comes under it you have pretty chances of getting seat in BHU under this UG course. 

For reference use the link below 

https://www.google.com/amp/s/university.careers360.com/articles/bhu-uet-cut-off/amp

Good luck