Hii dear

let me clear your doubt.

Here is list of best books for BHU, bsc (agriculture)  entrance exam. These are

BHU Banaras Hindu University Bsc Entrance Exam by Arihant Expert

BHU BSc Math Group Entrance Exam by Arihant Expert

BHU BSc Bio Group Entrance Exam by Arihant Expert

BSc Agriculture Entrance Exam by Arihant Expert

BHU BSc Ganit Varg Parvesh Pariksha by Arihant Experts

I hope my answer will be helpful for you

Good luck