Hello,

You haven't mentioned the name of the board, I'm assuming it's for CBSE Board, you can visit our page at https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-12-biology to check out the previous year paper of biology for class 12th along with the solution, this will make you familiar with the chapters/topics to give importance, the way questions are framed, through consistent practice you can analyze your preparation level, and improve upon your speed, and time management skills.