Hi

Your profile suggests that you are from UP. So, guessing that you are from UP Board.

The the link to download class 12th Biology UP board model paper in Hindi medium is provided below

https://school.careers360.com/download/sample-papers/up-board-class-12-biology-model-paper-2020

For more papers visit,

https://school.careers360.com/articles/up-board-12th-model-paper

Solving these papers will be very beneficial for you, it will help you to :-

------) know the pattern  of the examination.

------)  know the kind / types  of questions which are there in your  examination.

------)  it will give you an idea of the difficulty level  of  the examination .

------)  you  will get to know the important   topics  which  are  covered and asked often in the exam , so  that  you  can  accordingly plan for your examination.

------) it  will  help  you  to check and gauge your level  for  preparation for the examination,

------) it will let you  know  your areas or the topics you are weak at so that you can work on them  and   can  perform  even better in your examination.

------)  will   help you to improve your time management skills so that in your actual examination you can solve questions with better speed and accuracy .

Good luck for your examination preparation.

I hope that you find this helpful.

Thank you