Hello aspirant!
Hope you are doing well!

Since you have not specified any board, or any level of education, it becomes a very general question.
Although there are various question papers of biotechnology available in careers360platform. Kindly visit the following links for more information

1. https://school.careers360.com/download/sample-papers/isc-12th-biotechnology-question-paper-1-2017

2. https://school.careers360.com/download/sample-papers/isc-12th-biotechnology-question-paper-2-2020

3. https://school.careers360.com/download/sample-papers/isc-12th-biotechnology-question-paper-1-2017#

4. https://school.careers360.com/download/sample-papers/manipur-board-12th-biotechnology-question-papers-2017
You may find various other question papers available in careers360 website.
just search "Biotechnology question paper" in search menu!

hope this helps!