Hey there
You can get answer of your question by clicking the below link in which Biology papers of previous year are given. Kindly go through the link for your answer:
https://www.google.com/url?sa=t&source=web&rct=j&url=https://school.careers360.com/download/sample-papers/cbse-12th-biology-question-papers-2020&ved=2ahUKEwjpw9yQjKfzAhUa4XMBHQDzBMoQFnoECAcQAQ&usg=AOvVaw2JWIV5ujGHd27r05HR6-dY
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