Hi student,

Yes you can try solving Mock test as much as possible because it will directly polish your in knowledge and helps you in maintaining your memory.

See by studying ncert your can gain good marks in biology sincere most part of biology comes directly from ncert book so donot forget to study it as it will help you in getting good marks.

As you have mentioned by solving previous year papers you can get good marks for sure. So go for it

Stay calm and eat healthy because heakhty body is healthy min.

Do your best and get good score.

Hope this answer will help you.

Thankyou and good luck:)