Hello Sneha sarkar,
it is very good to know that you are interested both in life science and environment. we can guide you to take our career counselling test which will help you to come out of all your confusions.
Replied on - 12 Nov 2020
I would recommend you to take a psychometric test for students. After completing these tests you will have a detailed understanding of your strengths and weaknesses. There are many websites for these. I would recommend to just google it.