u/Affectionate-Egg9622

Hiii!! as the title suggests i need help in boosting my bio score. If i get 300+ i can definitely reach my overall score goal. Please please please leave your tips and advice in the comments. Thank uuu:)

Hi guys ive been stuck at 300-370 and i rlly need arnd 450-470, what do i do. theres barely any time left. ive given up on physics. anything i should do for bio and chem to boost score by 70-100 marks.
ive been scoring
bio- 240-260
chem 50-75