There are approx 80 plus colleges under DU so it shall be not that easy to tell you colleges under Bsc here but yes I can help you with what all colleges in DU under science stream you can expect based on your score/percentage.

For Bsc in Bio, Eligility states:

Candidates must have studied Physics, Chemistry and Biology/Bio-technology as main subjects and should have secured a minimum of 55% marks in aggregate of three subjects and 50% marks in English as a compulsory subject.

So PCB counts.

You can check through DU Science college predictor your chances in DU along with science courses you can expect.

Hope this works out for you!