No, you cannot take BSc admission through KEAM score.

KEAM is organised by the Commissionarate of Entrance Examinations for admissions to BTech courses in Engineering colleges, Medical and Allied courses, BArch and for BPharm.

You should only write the entrance exam if you want admissions into engineering or Pharmacy colleges.

To get admission into BSc courses in Kerala, you should go to the official website of KERALA UNIVERSITY.