To pursue a B.Sc. (Bachelor of Science) degree at Government Brennen College Kannur, candidates must meet certain eligibility criteria. Firstly, applicants should have completed their higher secondary education (10+2) or its equivalent from a recognized board or university. They should have studied Science subjects such as Physics, Chemistry, and Biology/Mathematics as part of their curriculum. Additionally, candidates must have secured a minimum aggregate score of 50% in their qualifying examination. However, the eligibility criteria may vary for different specializations within the B.Sc. program, so it is advisable for prospective students to refer to the official college website or prospectus for specific requirements.