Completing Class 12 with science opens up many opportunities for higher education. A B.Sc (Bachelor of Science) degree is a popular and reliable choice for both PCM (Physics, Chemistry, Mathematics) and PCB (Physics, Chemistry, Biology) students. B.Sc programmes provide strong subject knowledge and practical exposure, preparing students for careers as well as higher studies.This article lists some of the top B.Sc courses available after Class 12 for both PCM and PCB students. It also explains what each course involves and highlights government colleges and universities in India where these programmes are offered.What is a B.Sc Course?A B.Sc is a three-year undergraduate degree focused on scientific subjects and practical learning. Students choose their specialisation based on the subjects studied in school and their areas of interest. A B.Sc degree can lead to careers in research, teaching, laboratory work, data-related roles and further academic study.B.Sc Courses for PCB StudentsPCB students can choose from a range of programmes focused on biology, life sciences and environmental studies.B.Sc in Biology or Life SciencesThis course focuses on the study of living organisms and their processes. It includes subjects such as genetics, botany, zoology and ecology.Career options: Researcher, lab scientist, teacher, biologistGovernment colleges and universities:University of Delhi (Biological Sciences)University of Calcutta (Life Sciences)University of Madras (Biology)B.Sc in BiotechnologyBiotechnology combines biology with technology to develop products and solutions in areas such as healthcare, agriculture and industry. The course covers molecular biology, genetics and genetic engineering.Government universities:Banaras Hindu UniversityJawaharlal Nehru UniversityB.Sc in MicrobiologyThis programme focuses on the study of microorganisms and laboratory techniques. It is well suited for students who enjoy practical and lab-based work.Government colleges and universities:University of HyderabadOsmania UniversityB.Sc in Environmental ScienceThis course deals with environmental studies, sustainability and conservation.Career options: Environmental consultant, researcherGovernment universities:Banaras Hindu UniversityUniversity of DelhiB.Sc Courses for PCM StudentsPCM students can opt for courses related to mathematics, physics, technology and data-oriented fields.B.Sc in PhysicsThis programme focuses on physical laws, theories and experimental work.Career options: Researcher, teacher, lab technicianGovernment universities:University of MadrasBanaras Hindu UniversityB.Sc in MathematicsThis course covers mathematical theory, statistics and logical reasoning.Career options: Data analyst, mathematician, teacherGovernment colleges and universities:University of DelhiUniversity of AllahabadB.Sc in Computer ScienceThe course includes programming, data structures and the fundamentals of computing.Career options: IT roles, software support, data-related jobsGovernment universities:University of DelhiUniversity of HyderabadB.Sc in Statistics or Data ScienceThis programme focuses on data analysis, probability and interpretation of data.Career options: Data analyst, research assistantGovernment institutes:Indian Statistical InstituteUniversity of MadrasHow to Choose the Right B.Sc CourseChoosing the right course is an important decision. Students should consider their interests, strengths and long-term goals before making a choice.Key points to keep in mind:Review the subjects studied in Class 12, whether PCM or PCBChoose a course that matches your interests and academic strengthsConsider future career options and higher study pathways such as MSc or researchGovernment colleges and universities offer quality education at an affordable cost. These institutions are a good option for students seeking strong academic training without high fees.Final ThoughtsA B.Sc degree after Class 12 provides a solid foundation in science and opens up multiple career paths. After completing a B.Sc, students can pursue an MSc, research, teaching roles or prepare for competitive examinations. Choosing the right specialisation plays a key role in building a successful career in science. Students are advised to check official college websites regularly for updated admission details and eligibility criteria.