As per your request I am providing you the details of career opportunities after science biology in 12th.

Subjects such as physics, chemistry and biology (PCB) are required for you to take up careers in medicine or dental studies, biochemistry, biotechnology, microbiology, agricultural and dairy science. Options are also available in the paramedical and allied fields such as Nursing, Physiotherapy, and Occupational therapy, Audiology, Speech Therapy, Medical Lab Technology, Optometry, Nutrition and Dietetics, Pharmacy etc.

Those interested in animal husbandry and veterinary science can take a career as a veterinary doctor.

Lists of PCB courses available for you is:

MBBS Bachelor of Medicine and Bachelor of Surgery
BHMS Bachelor of Homeopathy medicine and Surgery
BAMS Bachelor of Aurvedic medicine and Surgery
BUMS Bachelor of Unani medicine and Surgery
BDS- Bachelor of Dental Surgery
B.Sc and AH- Bachelor of Veterinary Sciences
B.Sc- Bachelor of Science
B.Sc Microbiology- Bachelor of Science in Microbiology
B.Sc Biotechnology- Bachelor of science in Biotechnology
B.Sc Bio Chemistry- Bachelor of science in Bio Chemistry
B.Sc Nursing
B PT- Bachelor in Physio Therapy
B Pharm- Bachelor in Pharmacy
B Sc Agriculture- Bachelor of Science in Agriculture
B.Sc. Horticulture
B.Sc Environmental Science- Bachelor of science in Environmental Science
B F.Sc- Bachelor in Fisheries Sciences
B.Sc MLT- Bachelor in Medical Technology
B.Sc Occupational Therapists
B.Sc. Audiology
B.sc Speech and Language Pathology
B. Sc Radiography
B.Sc. Rehabiliation Therapy
B.Sc. Food Technology
B.Sc Nutrition and Dietetics
B.Sc Botany
B.Sc Zoology
B.Sc Anthroplogy
B.Sc Home Science

Lists of PCM courses available for you is:

B Tech/ BE
B Arch- Bachelor in Architecture
B.Sc Nautical Science
B.Sc- Bachelor in science (Physics/ Chemistry/Mathematics)
BCA- Bachelor of Computer Application
B.Sc IT- B.Sc in Information Technology
B Pharm- Bachelor in Pharmacy