Hey Aspirant, there are a bunch of options after 12th from biology stream. Starting from the very common one MBBS, BDS, B.PHARM, BIOTECH, Agriculture , but there are other barely known courses which are highly in demand in the market. Some of them are :-
Physiotherapy (BPT)
Ayurveda- BAMS
homeopathy - BHMS
Veterinary science and animal husbandry - BVSc. AH
Medical Lab technology - BMLT
Optometry
Opthalmic Technology
Health inspector
Specialization in radiology
Dental hygiene
Zoology, botany
There are abundant courses out there you just have to find the right one for you.
Good luck!

Hello,

With Bio Group at 10+2 level there are many options such as appearing for NEET regarding admission of various courses such as MBBS,BDS,Bachelor of Homeopathy Medicine and Surgery,Bachelor of Unani Medicine and Surgery/Bachelor of Ayurvedic Medicine and Surgery, in states like Maharashtra even for BPT NEET scores are considered. There are other options such as BDes,BPharm. Bachelor of Optometry, BASLP, Radiology, Occupational Therapy,

Candidates who are interested in research and higher studies pursuing a career in academia can go for integrated courses from top institutions such as

BS-MS Dual Degree from IISER
BS degree program in IISC(Bangalore) through KVPY for a duration of four years
Five years integrated MSc program in NISER(Bhubaneshwar) and UM DAE CABS(Mumbai) for which admission is done through NEST

Further qualifying for CSIR NET/SET , one can pursue higher studies or teach at university level. For teaching at school level BEd is compulsory, hence one may consider BSC-BEd integrated program which saves one year, pursuing BSc Agriculture through ICAR AIEEA UG can be an option in the field of agriculture.

Apart from science specific field, other equally good options outside the field are

NCHMCT JEE for Hotel Management,
NIFT, NID, AIEED for Fashion Designing,
AILET/CLAT/LSAT/BHU UET or state level exams like KLEE, MHT CET LAW,TS LAWCET, AP LAWCET name a few for integrated law program.
Journalism,
Animation,
BBA/BBS/BMS,
Chartered Accountancy,
Company Secretary
Certified Financial Planner,
Certified Management Accountant.