hi,

see there is many courses related with biology, however to make a career you have to take the desired course in which you are interested. see there is several courses of biology related stream I have mentioned below:

MBBS,

BDS

BACHELORS OF SCIENCE IN ZOOLOGY, MICRO BIOLOGY, ANESTHESIA TECHNOLOGY, DIALYSIS TECHNOLOGY, OPTOMETRY, FORENSIC SCIENCE,   ETC.

5 YEARS INTEGRATED BS-MS COURSE FROM IISC OR iiser .

HOWEVER you have to study the other subjects like chemistry , physics etc while studying your bachelors.

hope it would help.