hi!

bsc biology is a 3 year ug course related to biodiversity, botany, genetics etc. many colleges accept applicants based on marks obtained in 10+2 but some colleges may conduct an entrance exam for the same. the syllabus includes chemistry, bio-physics, biodiversity, ecology, cell biology, botany,genetics, zoology etc.

bsc zoology is also an ug course which lasts for 3 years too. the eligibility criteria is same as bsc biology. there are certain exams like CG PAT, IISER IAT (https://www.collegedekho.com/exam/iiser-aptitude-test) , OUAT (https://www.collegedekho.com/articles/ouat-admissions/) , GSAT (https://www.collegedekho.com/exam/gsat) , BHU UET (https://www.collegedekho.com/exam/bhu-uet) , NEST (https://www.collegedekho.com/exam/nest) . the syllabus includes life and diversity of different phyla, environmental and developmental biology, agriculture and pest management.