B.Sc Agriculture is a 4 year Undergraduation course that primary deals with studies of Soil Science, Plant Breeding, Plant Pathology, Food Microbiology, Agricultural Microbiology, etc. You should have completed your 12th to be eligible for studying B.Sc Agriculture with Physics, Chemistry, Biology/Mathematics as your subjects.India being an Agricultural Country primarily, there is no dearth of opportunities for Candidates who complete B.Sc Agriculture. Some entrance examinations where in you can apply for studying B.Sc Agriculture are:

AIEAA UG

AP EAMCET

TS EAMCET

AGRICET

MP PAT

OUAT

Every State more or less has its own entrance examination. Post completion of the course, you can work as Agricultural Analyst, Field Officer, Scientist, Assistant Production Manager, Food Inspection Officer, etc. You can also apply for Government Jobs.