Agriculture

You can pursue B.Sc Agriculture after PCM too. It is very trending and interesting. It is a four year course and has 8 semesters. Each semester contains 7-8 subjects. It comprises many subjects from various branches like Horticulture, Agronomy, Agricultural management, Economics, Statistics, Soil Science, Genetics, Biotechnology, Biochemistry, Nematology, Entomology, Plant pathology and many more. The semester starts with the basic so there will not be any problem related to bio or any other thing. If you are planning to take B.Sc Agriculture just go for it, it's a very good option.

Maybe free seats are not available with this rank for free seats your rank must be 5000 below.

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Best Agriculture College for M.Sc In Agriculture are:
G. B Pant University of Agriculture and technology is the best Agriculture University in India Also, ICAR AIEEA PG entrance exam grants admission to some of the renowned Agriculture universities that includes Banaras Hindu University, Punjab Agriculture University, Chandrashekhar Azad University, etc.

Yes, you are eligible.

You should simply study your B.Sc syllabus thoroughly and also keep fair knowledge of general science. Pay special attention to the subject of interest in M.Sc. You can also prepare for JRF if you want a good college and scholarship. Just focus on your B.Sc syllabus.