Hi, seetha! 

Kerala bsc agriculture admission will be done on the basis of NEET ug scored of the candidates. The candidates seeking bsc (hona)  agriculture colleges must apply seprately for the KEAM. The scores of neet exam will be considered while making the merit list and the seat allotment process

Eligibility criteria for bsc agriculture admission selection process

Candidates need to score 50% agreegate marks in 12th under a recognised board with physics, chemistry, biology, english and minimum 50% marks in biology

. Biotechnology will Not  consider as a subject for eligibility 

. You must have to qualify NEET

So with your score card there is huge chance to get a seat in agriculture college including the above mentioned criteria 

Good luck