hi,

see both of the line is totally different, if you are interested to learn about drugs and effects ion human body, different types of modern equipment  related with health science you may go for b.pharmacy. where bachelor in biotechnology deals with different area of studies of living organisms. biotechnology has different lines and syllabus is quite different for all prospects, btech in biotechnology is more job oriented rather than b.sc course. so decide as per your future goal and interest.