If you choose to study this major and want to work in this major, you'd better make plans for postgraduate entrance examination, doctoral study and going abroad first.
In addition, I personally think that biopharmaceuticals require higher academic qualifications and experimental level, while quarantine inspection is more practical and has a wider range of employment.
As for what courses you want the two majors to take, it depends on which school you are going to take the exam, even if the courses offered by different schools with the same major name are different. There is also to see what the research direction of the teachers you are going to apply for. The general teacher's research direction determines the students' learning direction. You should be able to find all this information in the main business of the school you want to apply for.
If you have any questions, you can ask me information. I hope my answer can help you a little.