Basically it depends on your interest but according to me you have take a look at following 3 things before choosing your B.Sc hons course:
1.ROI after graduation
2.your interest
3.future scope of that branch
I suggest courses like biochemistry, biotechnology, Computer science, Chemistry, Astrophysics, Nursing, Microbiology, etc. are some courses having much scope in future due to today's digital world and upcoming various disease this branches has provides wide range of job opportunities in future.

Bsc hons in this course you van find many subjects of your choice as it surely depends on one interest amd matter its important that you do a little research that in which field you want to do further studies.
Bsc hon in biotechnology, mathematics, biochemistry, biomedical sciences many options are there and they all have good placements also kn future but obviously it all depends on ones interest and approach .
job opportunities in various sectors like in research labs, lab technician, teaching lines, pharmacy, and even in some othe privaterun companies are available one one completes hon degree

Like you can do further research as well in the subject of your interest
Find out more from the link
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/b-sc-bachelor-of-science/amp&ved=2ahUKEwiG8vSr5f_wAhWXeisKHay_BZoQFjAAegQIBRAC&usg=AOvVaw0woldKRA_95Wt_yQrrR-j3&ampcf=1