Hi,
Even if you opt for bio, there are several different job profiles you can opt for with PCB combination, here is a list of some job profiles you can consider:
Along with this, if you want more options in science filed, you can opt for mathematics as your fifth or optional subject, as it will enable you to apply for engineering related job profile too:
Another advantage of choosing science as a subject is that you can switch over to commerce or arts after you will complete your 12th.
for more details, you can refer to this link: https://school.careers360.com/articles/courses-after-12th
I hope this helped you.
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