I must have made over two dozen posts across various
Sg based student forums on this very topic already. I wish I'd
saved the posts so I can simply cut and paste instead
of rewriting everything. But I'll summarize here :
1) Take H2 Physics instead of H2 Bio. (H2 Chem is of course, a
MUST). This will open a lot more doors in the University for you.
All Uni Science courses require H2 Chem, most require H2
Physics, very few require H2 Biology.
2) Is Physics easier or Biology? Depends on the individual, of
course! Some will find Physics so much easier. Some will find
Biology so much easier. You know yourself best. But just as
importantly, ask yourself which is more practical (ie. makes
more sense) to study? If your goal is a University degree and
financially feasible science-based career.
To conclude, take H2 Chemistry, H2 Physics and H2 Maths. There's
a good reason why this is the most popular subject
combination in all JCs - because it's the best one for
the JC student.
