Science stream = no problem. Most of the best students were from science stream anyway, since a lot of secondary schools auto place all their best students there.

Have not taken MUET before, so I don't know how good a band 5 is.

You qualify for any other corporate job, and if you're the best of the best, you can still go for investment banking or consultancy if you want very good money as a fresh grad.

CLP is only for those who want to practice as lawyers.