Different people have different kind of perspectives. Now if you think that there can be a problem in MCA after BSc if you don't have enough programming skills or knowledge in computer application.

So if you aspire to do MCA after your BSc just try to study those subject along with the BSC curriculum. If your college offers a course in Computer Science General do pursue it. Because you will get to know some coding in practical. So these can be a problem but can be overcome if you are eager and passionate about computer application.

I hope my answer helps you. All the very best for your future endeavors!