Can I get ripped by doing push ups, sit ups, squats and bicep curls everyday?
You've chosen the right approach, but not the most efficient one. Bodyweight exercises will only stimulate your muscle growth up to a certain range and than you'll hit a plateau. This may be sufficient for some folks to get ripped but for the less genetically gifted it may not. So I'd recommend training your whole body, while focusing on the basics movements deadlift, squat, overhead press and bench press, combined with a few (note: A FEW!) additional assistance exercises such as bicep curls etc. What's more, you'll also have to keep an eye on nutrition in order to get lean enough to be ripped. After all, you may have a look at my blog TURN where you'll find the nutrition basics series and soon the exercise basics series (starting in September) for fat loss and physique enhancement. That's perhaps the information you're seeking. I'd be glad if that helps you achieve what you're after.