Yes you need to report all 1099 forms you received. Did you already file without it? You have to report all your income even if you don't get a 1099 for it.
Enter a 1099-Int under
Federal Taxes tab
Wages & Income
Interest and Dividends
Interest on 1099INT - Click the Start, Revisit Or Update button
ps.....Don't enter the bank name and don't try to import it. It is just as fast and easy to manually enter it. When you enter a 1099 the first screen is How to Enter, by Import or Enter it Myself. Scroll down and click the last circle to enter it myself.
Yes, you should normally report all taxable interest, whether or not you received a 1099-INT.
I can't address your second question since I don't know what path you took through the federal interview. However, it would be a good idea that when you receive a tax form, that you report it in TurboTax whether or not TurboTax asks for it.
In this case, you would have done a Search (upper right) for 1099-INT and click on the jump-to result. If you are a Mac software user, go through the Topic list for 1099-INT, highlight it, and click on Go.