This statement is True.
A specific type of bank account which earns interest is the Saving Account.
There are two types of basic bank accounts. One is Current Account and the other is Saving Account. Current accounts are interest free account. They don't earn interest on their own money. Whereas saving accounts earns interest on their money.
If a person has a saving account and he has a balance in that account, a percentage of interest is monthly, quarterly, semi annually or annually is deposited in his account. In saving account, you earn money by your own money.