PL/SQL Question

Please choose True or false for the following questions

1. In cursor for loop, the dummy index must be declared in the declarative section.
2. In the executable section of the outer block, the program cannot refer to the variables that are declared in its enclosed (inner) block.
3. In the Exception section, the program may have several handlers. The WHEN OTHERS THEN must be the last handler in that exception section.
4. A Cursor may be defined with more than one parameter.
5. In the outer block, the program defines an exception named x, the inner block can reference this x in its exception section.