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Which is the wrong ( or the least correct ) statement? a ) In a cursor for loop, to access a column in the select

Which is the wrong (or the least correct) statement?
a) In a cursor for loop, to access a column in the select list we will use the syntax as cursor_name.column_name.
b) The syntax to access an element in a collection variable is Collection_variable_name.index;
c) To reference a field of a table-based record type variable, the syntax is record_variable_name.table_column_name.
d) Inside a cursor for loop, program should not have the FETCH statement.
e) When we use a cursor for loop, the program does not need to manually open the cursor with the OPEN cursor_name statement.
Which is the wrong (or the least correct) statement?
(a) When a program invokes a procedure, the program may use the actual OUT mode parameters to store the values that will pass from the procedure to invoker.
(b) Inside a procedure, the procedure program may change the IN-parameter's value.
(c) Generally speaking, procedures should not have the RETURN statement.
(d) For good practice, Functions should not have OUT mode parameter.
(e) Generally speaking, when a program needs to invoke a function, it should declare a local variable with the same data type as the return data type defined in the Function.
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