Function MCQs

Question 1

In C, what is a function parameter?

Accepted Answer

A variable declared within a function

Answer

A value passed to a function when it's called

Answer

A variable declared globally

Answer

A reserved keyword

Question 2

How is the scope of a local variable defined in C?

Accepted Answer

Limited to the function where it is declared

Answer

Limited to the entire program

Answer

Limited to the block where it is declared

Answer

Limited to the main() function

Question 3

What is a recursive function in C?

Accepted Answer

A function that calls itself

Answer

A function that uses a loop

Answer

A function that returns a large value

Answer

A function that takes no arguments

Question 4

What is the result of the expression abs(-5) in C?

Accepted Answer

5

Answer

-5

Answer

0

Answer

Error

Question 5

In C, what is a function definition?

Accepted Answer

A block of code that specifies a function's behavior

Answer

A declaration that specifies a function's name, return type, and parameters

Answer

A declaration that specifies a function's name and return type

Answer

A variable declared within a function

Question 6

What is the purpose of the 'extern' keyword when declaring a function in C?

Accepted Answer

To specify that the function is not defined in the current file

Answer

To declare a function as a constant

Answer

To declare a function with a variable number of arguments

Answer

To specify that the function is recursive

Question 7

What is the purpose of the 'static' keyword when used with a function in C?

Accepted Answer

To limit the function's visibility to the current source file

Answer

To make the function return a static value

Answer

To specify that the function can only be called once

Answer

To make the function public

Question 8

In C, what is the purpose of the 'void' keyword as a function return type?

Accepted Answer

It specifies that the function doesn't return a value

Answer

It specifies that the function returns an integer

Answer

It specifies that the function returns a character

Answer

It specifies that the function is recursive

Question 9

How do you call a function named myFunction with two arguments in C?

Accepted Answer

myFunction(5, 10);

Answer

myFunction();

Answer

myFunction(5)(10);

Answer

myFunction[5, 10];