Python Functions Quiz (Interactive MCQ with Answers)

🐍 Python Functions Interactive Quiz

Test your understanding of Python functions, parameters, return values, and function concepts.

What Are Python Functions?

Functions are reusable blocks of code that perform specific tasks. They help organize programs, reduce repetition, and improve code readability.

This quiz covers:

• Function creation using def
• Parameters and arguments
• Return values
• Default parameters
• Function calls
• Code reusability

Complete the quiz below to test your Python Functions knowledge.

Pick the correct option.

⏱ Time Left: 120 seconds

Q1. Which keyword is used to define a function?

def
function
define

Q2. What is the correct function syntax?

def my_func():
function my_func():
create my_func():

Q3. What is the purpose of return?

Sends value back from function
Prints value
Stops program

Q4. What happens if function has no return statement?

Returns None
Error occurs
Returns 0

Q5. What are parameters?

Inputs to a function
Outputs of function
Variables outside function

Q6. What is the output?

def add(a, b):
    return a + b

print(add(2, 3))

5
23
Error

Q7. Can a function have multiple parameters?

Yes
No

Q8. What is a default parameter?

Parameter with default value
Required parameter
Global variable

Q9. What is a function called without parameters?

No-argument function
Empty function
Null function

Q10. Why are functions useful?

Code reusability
Slower programs
Only for math

Q11. What is the output?

def greet(name="Python"):
    print(name)

greet()

Python
None
Error

Q12. What is the output?

def square(x):
    return x * x

print(square(4))

16
8
Error

Q13. What is the output?

def test():
    pass

print(test())

None
Error
pass

Want to learn more about Functions in Python with simple and easy to understand video explanation? Read Python Functions Tutorial for Beginners

📚 Continue Learning and Testing Your Python Knowledge Step by Step:

• Python Operators Quiz
• Python If-Else Quiz
• Python Loops Quiz
• Python Lists Tutorial

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