Python Variable Names and Multi-Word Variables – 20 MCQ Quiz Chapter 5 Set-5

Python Variable Names and Multi-Word Variables – 20 MCQ Quiz Set 5

📋 Questions 20 ⏱️ Time 30 min

📄 Per Page 1 ✅ Pass 40%

A* 100% A 80-99% B 60-79% C 40-59% D 0-39%

✔ Select answer | ✔ Submit | ✔ Get certificate

⏱️

Question 1 of 20

What is a variable name in Python?

A command used to print data The name given to a variable that stores data A type of Python loop A Python error

Question 2 of 20

Why are meaningful variable names important?

They make code easier to understand They make Python run without errors They remove variables They replace functions

Question 3 of 20

Which of the following is a valid variable name?

2student student name student_name student-name

Question 4 of 20

Which variable name is invalid because it starts with a number?

student1 student_name _age 2student

Question 5 of 20

Which character can be used at the beginning of a Python variable name?

@ # _ $

Question 6 of 20

Which of the following is a good descriptive variable name?

x = 450 total_marks = 450 a = 450 b = 450

Question 7 of 20

What is a multi-word variable name?

A variable containing numbers only A variable name made using multiple words A variable without a value A Python keyword

Question 8 of 20

Which style uses underscores between words?

Camel Case Pascal Case Snake Case Upper Case

Question 9 of 20

Which is an example of Snake Case?

studentName StudentName student_name Student_Name

Question 10 of 20

Which is an example of Camel Case?

student_name StudentName studentName student_name_1

Question 11 of 20

Which is an example of Pascal Case?

student_name studentName StudentName STUDENT_NAME

Question 12 of 20

Why should spaces not be used in variable names?

Spaces make names invalid in Python Spaces delete the variable Spaces convert variables to strings Spaces make numbers negative

Question 13 of 20

Which of the following is an invalid variable name because it uses a Python keyword?

class_name class class_data student_class

Question 14 of 20

What will happen when a variable is assigned a new value?

The variable gets updated The program always stops The variable becomes a keyword The variable is automatically deleted

Question 15 of 20

What is the output of student_name = "Alice"; student_name = "Emma"; print(student_name)?

Alice Emma student_name Error

Question 16 of 20

What does case sensitivity mean in Python?

Numbers are case-sensitive Spaces are required Uppercase and lowercase letters are treated differently Only lowercase names are allowed

Question 17 of 20

Which pair represents two different variables in Python?

age and age Name and name student and student total and total

Question 18 of 20

Which variable name follows good naming practice?

x abc123 total_marks ttm

Question 19 of 20

Which is the best reason to avoid unclear variable names such as a, b, and c?

They always cause syntax errors They make the program impossible to run They do not clearly describe the stored data They cannot store numbers

Question 20 of 20

Which naming style is commonly recommended for Python variables?

Camel Case Snake Case Pascal Case All uppercase

Python Variable Names and Multi-Word Variables – 20 MCQ Quiz

Post Description

Test your Python knowledge with 20 MCQs on variable names, naming rules, multi-word variables, Snake Case, Camel Case, Pascal Case, and best naming practices. Ideal for NCERT/CBSE students and Python beginners.

Python Variable Names MCQ

Meta Title

Python Variable Names MCQ – 20 Questions with Answers

URL Slug

python-variable-names-mcq

Meta Description

Practice 20 Python Variable Names MCQs with answers and explanations. Learn naming rules, multi-word variables, Snake Case, Camel Case, Pascal Case, and best practices.

FAQ

What is a variable name in Python?

A variable name is the name given to a variable that helps Python identify and use the stored data.

What are the rules for naming Python variables?

A variable name can start with a letter or underscore, cannot start with a number, cannot contain spaces, and can contain letters, numbers, and underscores.

What is a multi-word variable name?

A multi-word variable name contains two or more words, such as student_name or total_marks.

What is Snake Case in Python?

Snake Case is a naming style where lowercase words are separated by underscores, such as student_name.

What is Camel Case?

Camel Case starts with a lowercase letter and uses capital letters for subsequent words, such as studentName.

What is Pascal Case?

Pascal Case starts each word with a capital letter, such as StudentName. It is commonly used for class names in Python.

Which naming style is recommended for Python variables?

Snake Case is the commonly recommended naming style for Python variables and functions.

Why should we use meaningful variable names?

Meaningful variable names make code easier to read, understand, maintain, and debug.

Is Python case-sensitive?

Yes. Python is case-sensitive. For example, Name and name are treated as two different variables.

Can a Python variable name start with a number?

No. A Python variable name cannot start with a number. For example, 2student is invalid, while student2 is valid.