50 Essential Python Questions for CBSE Class 11th and 12th Exam Preparation

Python programming is a key part of the Computer Science curriculum for CBSE Class 11th and 12th students. To help you ace your exams, we have compiled a list of 50 essential Python questions that cover important concepts and programming techniques. These questions will test your understanding and help you practice Python for your upcoming exams.

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Class 11 Python Questions

1. What is Python?
   Discuss the key features that make Python a popular programming language.
2. How is Python an interpreted language?
   Explain the process of interpreting Python code.
3. Write a Python program to find the factorial of a number.
   Use loops or recursion to solve this problem.
4. What are variables? How do you declare variables in Python?
   Explain variable declaration with examples.
5. Explain the concept of data types in Python.
   Discuss different data types like integers, floats, and strings.
6. Write a Python program to check whether a number is even or odd.
   Use conditional statements to implement the solution.
7. How do you take user input in Python?
   Write a program that accepts input and prints it on the screen.
8. What is the use of the range() function in Python?
   Provide an example of range() in a loop.
9. Explain the concept of conditional statements.
   Use examples to explain if, elif, and else.
10. Write a Python program to calculate the sum of numbers from 1 to N using a loop.
11. What are loops in Python?
    Differentiate between the for and while loops.
12. Write a Python program to print the multiplication table of a given number.
13. What is a list in Python? How is it different from a tuple?
    Compare the two data structures with examples.
14. Write a Python program to find the largest element in a list.
15. Explain list slicing in Python.
    Provide examples of slicing operations on lists.
16. Write a Python program to reverse a list.
17. What is a function in Python? How do you define and call a function?
    Explain functions with syntax and examples.
18. Write a Python function to find the GCD (Greatest Common Divisor) of two numbers.
19. Explain the concept of recursion in Python.
    Provide an example to demonstrate recursion.
20. What are Python modules?
    Discuss how to import and use Python modules in a program.
21. Write a Python program to create a simple calculator using functions.
22. How does exception handling work in Python?
    Give an example using try and except blocks.
23. What is a dictionary in Python?
    Write a program that demonstrates the use of a dictionary.
24. Explain how to iterate over the keys and values of a dictionary.
25. Write a Python program to count the frequency of each element in a list.

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Class 12 Python Questions

26. What is object-oriented programming (OOP)?
    Explain the basic concepts of OOP with examples.
27. Define classes and objects in Python.
    Write a Python program to demonstrate the creation of classes and objects.
28. What is inheritance in Python?
    Explain with an example how inheritance is used in Python.
29. Write a Python program to demonstrate multiple inheritance.
30. What is polymorphism in Python?
    Provide an example to illustrate polymorphism.
31. Explain the concept of method overriding in Python.
    Use an example to demonstrate method overriding.
32. What is a constructor in Python?
    Discuss the role of constructors in object-oriented programming.
33. Explain data encapsulation in Python.
    Give an example that shows how encapsulation is used.
34. What is a file in Python?
    Explain how to open, read, and write files in Python.
35. Write a Python program to read a file and count the number of lines in it.
36. How do you handle file exceptions in Python?
    Provide an example that handles file-related exceptions using try and except.
37. Explain the concept of regular expressions in Python.
    Provide examples to show how regular expressions are used for pattern matching.
38. Write a Python program to validate an email address using regular expressions.
39. What is a database?
    How do you connect to a MySQL database using Python?
40. Write a Python program to execute basic SQL queries (select, insert, update, delete) using the mysql-connector library.
41. What are CSV files in Python?
    How do you read and write data to CSV files?
42. Write a Python program to sort data from a CSV file.
43. What is a lambda function in Python?
    Provide an example to illustrate its usage.
44. How do you use the map(), filter(), and reduce() functions in Python?
    Explain each function with examples.
45. Explain the difference between deep copy and shallow copy in Python.
46. Write a Python program to create a simple class to represent a student with attributes like name, roll number, and marks. Implement a method to display student details.
47. What are decorators in Python?
    Write a program that demonstrates the use of a decorator.
48. Explain the difference between mutable and immutable objects in Python.
49. What is multithreading in Python?
    Write a program to demonstrate how to create threads.
50. How do you manage memory in Python?
    Discuss the concept of garbage collection in Python.

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Conclusion

These 50 Python questions cover a broad range of topics from basic programming to object-oriented concepts and file handling. They are designed to help Class 11th and 12th students get a solid grasp of Python and prepare for their exams effectively. Practice regularly, understand the core concepts, and you’ll be well-prepared to tackle any Python-related question that comes your way!