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1. What is the order of execution of statements in a program called?

A) Execution flow
B) Control flow
C) Flow of control
D) Program Sequence

ANSWER= C) Flow of control

2. Which control structures does Python support for flow of control?

A) Sequence and iteration
B) Selection and iteration
C) Selection and repetition
D) Sequence and selection

ANSWER= C) Selection and repetition

3. How does Python group statements into a single block of code?

A) Curly brackets
B) Parentheses
C) Indentation
D) Semicolon

ANSWER= C) Indentation

4. What is used to implement decision-making in Python?

A) for loop
B) if..else statement
C) while loop
D) switch statement

ANSWER= B) if..else statement

5. What does the break statement do in a loop?

A) Skips an iteration
B) Repeats the current iteration
C) Exits the loop
D) Restarts the loop

ANSWER= C) Exits the loop

6. What is the purpose of the continue statement?

A) Exits the loop
B) Skips the current iteration
C) Restarts the loop
D) Ends the program

ANSWER= B) Skips the current iteration

7. What is a loop inside another loop called?

A) Recursive loop
B) Nested loop
C) Inner loop
D) Infinite loop

ANSWER= B) Nested loop

8. Which of the following is a correct example of a nested loop in Python?

A) `for i in range(3): for j in range(2): print(j)`
B) `for i in range(3) { for j in range(2) { print(j) } }`
C) `for (i in range(3)) (for j in range(2)) (print(j))`
D) `for i in range(3): { for j in range(2): { print(j) } }`

ANSWER= A) `for i in range(3): for j in range(2): print(j)`

9. What happens if indentation is incorrect in a Python program?

A) Program runs with warnings
B) Program skips the indented block
C) Syntax error
D) Indentation error

ANSWER= C) Syntax error

10. How can a block of code be created in Python?

A) Using curly brackets `{}`
B) Using indentation
C) Using parentheses `()`
D) Using square brackets `[]`

ANSWER= B) Using indentation

11. What is the output of the following code snippet? Python Code: num1 = 5 num2 = 6 if num1 > num2: print("first number is larger") print("Bye") else: print("second number is larger") print("Bye Bye")

A) Syntax error
B) `first number is larger Bye`
C) `second number is larger Bye Bye`
D) `Bye Bye`

ANSWER= A) Syntax error

12. What will be the output of the following code? Python Code: for i in range(1, 6): if i == 3: continue print(i)

A) 1 2 3 4 5
B) 1 2 4 5
C) 1 2 4 5 6
D) 2 4 6

ANSWER= B) 1 2 4 5

13. Which statement is used to skip the rest of the code inside a loop for the current iteration only?

A) break
B) pass
C) skip
D) continue

ANSWER= D) continue

14. What type of loop is used in the following code? Python Code: while True: print("Infinite loop")

A) for loop
B) finite loop
C) infinite loop
D) nested loop

ANSWER= C) infinite loop

15. Which of the following is the correct syntax for an if..else statement in Python?

A) `if condition: statements else: statements`
B) `if condition { statements } else { statements }`
C) `if (condition): statements; else: statements;`
D) `if condition: { statements } else: { statements }`

ANSWER= A) `if condition: statements else: statements`

16. Which of the following programs will print the sum of all positive numbers entered by the user until a negative number is entered?

A) Python Code: sum = 0 while True: num = int(input("Enter a number: ")) if num < 0: break sum += num print("Sum:", sum)
B) Python Code: sum = 0 while True: num = int(input("Enter a number: ")) if num < 0: continue sum += num print("Sum:", sum)
C) Python Code: sum = 0 num = int(input("Enter a number: ")) while num >= 0: sum += num num = int(input("Enter a number: ")) print("Sum:", sum)
D) Python Code: sum = 0 while num >= 0: num = int(input("Enter a number: ")) if num < 0: break sum += num print("Sum:", sum)

ANSWER= A) Python Code: sum = 0 while True: num = int(input("Enter a number: ")) if num < 0: break sum += num print("Sum:", sum)

17. In a nested loop, how many times will the inner loop execute if the outer loop runs 3 times and the inner loop runs 2 times each iteration?

A) 3
B) 6
C) 2
D) 5

ANSWER= B) 6

18. How is a block of code indicated in Python?

A) By using curly brackets
B) By using parentheses
C) By using indentation
D) By using semicolons

ANSWER= C) By using indentation

19. What type of error will you get if the indentation is not consistent in Python?

A) Logical error
B) Syntax error
C) Runtime error
D) Semantic error

ANSWER= B) Syntax error

20. What will be the output of the following code? Python Code: for i in range(5): if i == 2: continue print(i)

A) 0 1 2 3 4
B) 1 2 3 4 5
C) 0 1 3 4
D) 0 1 3 4 5

ANSWER= C) 0 1 3 4

21. How can the flow of control be altered in a program?

A) Using operators
B) Using control structures
C) Using functions
D) Using variables

ANSWER= B) Using control structures

22. What does the else part of an if statement represent?

A) Code that runs if the condition is false
B) Code that runs if the condition is true
C) A secondary condition
D) An error handling block

ANSWER= A) Code that runs if the condition is false

23. What does the following code do? Python Code: x = 5 y = 10 if x < y: print("x is less than y") else: print("x is not less than y")

A) Prints "x is not less than y"
B) Prints "x is less than y"
C) Prints nothing
D) Syntax error

ANSWER= B) Prints "x is less than y"

24. What is the purpose of an infinite loop?

A) To iterate a fixed number of times
B) To loop until a condition is met
C) To keep running without termination
D) To generate an error

ANSWER= C) To keep running without termination

25. Which of the following is true about the break statement in a loop?

A) It skips to the next iteration
B) It stops the current iteration and continues with the next
C) It stops the loop entirely
D) It only works with for loops

ANSWER= C) It stops the loop entirely

26. What is the output of the following code? Python Code: for i in range(4): print(i) if i == 2: break

A) 0 1 2 3
B) 0 1 2
C) 0 1 3
D) 0 1

ANSWER= B) 0 1 2

27. How does the continue statement affect a loop's execution?

A) Terminates the loop
B) Skips the rest of the code inside the loop for the current iteration
C) Repeats the current iteration
D) Exits the loop and continues with the next iteration

ANSWER= B) Skips the rest of the code inside the loop for the current iteration

28. What is the difference between a for loop and a while loop?

A) For loop is used for definite iteration, while loop is used for indefinite iteration
B) For loop has a fixed number of iterations, while loop runs indefinitely
C) For loop is used for selection, while loop is used for repetition
D) There is no difference

ANSWER= A) For loop is used for definite iteration, while loop is used for indefinite iteration

29. What will be the output of the following code snippet? Python Code: count = 0 while count < 5: count += 1 print(count)

A) 0 1 2 3 4 5
B) 1 2 3 4 5
C) 0 1 2 3 4
D) 1 2 3 4

ANSWER= B) 1 2 3 4 5

30. How many times will the loop run in the following code? Python Code: for i in range(3): for j in range(2): print(i, j)

A) 3 times
B) 6 times
C) 2 times
D) 5 times

ANSWER= B) 6 times

31. Which statement is used to exit a loop in Python?

A) exit
B) break
C) continue
D) stop

ANSWER= B) break

32. What will be the output of the following code? Python Code: i = 0 while i < 4: i += 1 print(i) if i == 2: continue

A) 1 2 3 4
B) 1 2 4
C) 1 2 3 4 5
D) 1 2 2 3 4

ANSWER= A) 1 2 3 4

33. What is the purpose of a nested loop?

A) To create infinite loops
B) To break out of a loop
C) To perform repeated operations on each element of a sequence
D) To skip iterations in a loop

ANSWER= C) To perform repeated operations on each element of a sequence

34. Which statement correctly describes the functionality of break and continue in Python?

A) break terminates the loop, continue skips the current iteration
B) break skips the current iteration, continue terminates the loop
C) break and continue both terminate the loop
D) break and continue both skip the current iteration

ANSWER= A) break terminates the loop, continue skips the current iteration

35. What is the output of the following code? Python Code: for i in range(3): for j in range(2): if j == 1: break print(i, j)

A) 0 0 0 1 1 0 1 1 2 0 2 1
B) 0 0 1 0 2 0
C) 0 0 0 1 1 0 2 0 2 1
D) 0 0 1 0 1 1 2 0 2 1

ANSWER= B) 0 0 1 0 2 0

36. Which of the following is a correct syntax for a while loop in Python?

A) `while condition: { statements }`
B) `while (condition) { statements }`
C) `while condition: statements`
D) `while (condition): statements`

ANSWER= D) `while (condition): statements`

37. What happens when the break statement is executed inside a nested loop?

A) Exits all loops
B) Exits the inner loop only
C) Continues with the next iteration of the inner loop
D) Restarts the inner loop

ANSWER= B) Exits the inner loop only

38. Which of the following is the correct syntax for a for loop in Python?

A) `for (i in range(5)): print(i)`
B) `for i in range(5): print(i)`
C) `for i in range(5) { print(i) }`
D) `for (i in range(5)) { print(i) }`

ANSWER= B) `for i in range(5): print(i)`

39. How can you create a block of code in Python?

A) Using curly brackets
B) Using indentation
C) Using parentheses
D) Using semicolons

ANSWER= B) Using indentation

40. What is the output of the following code? Python Code: count = 0 while count < 3: print(count) count += 1

A) 0 1 2 3
B) 1 2 3
C) 0 1 2
D) 0 1

ANSWER= C) 0 1 2

41. Which of the following statements will break out of a loop?

A) exit
B) continue
C) stop
D) break

ANSWER= D) break

42. What is the purpose of the continue statement in a loop?

A) To terminate the loop
B) To skip the rest of the code inside the loop for the current iteration
C) To exit the loop and continue with the next iteration
D) To repeat the current iteration

ANSWER= B) To skip the rest of the code inside the loop for the current iteration

43. What will be the output of the following code? Python Code: for i in range(3): for j in range(2): if j == 1: break print(i, j) print("Out of nested loop")

A) 0 0 1 0 2 0 Out of nested loop
B) 0 0 0 1 1 0 2 0 2 1 Out of nested loop
C) 0 0 1 0 2 0 Out of nested loop
D) 0 0 1 0 1 1 2 0 2 1 Out of nested loop

ANSWER= C) 0 0 1 0 2 0 Out of nested loop

44. What is the output of the following code? Python Code: for i in range(5): if i == 3: break print(i) else: print("Completed")

A) 0 1 2 Completed
B) 0 1 2
C) 0 1 2 3 4 Completed
D) 0 1 2 3 Completed

ANSWER= B) 0 1 2

45. What is the output of the following code snippet? Python Code: for i in range(2): for j in range(2): print(i, j)

A) 0 0 1 0
B) 0 0 1 1
C) 0 0 0 1 1 0 1 1
D) 0 0 1 0 1 1

ANSWER= C) 0 0 0 1 1 0 1 1

46. Which of the following is true about the for loop?

A) It runs indefinitely
B) It is used for definite iteration
C) It is used for selection
D) It is used for decision-making

ANSWER= B) It is used for definite iteration

47. What will be the output of the following code? Python Code: for i in range(3): if i == 1: break print(i) else: print("Loop completed")

A) 0 1 Loop completed
B) 0 Loop completed
C) 0 1
D) 0

ANSWER= D) 0

48. How do you implement a nested loop in Python?

A) By placing one loop inside another loop
B) By placing one function inside another function
C) By using indentation
D) By using a break statement

ANSWER= A) By placing one loop inside another loop