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Class 12 Computer Science Chapter 2 Advanced Python Programming Quiz 8 (25 MCQs)

Quiz Instructions

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1. Explain the concept of 'recursion' in Python functions.

Correct Answer: D) Recursion in Python functions involves a function calling itself directly or indirectly to solve complex problems by breaking them down into smaller, simpler problems.

2. What is the output of len('Hello World')?

Correct Answer: C) 11.

3. What are the different data types in Python?

Correct Answer: A) The different data types in Python are:int, float, complex, str, list, tuple, set, dict, bool, and NoneType.

4. How can you import a specific function from a module in Python?

Correct Answer: C) Using the 'import' keyword followed by the module name and function name separated by a dot.

5. ..... is a procedure or step by step process for solving a problem.

Correct Answer: A) Algorithm.

6. Series = pd.series(\{'jan':31, "feb':29, 'march':31\})print(series) gives?

Correct Answer: A) Jan 31feb 29march 31.

7. What keyword is used to define a function in Python?

Correct Answer: B) Def.

8. How do you select a particular row, for example row 0, and then return all the columns that have a value more than 50?

Correct Answer: A) Df.loc[0, df.iloc[0]>50].

9. WHICH ONE OF THESE IS USED TO TAKE INPUT FROM THE USERS?

Correct Answer: A) Input.

10. What will be the output?a = 25b = 4print (a%b)

Correct Answer: A) 1.

11. Which of these tests whether the variable x is the same as 'Hello'?

Correct Answer: C) X == "Hello".

12. Which of the following is true about the input() function in Python?

Correct Answer: B) It pauses the program and waits for the user to type something and press Enter.

13. What will be the output? name = 'Python' print (type(name))

Correct Answer: C) Str.

14. Which mathematical concept is fit to text data (e.g. words in documents)

Correct Answer: B) Bag.

15. How does the grid() function put the widget on the screen?

Correct Answer: D) According to row and column wise.

16. Why are comments important in programming?

Correct Answer: D) Comments provide clarity and context to the code.

17. Which of these collections defines a DICTIONARY?

Correct Answer: C) \{"name": "apple", "color": "green"\}.

18. Which function is used to create a cursor object?

Correct Answer: B) Cur=con.cursor().

19. Which of the following is not a core data type in Python programming?

Correct Answer: C) Class.

20. What does % math operator do?

Correct Answer: A) To get the remainder of the two numbers.

21. What does the abstraction in Python allow programmers to do?

Correct Answer: B) Focus on writing code without dealing with hardware-specific details.

22. Let's say we create a DataFrame df = pd.DataFrame(\{'A':[1, 2, 3], 'B':[4, 5, 6]\})What will df.shape return?

Correct Answer: C) (3, 2).

23. Suppose t = (1, 2, 4, 3), which of the following is incorrect?

Correct Answer: B) T[3] = 45.

24. How do you add comments in Python code?

Correct Answer: A) Use the '#' symbol to add comments in Python code.

25. What is the return statement used for in Python functions?

Correct Answer: A) To exit the function and return a value back to the caller.

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