Computer Science

Python Modules MCQs | 25 Practice Questions with Answers | CBSE Class 11 Computer Science

Class 11 · Computer Science

Python Modules MCQs (25 Questions)

Practice these multiple-choice questions to strengthen your understanding of Python Modules. Click Show Answer to reveal the correct answer and explanation.

Q1. What is a Python module?

A. A loop
B. A function
C. A file containing Python code
D. A variable

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Answer: C. A file containing Python code

Explanation: A module is a Python file containing reusable functions, variables, classes, and constants.

Q2. Which statement is used to import an entire module?

A. include math
B. import math
C. using math
D. load math

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Answer: B. import math

Explanation: The import statement imports an entire module.

Q3. Which statement imports only the sqrt() function from the math module?

A. import sqrt
B. from math import sqrt
C. import math.sqrt
D. using math.sqrt

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Answer: B. from math import sqrt

Explanation: The from ... import ... statement imports only the required function.

Q4. Which module provides mathematical functions such as sqrt() and pow()?

A. random
B. statistics
C. math
D. os

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Answer: C. math

Explanation: The math module provides mathematical constants and functions.

Q5. Which constant represents the value of π (Pi)?

A. math.pi
B. math.e
C. math.pow
D. math.sqrt

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Answer: A. math.pi

Explanation: math.pi stores the value of Pi.

Q6. Which function returns the square root of a number?

A. math.pow()
B. math.sqrt()
C. math.fabs()
D. math.floor()

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Answer: B. math.sqrt()

Explanation: The math.sqrt() function returns the square root of a given number.

Q7. Which function rounds a number upward to the nearest integer?

A. floor()
B. ceil()
C. round()
D. fabs()

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Answer: B. ceil()

Explanation: math.ceil() returns the smallest integer greater than or equal to the given number.

Q8. Which function rounds a number downward to the nearest integer?

A. ceil()
B. floor()
C. fabs()
D. pow()

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Answer: B. floor()

Explanation: math.floor() returns the largest integer less than or equal to the given number.

Q9. Which function returns the absolute value of a number?

A. pow()
B. fabs()
C. sqrt()
D. ceil()

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Answer: B. fabs()

Explanation: math.fabs() returns the absolute (positive) value of a number.

Q10. Which function calculates the value of x raised to the power y?

A. power()
B. exp()
C. math.pow()
D. sqrt()

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Answer: C. math.pow()

Explanation: math.pow(x,y) returns x raised to the power y.

Q11. Which function returns the sine of an angle (in radians)?

A. math.cos()
B. math.tan()
C. math.sin()
D. math.sqrt()

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Answer: C. math.sin()

Explanation: The math.sin() function returns the sine of an angle measured in radians.

Q12. Which function returns the cosine of an angle (in radians)?

A. math.cos()
B. math.sin()
C. math.tan()
D. math.pow()

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Answer: A. math.cos()

Explanation: The math.cos() function calculates the cosine of an angle in radians.

Q13. Which function returns the tangent of an angle (in radians)?

A. math.floor()
B. math.sin()
C. math.cos()
D. math.tan()

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Answer: D. math.tan()

Explanation: The math.tan() function returns the tangent of an angle in radians.

Q14. Which module is used to generate random numbers in Python?

A. math
B. random
C. statistics
D. os

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Answer: B. random

Explanation: The random module provides functions to generate random numbers.

Q15. Which function returns a random floating-point number between 0.0 and 1.0?

A. randint()
B. randrange()
C. random()
D. choice()

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Answer: C. random()

Explanation: The random() function returns a random float greater than or equal to 0.0 and less than 1.0.

Q16. Which function returns a random integer between two specified values (both inclusive)?

A. random()
B. randint()
C. randrange()
D. range()

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Answer: B. randint()

Explanation: The randint(start,end) function returns a random integer including both the start and end values.

Q17. Which function returns a random number from a specified range?

A. random()
B. randint()
C. randrange()
D. range()

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Answer: C. randrange()

Explanation: The randrange() function returns a randomly selected number from a given range.

Q18. Which module provides functions such as mean(), median(), and mode()?

A. random
B. statistics
C. math
D. decimal

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Answer: B. statistics

Explanation: The statistics module is used to perform statistical calculations.

Q19. Which function returns the arithmetic average of a set of numbers?

A. median()
B. mode()
C. mean()
D. average()

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Answer: C. mean()

Explanation: The mean() function returns the arithmetic average of numeric values.

Q20. Which function returns the middle value of an ordered data set?

A. mode()
B. average()
C. median()
D. mean()

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Answer: C. median()

Explanation: The median() function returns the middle value after arranging the data in order.

Q21. Which function returns the value that occurs most frequently in a data set?

A. mean()
B. median()
C. mode()
D. random()

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Answer: C. mode()

Explanation: The mode() function returns the value that appears most frequently in the data.

Q22. Which of the following statements is correct?

A. randint() excludes both limits.
B. randrange() includes the stop value.
C. random() returns a floating-point number between 0.0 and 1.0.
D. random() always returns an integer.

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Answer: C. random() returns a floating-point number between 0.0 and 1.0.

Explanation: The random() function generates a random float greater than or equal to 0.0 and less than 1.0.

Q23. What is the output of the following code?

from math import sqrt
print(sqrt(64))

A. 8
B. 64
C. 16
D. Error

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Answer: A. 8

Explanation: The square root of 64 is 8.

Q24. Which of the following is a correct use of the statistics module?

A. statistics.random()
B. statistics.mean([10,20,30])
C. statistics.sqrt(25)
D. statistics.randint(1,10)

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Answer: B. statistics.mean([10,20,30])

Explanation: The mean() function belongs to the statistics module and calculates the arithmetic average.

Q25. Which module is most suitable for calculating the average marks of students?

A. math
B. random
C. statistics
D. os

Show Answer

Answer: C. statistics

Explanation: The statistics module provides functions such as mean(), median(), and mode() for statistical calculations.

Answer Key

Q.No.	Answer	Q.No.	Answer	Q.No.	Answer
1	C	10	C	19	C
2	B	11	C	20	C
3	B	12	A	21	C
4	C	13	D	22	C
5	A	14	B	23	A
6	B	15	C	24	B
7	B	16	B	25	C
8	B	17	C
9	B	18	B

Practice Tips

Remember the difference between import module and from module import function.
Revise the important math module functions such as sqrt(), pow(), ceil(), floor(), sin(), cos(), and tan().
Understand the difference between random(), randint(), and randrange().
Know when to use mean(), median(), and mode() from the statistics module.
Practice writing small programs using different modules to strengthen your understanding.
Attempt all questions without viewing the answers first, then check the explanations to identify concepts that need revision.

Q.No.	Answer	Q.No.	Answer	Q.No.	Answer
1	C	10	C	19	C
2	B	11	C	20	C
3	B	12	A	21	C
4	C	13	D	22	C
5	A	14	B	23	A
6	B	15	C	24	B
7	B	16	B	25	C
8	B	17	C
9	B	18	B

Q.No.	Answer	Q.No.	Answer	Q.No.	Answer
1	C	10	C	19	C
2	B	11	C	20	C
3	B	12	A	21	C
4	C	13	D	22	C
5	A	14	B	23	A
6	B	15	C	24	B
7	B	16	B	25	C
8	B	17	C
9	B	18	B

Q.No.	Answer	Q.No.	Answer	Q.No.	Answer
1	C	10	C	19	C
2	B	11	C	20	C
3	B	12	A	21	C
4	C	13	D	22	C
5	A	14	B	23	A
6	B	15	C	24	B
7	B	16	B	25	C
8	B	17	C
9	B	18	B