Term 1 Python revision Tour 1 & Tour 2 | Multiple Choice Questions with answers | Class 12 Computer Science

Python revision Tour 1 & Tour 2 | Multiple Choice Questions with answers | Class 12 Computer Science 

Python revision Tour

1. Which of the following is an invalid variable?

(a) my_day_2

(b) 2nd_day

(c)Day_two

(d) _2


2. Which of the following is not a keyword?

(a) eval

(b) assert

(c) nonlocal

(d) pass


3. Which of the following cannot be a variable?

(a) __init__

(b) in

(c) it

(d) on


4. Which of these is not a core data type?

(a) Lists

(b) Dictionary

(c) Tuples

(d) Class


5. How would you write xy in Python as an expression?

(a) x^y

(b) x**y

(c) x^^y

(d) none of these


6. What will be the value of the expression?

14 +13 % 15

(a) 14

(b) 27

(c) 12

(d) 0


7. Evaluate the expression given below if A = 16 and B = 15.

A%B//A

(a) 0.0

(b) 0

(c) 1.0

(d) 1


8. What is the value of x?

x = int(13.25 4/2)

(a) 17

(b) 14

(c) 15

(d) 23


9. The expression 8/4/2 will evaluate equivalent to which of the following expressions:

(a) 8/(4/2)

(b) (8/4)/2


10. Which among the following list of operators has the highest precedence?

+ , -, **, %, /, << , >>, |

(a) <<, >>

(b) **

(c) |

(d) %


11. Which of the following expressions results in an error?

(a) float('12')

(b) int('12')

(c) float('12.5')

(d) int('12.5')


12. Which of the following statement prints the shown output below?

hello\example\test.txt

(a) print("hello\example\test.txt")

(b) print("hello\\example\\test.txt")

(c) print("hello\"example \"test.txt")

(d) print("hello"\example"\test.txt")


13. Which value type does input() return?

(a) Boolean

(b) String

(c) Int

(d) Float


14. Which two operators can be used on numeric values in Python?

(a) @

(b) %

(c) +

(d) #


15. Which of the following four code fragments will yield following output?

Eina

Mina

Dika

Select all of the function calls that result in this output

(a)

print('''Eina

\nMina

\nDika''')

(b) print('''EinaMinaDika''')

(c) print('Eina\nMina\nDika')

(d)

print('Eina

Mina

Dika')


16. Which of the following is valid arithmetic operator in Python:

(a) //

(b) ?

(c) <

(d) and


17. The numbered position of a letter in a string is called _____.

(a) position

(b) integer position

(c) index

(d) location


18. The operator _____ tells if an element is present in a sequence or not.

(a) exists

(b) in

(c) into

(d) inside


19. The keys of a dictionary must be of _____ types.

(a) Integer

(b) mutable

(c) immutable

(d) any of these


20. Following set of commands is executed in shell, what will be the output?

>>>str = "hello"

>>>str[ : 2]

>>>

(a) he

(b) lo

(c) olleh

(d) hello


21. What data type is the object below?

L = [1, 23, 'hello', 1]

(a) list

(b) dictionary

(c) array

(d) tuple


22. What data type is the object below?

L = 1, 23, 'hello', 1

(a) list

(b) dictionary

(c) array

(d) tuple


23. To store values in terms of key and value, what core data type does Python provide?

(a) list

(b) tuple

(c) class

(d) dictionary


24. What is the value of the following expression?

3 + 3.00, 3**3.0

(a) (6.0, 27.0)

(b) (6.0, 9.00)

(c) (6, 27)

(d) [6.0, 27.0]

(e) [6, 27]


Related Post


25. List AL is defined as follows:

AL = [1, 2, 3, 4, 5]

Which of the following statements removes the middle element 3 from it so that the list AL equal [1, 2, 4, 5]?

(a) del a[2]

(b) a[2 : 3] = []

(c) a[2:2] = []

(d) a[2] = []

(e) a.remove(3)


26. Which two lines of code are valid strings in Python?

(a) This is a string

(b) 'This is a string'

(c) (This is a string)

(d) "This is a string"


27. You have the following code segment:

String1 = "my"

String2 = "work"

print(String1 + string2)

What is the output of this code?

(a) my work

(b) work

(c) mywork

(d) my


28. You have the following code segment

String1 = "my"

String2 = "work"

print(String1 + string2.upper())

What is the output of this code?

(a) mywork

(b) MY Work

(c) myWORK

(d) My Work


29. Which line of code produces an error?

(a) "one" + 'two'

(b) 1+ 2

(c) "one"+ "2"

(d) '1' + 2


30. What is the output of this code?

>>> int("3" + " 4")

(a) "7"

(b) "34"

(c) 34

(d) 24


31. Which line of code will cause an error?

1. num = [5, 4, 3, [2], 1]

2. print(num [0])

3. print(num[3][0])

4. print (num[5])

(a) Line 3

(b) Line 2

(c) Line 4

(d) Line 1


32. Which is the correct form of declaration of dictionary?

(a) Day = {1 : 'Monday', 2 : 'Tuesday', 3 : 'wednesday'}

(b) Day = {1 ; 'Monday', 2 ; 'Tuesday', 3 ; 'wednesday'}

(c) Day = [1 : 'Monday', 2 : 'Tuesday', 3 : 'wednesday']

(d) Day = {1  'Monday', 2  'Tuesday', 3  'wednesday'}


33. Identify the valid declaration of L:

L = [1, 23, 'hi', 6]

(a) list

(b) dictionary

(c) array

(d) tuple


34. Which of the following is not considered a valid identifier in Python?

(a) two2

(b) _main

(c) hello_rsp1

(d) 2 hundred


35. What will be the output of the following code-print("100+200")?

(a) 300

(b) 100200

(c) 100+200

(d) 200


36. Which amongst the following is a mutable data type in Python?

(a) int

(b) string

(c) tuple

(d) list


37. pow() function belongs to which library?

(a) math

(b) string

(c) random

(d) maths


38. Which of the following statements converts a tuple into a list?

(a) len(string)

(b) list(string)

(c) tup(list)

(d) dict(string)


39. The statement: bval = str i > str2 shall return..... As the output if two strings str1 and str2 contains "Delhi" and "New Delhi".

(a) True

(b) Delhi

(c) New Delhi

(d) False


40. What will be the output generated by the following snippet?

a = [5, 10, 15, 20, 25]

k = 1

i = a[1] + 1

j = a[2] +1

m = a[k+1]

print (i, j, m)

(a) 11 15 16

(b) 11 16 15

(c) 11 15 15

(d) 16 11 15


41. The process of arranging the array elements in a specified order is termed as:

(a) Indexing

(b) Slicing

(c) Sorting

(d) Traversing


42. Which of the following Python functions is used to iterate over a sequence of number by specifying a numeric end value within its parameters?

(a) range()

(b) len()

(c) substring()

(d) random()


43. What is the output of the following?

d = {0: 'a', 1: 'b', 2: 'c'}

for i in d:

    print(i)

(a)

0

1

2

(b)

a

b

c

(c)

0

a

1

b

2

c

(d)

2

a

2

b

2

c


44. What is the output of the following?

x = 123

for i in x:

    print(i)

(a) 1 2 3

(b) 123

(c) error

(d) infinite loop


45. Which arithmetic operators cannot be used with strings?

(a) +

(b) *

(c) -

(d) all of the above


46. What will be the output when the following code is executed?

>>> str1="helloworld"

>>> stri[:-1]

(a) dlrowolleh

(b) hello

(c) world

(d) helloworld


47. What is the output of the following statement?

print ("xyyzxyzxzxyy".count ('yy', 1))

(a) 2

(b) 0

(c) 1

(d) Error


48. Suppose list1 [0.5 * x for x in range(0, 4)], list1 is:

(a) [0, 1, 2, 3]

(b) [0, 1, 2, 3, 4]

(c) [0.0, 0.5, 1.0, 1.5]

(d) [0.0, 0.5, 1.0, 1.5, 20]


49. Which is the correct form of declaration of dictionary?

(a) Day={1:'monday',2:'tuesday',3:'wednesday'}

(b) Day=(1;'monday',2;'tuesday',3;'wednesday')

(c) Day=[1:'monday',2:'tuesday',3:'wednesday']

(d) Day={1 monday',2 tuesday',3 wednesday']


50. Identify the valid declaration of L: L = [1, 23, 'hi', 6]

(a) list

(b) dictionary

(c) array

(d) tuple


Answers

1. b

2. a

3. b

4.  d

5. b

6. b

7. b

8.  c

9. b

10. b

11. d

12. b

13. b

14. b, c

15. c

16. a

17. c

18. b

19. c

20. a

21.  a

22. d

23. d

24. a

25. a, b, e

26. b, d

27. c

28. c

29. d

30.  c

31. c

32. a

33. a

34. d

35. b

36. d

37. a

38. b

39. d

40. b

41.  c

42. a

43. a

44. c

45. c

46. a

47.  a

48. c

49. a

50. a

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