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