CBSE Class 11 Computer Science List Manipulation MCQs

Question: Which of the following allows us to sort the list elements in descending order?
(a) reverse = True
(b) reverse = False
(c) sort (descending)
(d) sort. descending
Answer: a

Question: Which value is used to represent the first index of list?
(a) 1
(b) 0
(c) −1
(d) a
Answer: b

Question: Consider the declaration a = [2, 3, ‘Hello’, 23.0]. Which of the following represents the data type of ‘a’?
(a) String
(b) Tuple
(c) Dictionary
(d) List
Answer: d

Question: Identify the output of the following Python statement.
x = [[1, 2, 3, 4], [5, 6, 7, 8]]
y = x[0][2]
print(y)
(a) 3
(b) 4
(c) 6
(d) 7
Answer: a

Question: Which of the following is true regarding lists in Python?
(a) Lists are immutable.
(b) Size of the lists must be specified before its initialisation.
(c) Elements of lists are stored in contiguous memory location.
(d) size(list1) command is used to find the size of lists.
Answer: c

Question: Choose the output from following code.
list1 = [‘A’, ‘R’, ‘I’, ‘H’, ‘A’, ‘N’, ‘T’]
print(list1[7])
(a) T
(b) N
(c) A
(d) Error
Answer: d

Question: What will be the output of the following Python code?
books = [‘Hindi’, ‘English’, ‘Computer’]
if ‘put’ in books:
 print(True)
else:
 print(False)
(a) True
(b) False
(c) None
(d) Error
Answer: b

Question: Identify the correct output.
l1 = [34, 65, 23, 98]
l1.insert(2, 55)
print(l1)
(a) [34, 65, 23, 55]
(b) [34, 55, 65, 23, 98]
(c) [34, 65, 55, 98]
(d) [34, 65, 55, 23, 98]
Answer: d

Question: Slice operation is performed on lists with the use of
(a) semicolon
(b) comma
(c) colon
(d) hash
Answer: c

Question: Which function is used to insert an element at specified position in the list?
(a) extend()
(b) append()
(c) insert()
(d) add()
Answer: c

Question: Which method will empty the entire list?
(a) pop()
(b) clear()
(c) sort()
(d) remove()
Answer: b

Question: Suppose list1 is [2445, 133, 12454, 123], what is the output of max(list1)?
(a) 2445
(b) 133
(c) 12454
(d) 123
Answer: c

Question: Identify the output of the following Python statement.
a = [[0, 1, 2], [3, 4, 5, 6]]
b = a[1][2]
print(b)
(a) 2
(b) 1
(c) 4
(d) 5
Answer: d

Question: To add a new element to a list, which command will we use?
(a) list1.add(8)
(b) list1.append(8)
(c) list1.addLast(8)
(d) list1.addEnd(8)
Answer: b

Question: Find the output from the following code.
list1 = [2, 5, 4, 7, 7, 7, 8, 90]
del list1[2:4]
print(list1)
(a) [2, 5, 7, 7, 8, 90]
(b) [5, 7, 7, 7, 8, 90]
(c) [2, 5, 4, 8, 90]
(d) Error
Answer: a

Question: What will be the output of following code?
list1 = [2, 5, 4, [9, 6], 3]
list1[3][2] = 10
print(list1)
(a) [2, 5, 4, [9, 10], 3]
(b) [2, 5, 4, 10, [9, 6], 3]
(c) Index out of range
(d) None of these
Answer: c

Question: What is the output of following code?
list1 = [4, 3, 7, 6, 4, 9, 5, 0, 3, 2]
l1 = list1[1:10:3]
print(l1)
(a) [3, 7, 6]
(b) [3, 4, 0]
(c) [3, 6, 9]
(d) [7, 9, 2]
Answer: b

Question: Identify the output of following code.
list1 = [2, 3, 9, 12, 4]
list1.insert(4, 17)
list1.insert(2, 23)
print(list1[−4])
(a) 4
(b) 9
(c) 12
(d) 23
Answer: b

Question: What will be the output of the following Python code?
list1 = [9, 5, 3, 5, 4]
list1[1:2] = [7, 8]
print(list1)
(a) [9, 5, 3, 7, 8]
(b) [9, 7, 8, 3, 5, 4]
(c) [9, [7, 8], 3, 5, 4]
(d) Error
Answer: b

Question: Suppose list1 is [56, 89, 75, 65, 99], what is the output of list1[−2]?
(a) Error
(b) 75
(c) 99
(d) 65
Answer: d

Question: Identify the output of the following Python statement.
list1 = [4, 3, 7, 9, 15, 0, 3, 2]
s = list1[2:5]
print(s)
(a) [7, 9, 15, 0]
(b) [3, 7, 9, 15]
(c) [7, 9, 15]
(d) [7, 9, 15, 0, 3]
Answer: c

Question: What is the output of following code?
l1 = [3, 2, 6]
l = l1 * 2
print(l)
(a) [3, 2, 6, 3, 2, 6]
(b) [6, 4, 12]
(c) [3, 4, 12]
(d) TypeError
Answer: a

Question: Suppose list1 = [10, 20, 30, 40, 50, 60, 70], what will be printed by list1[−3]?
(a) 30
(b) 50
(c) 40
(d) Error
Answer: b

Question: Choose the correct option for the following.
l1 = [2, 5, 7]
l = l1 + 5
print(l)
(a) [7, 10, 12]
(b) [2, 5, 7, 5]
(c) [5, 2, 5, 7]
(d) TypeError
Answer: d

Question: Identify the output of following code.
List1 = [1, 2, 3, 7, 9]
L = List1.pop(9)
print(L)
(a) Syntax error
(b) 9
(c) [1, 2, 3, 7]
(d) None of these
Answer: a

Question: Choose the output of following Python code.
l = list()
print(l)
(a) []
(b) ()
(c) [,]
(d) Empty
Answer: a

Case Based MCQs

Question: Suppose that list L1
[“Hello”, [“am”, “an”], [“that”, “the”, “this”], “you”,
“we”, “those”, “these”]
Based on the above information, answer the following questions.

Question: Choose the correct output of print (L1[6:])
a) “those”
b) “these”
c) “those”, “these”
d) None of these
Answer: b

Question: Find the output of L1[3 : 5].
a) [“that”, “the”, “this”]
b) [“we”, “those”]
c) [“you”, “we”]
d) [you, we]
Answer: c

Question: Give the correct statement for [‘Hello’, [‘am’, ‘an’], [‘that’, ‘the’, ‘this’], ‘you’, ‘we’, ‘those’, ‘these’]
a) L1[]
b) L1[:]
c) all.L1()
d) L1(all)
Answer: b

Question: What will be the output of L1[5:] + L1[2]?
a) [‘those’, ‘these’, ‘that’, ‘the’, ‘this’]
b) [‘those’, ‘these’]
c) [‘that’, ‘the’, ‘this’]
d) Error
Answer: a

Question: Find the output of len(L1).
a) 10
b) 7
c) 6
d) Error
Answer: b