CBSE Class 11 Computer Science List Manipulation MCQs

Question. What will be the output :
nameList = [‘Harsh’, ‘Pratik’, ‘Bob’, ‘Dhruv’]
print nameList[1][-1]
a) Pratik
b) Bob
c) D
d) k

Answer : D

Question. Find the output:
list1 = [1998, 2002]
list2 = [2014, 2016]
print ((list1 + list2)*2)
a) [1998, 2002, 2014, 2016, 1998, 2002, 2014, 2016]
b) [1998, 2002, 2014, 2016]
c) [1998, 2002, 1998, 2002]
d) [2014, 2016, 2014, 2016]

Answer : A

Question. Find the output:
L = [1, 3, 5, 7, 9]
print(L.pop(-3), end = ‘ ‘)
a) 5
b) 9
c) 7
d) 3

Answer : A

Question. What is the output:
myList= [5, 10, 15, 25]
print(myList[::-2])
a) [5,10]
b) [25,10]
c) [15,5]
d) [15,10,5]

Answer : B

Question. What is the output:
sampleList = [10, 20, 30, 40, 50]
sampleList.pop()
print(sampleList)
sampleList.pop(2)
print(sampleList)
a) [10, 20, 30, 40, 50]
[10, 20, 30, 40]
b) [20, 30, 40, 50]
[10, 20, 40]
c) [10, 20, 30, 40]
[10, 20, 30, 50]
d) [10, 20, 30, 40]
[10, 20, 40]

Answer : D

Question. What will be the output of the following code segment?
list1 =[‘Red’, ‘Green’, ‘Blue’, ‘Cyan’, ‘Magenta’,
‘Yellow’, ‘Black’]
print(list1[-4:0:-1])
a) [‘Cyan’, ‘Blue’, ‘Green’, ‘Red’]
b) []
c) [‘Cyan’, ‘Blue’, ‘Green’]
d) [‘Cyan’, ‘Magenta’, ‘Yellow’, ‘Black’]

Answer : C

Question. Which of the following commands will sort list1 in descending order?
a) list1.sort(reverse=0)
b) list1.sort()
c) list1.sort(reverse=‘True’)
d) list1.sort(reverse=1)

Answer : D

Question. What will be the output of the following code segment?
l=[‘A’,’a’,’Aa’,’aA’]
print(max(l))
a) ‘aA’
b) ‘A’,
c) ‘a’
d) ‘Aa’

Answer : A

Question. Given list1 = [34,66,12,89,28,99]
Statement 1: list1.reverse()
Statement 2: list1[::-1]
Which statement modifies the contents of original list1.
a) Statement 1
b) Statement 2
c) Both Statement 1 and 2.
d) none of the mentioned

Answer : A

Question. Which type of copy is shown in the following python code?
1s1=[[10, 20], [30, 40], [50, 60]]
1s2=list(1s1)
a) Shallow copy
b) Deep copy
c) memberwise
d) All of the mentioned

Answer : A

Question. What will be the output after the following statements?
x = [10, 20, 30]
y = x[1] + x[2]
print(y)
a) 20
b) 30
c) 40
d) 50

Answer : D

Question. What will be the output after the following statements?
x = 3
y = 4
print(x*y)
a) 3
b) 4
c) 3 4
d) 12

Answer : D

Question. What will be the output after the following statements?
x = [5, 4, 3, 2]
x.remove(2)
print(x)
a) [5, 3, 2]
b) [5, 4, 3]
c) [5, 4, 2]
d) [3, 2]

Answer : B

Question. What will be the output after the following statements?
x = [5, 4, 3, 2, 1]
y = [0, 5, 10]
x.extend(y)
print(x)
a) [5, 4, 3, 2, 1, 0, 5, 10]
b) []
c) [5, 4, 3, 2, 1]
d) [0, 5, 10, 5, 4, 3, 2, 1]

Answer : A

Question. What will be the output after the following statements?
x = [25, 14, 53, 62, 11]
x.sort()
print(x)
a) [11, 14, 25, 53, 62]
b) [25, 14, 53, 62, 11]
c) [62, 53, 25, 14, 11]
d) [25, 53, 62, 14, 11]

Answer : A

Question. What will be the output after the following statements?
x = [25, 35, 53, 25, 52, 35, 25]
del x[3]
print(x)
a) [25, 35, 53, 52, 35, 25]
b) [25, 5, 5, 25, 52, 5, 25]
c) [35, 53, 52, 35]
d) [25, 35, 53, 25, 52, 35, 25]

Answer : A

Question. What will be the output after the following statements?
x = [4, 0, 7]
y = str(x[0]) + str(x[1])
print(y)
a) 11
b) 4
c) 40
d) 7

Answer : C

Question. Find the output:
Code = [1, 2, 3, 4]
Code.append([5,6,7,8])
print(Code)
a) [1,2,3,4,5,6,7,8]
b) [1,2,3,4]
c) [1,2,3,4,[5,6,7,8]]
d) [1,2,3,4][5,6,7,8]

Answer : C

Question. Find the output:
list = [‘a’, ‘b’, ‘c’, ‘d’, ‘e’]
print(list[10:] )
a) [‘a’, ‘b’, ‘c’, ‘d’, ‘e’]
b) [ ‘c’, ‘d’, ‘e’]
c) [ ]
d) [‘a’, ‘b’]

Answer : C

Question. What is the output :
myList= [4, 8, 12, 16]
myList[1:4] = [20, 24, 28]
print(myList)
a) [4, 20, 24, 28, 8, 12, 16]
b) [4, 20, 24, 28]
c) [20,24,28]
d) [4, 8, 12, 16, 20, 24, 28]

Answer : B

Question. Find the output:
list1 = [1, 2, 3, 4, 5]
list2 = list1
list2[0] = 0;
print( list1)
a) [1, 2, 3, 4, 5, 0]
b) [0,1, 2, 3, 4, 5]
c) [0, 2, 3, 4, 5]
d) [1, 2, 3, 4, 0]

Answer : C

Question. Find the output :
L1 = [1, 2, 3, 4]
L2 = L1
L3 = L1.copy()
L4 = L1
L1[0] = [5]
print(L1, L2, L3, L4)
a) [5, 2, 3, 4] [5, 2, 3, 4] [1, 2, 3, 4] [1, 2, 3, 4]
b) [[5], 2, 3, 4] [[5], 2, 3, 4] [[5], 2, 3, 4] [1, 2, 3, 4]
c) [5, 2, 3, 4] [5, 2, 3, 4] [5, 2, 3, 4] [1, 2, 3, 4]
d) [[5], 2, 3, 4] [[5], 2, 3, 4] [1, 2, 3, 4] [[5], 2, 3, 4]

Answer : D

VWhat is the output:
sampleList = [10, 20, 30, 40, 50]
sampleList.append(60)
print(sampleList)
sampleList.append(60)
print(sampleList)
a) [10, 20, 30, 40, 50]
b) [10, 20, 30, 40, 50,60,60]
c) [10, 20, 30, 40, 50,60]
d) [10, 20, 30, 40, 60]

Answer : B

Question. Which of the following is not an immutable data type:
a) string
b) complex
c) list
d) tuple

Answer : C

Question. Which command we use cane use To remove string “hello” from list1, Given, list1=[“hello”]
a) list1.remove(“hello”)
b) list1.pop(list1.index(‘hello’))
c) both a & b
d) none of these

Answer : C

Question. What will be the output of the following code segment?
myList = [1,2,3,4,5,6,7,8,9,10]
newList=[]
for i in range(0,len(myList)):
if i%2 == 0:
newList.append(myList[i])
print(newList)
a) [1,3,5,7,9]
b) [1,3,5,7]
c) []
d) [1,2,3,4,5,6,7,8,9,10]

Answer : A

Question. S1: Operator + concatenates one list to the end of another list.
S2: Operator * is to multiply the elements inside the list.
Which option is correct?
a) S1 is correct, S2 is incorrect
b) S1 is incorrect, S2 is incorrect
c) S1 is incorrect, S2 is incorrect
d) S1 is incorrect, S2 is correct

Answer : A

Question. What will be the output after the following statements?
x = [25, 35, 45]
y = x[0]
print(y)
a) x0
b) 25
c) 35
d) 45

Answer : B

Question. What will be the output after the following statements?
x = [15, 45, 85, 95]
print(x[3]-x[1])
a) 30
b) 40
c) 50
d) 10

Answer : C

Question. What will be the output after the following statements?
x = [5, 4, 3, 2, 1]
print(x.index(1))
a) 4
b) 3
c) 2
d) 1

Answer : A

Question. What will be the output after the following statements?
x = [5, 4, 3, 2, 1]
x.reverse()
print(x)
a) [0, 1, 2, 3, 4, 5]
b) [0, 5, 4, 3, 2, 1]
c) [5, 4, 3, 2, 1, 0]
d) [1, 2, 3, 4, 5]

Answer : D

Question. What will be the output after the following statements?
x = [25, 35, 53, 25, 52, 35, 25]
print(x.count(25))
a) 25
b) 3
c) 53
d) 35

Answer : B

Question. What will be the output after the following statements?
x = [5, 3, 6, 2, 4, 0, 1]
del x[2:3]
print(x)
a) [5, 3, 6, 4, 0, 1]
b) [5, 3, 2, 4, 0, 1]
c) [5, 6, 2, 4, 0, 1]
d) [5, 4, 0, 1]

Answer : B

Question. What will be the output after the following statements?
x = [4, 0, 7]
y = float(x[0] + x[2])
print(y)
a) 11
b) 11.0
c) 47.0
d) 47

Answer : B

Question. Find the output:
list = [1, 2, 3, None, (1, 2, 3, 4, 5), [‘Hi’, ‘Hello’, ‘Bye’]]
print(len(list))
a) 12
b) 11
c) 22
d) 6

Answer : D

Question. What is the output:
myList = [“PYthon”, [4, 8, 12, 16]]
print(myList[0][1])
print(myList[1][3])
a) P 8
Y 16
b) P
12
c) Y
16
d) Python
8

Answer : B

Question. What is the printed?
grades=[ ]
grades.append(45)
grades.append(35)
grades.append(21)
print(grades)
a) [45,35,21]
b) [21]
c) [45,35]
d) [ ]

Answer : A

Question. Which statement does not show any error after execution? Given L=[1,2,3,4] (U)
a) print(L+L)
b) print(L*L)
c) print(L-L)
d) All of the mentioned

Answer : A

Question. What will be the output of the following code segment?
L=’good’
L=[1,2,3]
n=2
print(L*n)
a) goodgood
b) [1, 2, 3, 1, 2, 3]
c) error
d) none

Answer : B

Question. Given a string: s=”String”. Which statement converts string ‘s’ into List ‘L’.
a) L=s
b) L=list(s)
c) L=s[::]
d) all of the mentioned

Answer : B

Question. What is the data type of x after the following statement?
x = [7, 8, 9, 10]
a) List
b) Dictionary
c) Tuple
d) String

Answer : A

Question. What will be the output after the following statements?
x = [‘Sunday’, ‘Monday’, ‘Tuesday’]
y = x[1] + x[2]
print(y)
a) MondayTuesday
b) SundayMonday
c) SunMonday
d) Monday Tuesday

Answer : A

Question. What will be the output after the following statements?
x = [5, 4, 3, 2]
print(x)
a) [5, 4, 3, 2]
b) 5, 4, 3, 2
c) 5432
d) (5, 4, 3, 2)

Answer : A

Question. What will be the output after the following statements?
x = [5, 4, 3, 2, 1]
print(x.pop(3))
a) 4
b) 3
c) 2
d) 1

Answer : C

Question. What will be the output after the following statements?
x = [5, 4, 3, 2, 1]
y = [10, 5, 0]
y.extend(x)
print(y)
a) [5, 4, 3, 2, 1, 10, 5, 0]
b) [10, 5, 0, 5, 4, 3, 2, 1]
c) [5, 4, 3, 2, 1]
d) [10, 5, 0]

Answer : B

Question. What will be the output after the following statements?
x = [25, ‘Today’, 53, ‘Sunday’, 15]
x.reverse()
print(x)
a) [‘Today’, ‘Sunday’, 15, 25, 53]
b) [15, ‘Sunday’, 53, ‘Today’, 25]
c) [15, 25, 53, ‘Sunday’, ‘Today’]
d) [15, 25, 53, ‘Today’, ‘Sunday’]

Answer : B

Question. What will be the output after the following statements?
x = [25, 35, 53, 25, 52, 35, 25]
len(x)
print(x)
a) 25
b) 5
c) 7
d) [25, 35, 53, 25, 52, 35, 25]

Answer : D

Question. What will be the output after the following statements?
x = [5, 3, 6, 2, 4, 0, 7]
del x[:]
print(x)
a) [ ]
b) [5, 3, 6, 2, 7]
c) [5, 3, 6, 2, 4, 0]
d) [4, 0, 7]

Answer : A

Question. Find the output:
d1 = [10, 20, 30, 40, 50]
d2 = [1, 2, 3, 4, 5]
print( d1 – d1 )
a) [10, 20, 30, 40, 50]
b) [1, 2, 3, 4, 5]
c) [10, 20, 30, 40, 50,-1, -2, -3, -4, -5]
d) No Output

Answer : D

Question. What is the output:
myList= [10, 20, 30, 40, 50, 60, 70, 80]
print(myList[2:5])
print(myList[:4])
print(myList[3:])
a) [20, 30, 40, 50]
[10, 20, 30, 40]
[30, 40, 50, 60, 70, 80]
b) [30, 40, 50]
[10, 20, 30, 40]
[40, 50, 60, 70, 80]
c) [20, 30, 40, 50]
[10, 20, 30, 40]
d) [10, 20, 30, 40]
[40, 50, 60, 70, 80]

Answer : B

Question. Which of the following is a mutable sequence data type?
a) string
b) list
c) tuple
d) All of the mentioned

Answer : B

Question. Which command can we use to insert 5 to the third position in list1?
a) list1.insert(3, 5)
b) list1.insert(2, 5)
c) list1.add(3, 5)
d) list1.append(3, 5)

Answer : B

Question. pop() returns the element whose index is passed as argument to this function and also removes it from the list. If no argument is given, then it returns and removes the _____element of the list. Fill in the Blank Space.
a) None
b) first
c) last
d) all

Answer : C

Question. What will be the output of the following code segment?
list1 = [10,20,30,10,40,10]
print(list1.index(10))
a) [0]
b) [0,3,5]
c) 0
d) 1 3 5

Answer : A

Question. What is the data type of x after the following statement?
x = [‘Today’, ‘Tomorrow’, ‘Yesterday’]
a) List
b) Dictionary
c) Tuple
d) String

Answer : A

Question. What will be the output after the following statements?
x = [[0.0, 1.0, 2.0],[4.0, 5.0, 6.0]]
y = x[1][2]
print(y)
a) 0.0
b) 1.0
c) 5.0
d) 6.0

Answer : D

Question. What will be the output after the following statements?
x = [5, 4, 3, 2]
x.insert(1, 0)
print(x)
a) [5, 1, 3, 2, 0]
b) [5, 0, 4, 3, 2]
c) [0, 5, 4, 3, 2]
d) [1, 5, 4, 3, 2]

Answer : B

Question. What will be the output after the following statements?
x = [’25’, ‘Today’, ’53’, ‘Sunday’, ’15’]
x.sort()
print(x)
a) [‘Today’, ‘Sunday’, ’15’, ’25’, ’53’]
b) [‘Sunday’, ‘Today’, ’15’, ’25’, ’53’]
c) [’15’, ’25’, ’53’, ‘Sunday’, ‘Today’]
d) [’15’, ’25’, ’53’, ‘Today’, ‘Sunday’]

Answer : C

Question. What will be the output after the following statements?
x = [5, 3, 6, 2, 4, 0, 7]
del x[0:4]
print(x)
a) []
b) [5, 3, 6, 2, 7]
c) [5, 3, 6, 2, 4, 0]
d) [4, 0, 7]

Answer : D

Question. What is the output:
myList = [1, 2, 3, 4, 5, 6, 7]
pow2 = [2 * x for x in myList]
print(pow2)
a) [1, 2, 3, 4, 5, 6, 7]
b) [2, 4, 6, 8, 10, 12, 14]
c) [2, 4, 6, 8, 10, 12]
d) [1, 2, 3, 4, 5, 6, ]

Answer : B

Question. Statement 1: append (): Appends a single element passed as an argument at the end of the list.
Statement 2: extend() Appends each element of the list passed as argument at the end of the given list
Which statement is correct?
a) Statement 1
b) Statement 2
c) Both Statement 1 and 2 are correct
d) Both Statement 1 and 2 are incorrect.

Answer : C

Question. What will be the output of the following code segment?
l=list(range(100,20,-20))
print(l)
a) [100 80 60 40]
b) [100, 80, 60, 40]
c) [100,20,-20]
d) error

Answer : B

Question. What will be the output after the following statements?
x = [‘Today’, ‘Tomorrow’, ‘Yesterday’]
y = x[1]
print(y)
a) x1
b) Today
c) Tomorrow
d) Yesterday

Answer : C

Question. What will be the output after the following statements?
x = [5, 4, 3, 2, 1]
x.extend(x)
print(x)
a) [5, 4, 3, 2, 1]
b) []
c) [1, 2, 3, 4, 5]
d) [5, 4, 3, 2, 1, 5, 4, 3, 2, 1]

Answer : D

Question. What will be the output after the following statements?
x = [5, 3, 6, 2, 4, 0, 7]
del x[0:7]
print(x)
a) [ ]
b) [5, 3, 6, 2, 4, 0, 7]
c) [5, 3, 6, 2, 4, 0]
d) [3, 6, 2, 4, 0]

Answer : A

Question. Find the output :
list = [‘python’, ‘learning’, ‘@’, ‘cbse’, ‘python’, ‘.in’]
print(list[0:6:2])
a) [‘python’, ‘@’, ‘python’]
b) [‘python’, ‘learning’, ‘@’]
c) [‘python’, ‘learning’, ‘@’, ‘python’, ‘in’]
d) [‘python’, ‘in’]

Answer : A

Question. What is the output :
val=[1,2,3,4,3,5,6,7,7,8]
x=7
print val.count(x)
a) 2
b) 3
c) 4
d) 5

Answer : A

Question. Which of the following command(s) will create a list?
a) list1 = list()
b) list1 = []
c) list1 = list([1, 2, 3])
d) all of these

Answer : D

Question. What will be the output of the following code segment?
list1 = [10,20,30,10,40,10]
print(list1.remove(10))
a) 10
b) [20,30,40]
c) None
d) []

Answer : C

Question. The record of a student (Name, Roll No, Marks in five subjects and percentage of marks) is stored in the following list:
stRecord = [‘Raman’,’A-36′,[56,98,99,72,69], 78.8]
Write Python statements to retrieve the following information from the list stRecord.
a) print(stRecord [2][4])
b) print(stRecord [2][-1])
c) print(stRecord [-2][-1])
d) all of the mentioned

Answer : D

Question. What will be the output after the following statements?
x = [[0.0, 1.0, 2.0],[4.0, 5.0, 6.0]]
y = x[0][1] + x[1][0]
print(y)
a) 1.0
b) 4.0
c) 5.0
d) 6.0

Answer : C

Question. What will be the output after the following statements?
x = [5, 4, 3, 2]
x.append(1)
print(x)
a) [5, 4, 3, 2]
b) 5, 4, 3, 2, 1
c) 5432
d) [5, 4, 3, 2, 1]

Answer : D

Question. What will be the output after the following statements?
x = [5, 4, 3, 2, 1]
y = [10, 5, 0]
x.extend(y)
print(y)
a) [5, 4, 3, 2, 1, 10, 5, 0]
b) []
c) [10, 5, 0, 5, 4, 3, 2, 1]
d) [10, 5, 0]

Answer : D

Question. What will be the output after the following statements?
x = [25, 35, 53, 25, 52, 35, 25]
print(len(x))
a) 25
b) 5
c) 7
d) 35

Answer : C