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12th Standard Computer Science — Lists, Tuples, Sets and Dictionary: Book Back Online Practice Test

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Pick odd one in connection with collection data type

A.List B.Tuple C.Dictionary D.Loop

Let list1=[2, 4, 6, 8, 10], then print(list1[-2]) will result in

A.10 B.8 C.4 D.6

Which of the following function is used to count the number of elements in a list?

A.count() B.find() C.len() D.index()

If List=[10, 20, 30, 40, 50] then List[2]=35 will result

A.[35, 10, 20, 30, 40, 50] B.[10, 20, 30, 40, 50, 35] C.[10, 20, 35, 40, 50] D.[10, 35, 30, 40, 50]

If List=[10, 20, 30, 40, 50] then List.append(32) will result

A.[32, 10, 20, 30, 40, 50] B.[10, 20, 30, 40, 50, 32] C.[10, 20, 32, 40, 50] D.[10, 20, 30, 40, 50]

Which of the following Python function can be used to add more than one element within an existing list?

A.append() B.append_more() C.extend() D.more()

What will be the result of the following Python code? S=[x**2 for x in range(5)] print(S)

A.[0, 1, 2, 4, 5] B.[0, 1, 4, 9, 16] C.[0, 1, 4, 9, 25] D.[1, 4, 9, 16, 25]

What is the use of type() function in python?

A.To create a Tuple B.To know the type of an element in tuple. C.To know the data type of python object. D.To create a list.

Which of the following statement is not correct?

A.A list is mutable B.A tuple is immutable. C.The append() function is used to add an element. D.The extend() function is used in tuple to add elements in a list.

Q10

Let setA = {3,6,9}, setB = {1,3,9}. What will be the result of the following snippet? print(setA|setB)

A.{3,6,9,1,3,9} B.{3,9} C.{1} D.{1,3,6,9}

Q11

Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?

A.Symmetric difference B.Difference C.Intersection D.Union

Q12

The keys in Python dictionary are specified by

A.= B.; C.+ D.:

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About this Lists, Tuples, Sets and Dictionary test

This free online practice test covers Lists, Tuples, Sets and Dictionary from the 12th Standard Computer Science (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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