Lists, Tuples, Sets and Dictionary Additional Practice Test

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

Pick how many questions you want and set a time limit, then start. You'll get your score at the end with the correct answer and an explanation for every question. Free, in Tamil and English — 15 questions available.

Set up your test

Number of questions

Time limit

Time remaining00:00

Which of the following Python methods can be used to duplicate all items of a list into a new list without modifying the original list?

A.list.dup() B.list.copy() C.list.clone() D.list.backup()

If a Python list is defined as MyList = [2, 10, 15, 20, 10], what will be the output of MyList.index(10)?

A.1 B.4 C.0 D.2

In Python, creating a tuple with a single element is called a "Singleton" tuple. Which of the following is the correct way to define a singleton tuple with the value 50?

A.T = (50) B.T = 50 C.T = (50,) D.T = [50]

Which of the following statement is true regarding the execution speed of iterating over Tuples compared to Lists in Python?

A.Iterating lists is faster than tuples. B.Iterating tuples is faster than lists. C.Both have identical iteration speeds. D.Iterating speed depends only on the length, not the data type.

Consider the Python expression: S = [x**3 for x in range(1, 5) if x % 2 == 0]. What will be the final contents of the list S?

A.[1, 8, 27, 64] B.[8, 64] C.[1, 27] D.[2, 4]

What will be the output when the following Python code is executed? S1 = {10, 20, 30} S2 = {20, 30, 40} print(S1 ^ S2)

A.{20, 30} B.{10, 40} C.{10, 20, 30, 40} D.{10, 20, 30}

Which Python list function removes all the elements of a list but retains the empty list structure itself?

A.remove() B.pop() C.clear() D.del

What is the output of the following dictionary deletion operation? Dict = {'Reg_No': '1221', 'Name': 'Tamilselvi'} Dict.clear() print(Dict)

A.None B.{'Reg_No': '', 'Name': ''} C.{} D.NameError: name 'Dict' is not defined

Which of the following set operations is correctly paired with its corresponding Python operator?

A.Union: & B.Intersection: | C.Difference: - D.Symmetric Difference: *

Q10

If a Python list is Numbers = [10, 20, 30, 40, 50], what will be the result of the slice operation Numbers[-3:-1]?

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

Q11

Which of the following statement is correct about dictionary keys in Python?

A.Keys must be enclosed in square brackets and can be duplicated. B.Keys can be duplicated and are case-insensitive. C.Keys must be unique, are case-sensitive, and can be of any valid Python type. D.Keys can only be integer values starting from zero.

Q12

What will be stored in x after executing the following Python code? MyTuple = (10, 20, 30) x = MyTuple + (40,)

A.(10, 20, 30, 40) B.(10, 20, 30, 40,) C.(10, 20, 30, (40,)) D.TypeError: can only concatenate tuple to tuple

Q13

Which Python function can convert a List or a Tuple into a Set, thereby eliminating duplicate elements?

A.to_set() B.set() C.unique() D.cast_set()

Q14

What is the correct output when the following Python code is run? list1 = [5] * 3 print(list1)

A.[15] B.[5, 5, 5] C.[[5], [5], [5]] D.TypeError: unsupported operand type for *

Q15

Consider the following dictionary comprehension: Dict = {x: x * x for x in range(1, 4)}. What is the value of Dict[3]?

A.3 B.6 C.9 D.1

More for this chapter

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.

More chapters in Computer Science

View all