Strings and String manipulation Practice Test

12th Standard Computer Science — Strings and String manipulation: 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 — 25 questions available.

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Which of the following is the output of the following python code? str1="TamilNadu" print(str1[::-1])

A.Tamilnadu B.Tmlau C.udanlimaT D.udaNlimaT

What will be the output of the following code? str1 = "Chennai Schools" str1 = "-"

A.Chennai-Schools B.Chenna-School C.Type error D.Chennai

Which of the following operator is used for concatenation?

A.+ B.& C.* D.=

Defining strings within triple quotes allows creating:

A.Single line Strings B.Multiline Strings C.Double line Strings D.Multiple Strings

Strings in python:

A.Changeable B.Mutable C.Immutable D.flexible

Which of the following is the slicing operator?

A.{ } B.[ ] C.< > D.( )

What is stride?

A.index value of slide operation B.first argument of slice operation C.second argument of slice operation D.third argument of slice operation

Which of the following formatting character is used to print exponential notation in upper case?

A.%f B.%E C.%g D.%n

Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?

A.{ } B.< > C.++ D.^^

Q10

The subscript of a string may be:

A.Positive B.Negative C.Both (a) and (b) D.Either (a) or (b)

Q11

If a string in Python is defined as my_str = "Innovate", what will be the value returned by my_str[-5]?

A."o" B."n" C."v" D."a"

Q12

Which built-in Python string function is used to change the case of every character in a string to its opposite case?

A.inversecase() B.togglecase() C.swapcase() D.reversecase()

Q13

What will be the output of the following Python expression: print("Python".center(10, '*'))?

A."**Python**" B."*Python***" C."***Python*" D."****Python"

Q14

Which of the following is returned by the expression print("Save1Earth".isalnum()) in Python?

A.False B.True C.None D.Error

Q15

In Python, what occurs when you attempt to delete a single character from a string using the statement: del str1?

A.The character at index 2 is replaced with a blank space B.The character at index 2 is removed and the string is resized C.It throws a TypeError because strings are immutable D.It throws a NameError because the variable is deleted

Q16

What will be the output of the following Python code snippet? str1 = "Welcome to Python" print(str1[11:17:2])

A."Pto" B."Pth" C."yhn" D."Pyn"

Q17

Which of the following formatting characters is used to represent a signed decimal integer in Python string formatting?

A.%c B.%d C.%s D.%f

Q18

What will be the output of the following Python code? str1 = "corporation" print(str1.capitalize())

A."Corporation" B."CORPORATION" C."corporation" D."CorporatioN"

Q19

Which of the following values is returned by the find() function if the specified substring is not found within the main string?

A.0 B.False C.None D.-1

Q20

What will be the output of the following Python code snippet? str1 = "Raja Chozhan" print(str1.count('a', 0, 5))

A.1 B.2 C.3 D.4

Q21

What will be the output of the following Python code snippet? str1 = "welcome" print(str1.islower())

A.True B.False C.None D.Error

Q22

What is the output of the functions ord('A') and chr(65) in Python respectively?

A.65 and "A" B."A" and 65 C.97 and "a" D."a" and 97

Q23

Which of the following escape sequences represents an ASCII Carriage Return in Python?

A.\n B.\t C.\r D.\b

Q24

What is the result of the membership operation "chennai" in "Chennai Schools" in Python?

A.True B.False C.Error D.None

Q25

What is the output of the following Python code? print("welcome" + "python" * 2)

A."welcomepythonwelcomepython" B."welcomepythonpython" C."welcomewelcomepython" D."welcomepython2"

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About this Strings and String manipulation test

This free online practice test covers Strings and String manipulation 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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