Strings and String manipulation Additional Practice Test

12th Standard Computer Science — Strings and String manipulation: Additional Online Practice Test

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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"

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()

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

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

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

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

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

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"

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

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

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

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

Q10

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

Q11

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

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

Q12

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

Q13

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

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

Q14

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

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

Q15

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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