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12th Standard Computer Science — Python Classes and objects: Book Back Online Practice Test

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Which of the following are the key features of an Object Oriented Programming language?

A.Constructor and Classes B.Constructor and Object C.Classes and Objects D.Constructor and Destructor

Functions defined inside a class are called:

A.Functions B.Module C.Methods D.section

Class members are accessed through which operator?

A.& B.. C.# D.%

Which of the following methods is automatically executed when an object is created?

A.__object__( ) B.__del__( ) C.__func__( ) D.__init__( )

A private class variable is prefixed with:

A.__ B.&& C.## D.**

Which of the following methods is used as a destructor?

A.__init__( ) B.__dest__( ) C.__rem__( ) D.__del__( )

Which of the following class declarations is correct?

A.class class_name B.class class_name<> C.class class_name: D.class class_name[ ]

What is the output of the following program? ```python class Student: def __init__(self, name): self.name=name print (self.name) S=Student("Tamil") ```

A.Error B.Tamil C.name D.self

Which of the following is a private class variable?

A.__num B.##num C.\$\$num D.&&num

Q10

The process of creating an object is called:

A.Constructor B.Destructor C.Initialize D.Instantiation

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About this Python Classes and objects test

This free online practice test covers Python Classes and objects 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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1 Function 2 Data Abstraction 3 Scoping 4 Algorithmic Strategies 5 Python -Variables and Operators 6 Control Structures 7 Python functions 8 Strings and String manipulation 9 Lists, Tuples, Sets and Dictionary 11 Database Concepts 12 Structured Query Language (SQL) 13 Python and CSV files 14 Importing C++ programs in Python. 15 Data manipulation through SQL 16 Data visualization using pyplot: line chart, pie chart and bar chart