Welcome to the OOPs Concept and Features MCQs Page

Dive deep into the fascinating world of OOPs Concept and Features with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of OOPs Concept and Features, a crucial aspect of Object Oriented Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of OOPs Concept and Features, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming.

Check out the MCQs below to embark on an enriching journey through OOPs Concept and Features. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of OOPs Concept and Features. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

OOPs Concept and Features MCQs | Page 3 of 11

Explore more Topics under Object Oriented Programming

01

Objects and Classes in OOPs

02

Constructors and Destructors

03

Access Specifiers

04

Class Members

05

Member Functions

06

Inheritance and its Types

07

Exception Handling

08

Objects and Pointers

09

Memory Allocation and Variable Scope

10

Overloading

11

Inbuilt Classes

Q21.

Size of a class is :

Sum of size of all the variables declared inside the class

Sum of size of all the variables along with inherited variables in the class

Size of largest size of variable

Classes doesn’t have any size

Discuss

Answer: (d).Classes doesn’t have any size

Q22.

Which class can have member functions without their implementation?

Default class

String class

Template class

Abstract class

Discuss

Answer: (d).Abstract class

Q23.

Which of the following describes a friend class?

Friend class can access all the private members of the class, of which it is a friend

Friend class can only access protected members of the class, of which it is a friend

Friend class don’t have any implementation

Friend class can’t access any data member of another class but can use it’s methods

Discuss

Answer: (a).Friend class can access all the private members of the class, of which it is a friend

Q24.

What is scope of a class nested inside another class?

Protected scope

Private scope

Global scope

Depends on access specifier and inheritance used

Discuss

Answer: (d).Depends on access specifier and inheritance used

Q25.

State True or False. Class with main() function can be inherited.

True

False

May be

Can't say

Discuss

Answer: (a).True

Q26.

Which among the following is false, for member function of a class?

All member functions must be defined

Member functions can be defined inside or outside the class body

Member functions need not be declared inside the class definition

Member functions can be made friend to another class using friend keyword

Discuss

Answer: (c).Member functions need not be declared inside the class definition

Q27.

Which syntax for class definition is wrong?

class student{ student(int a){} };

student class{ };

class student{ public: student(int a){ } };

class student{ student(int a){} };

Discuss

Answer: (b).student class{ };

Q28.

Which of the following pairs are similar?

Class and object

Class and structure

Structure and object

Structure and functions

Discuss

Answer: (b).Class and structure

Q29.

Which among the following is false for class features?

Classes may/may not have both data members and member functions

Class definition must be ended with a colon

Class can have only member functions with no data members

Class is similar to union and structures

Discuss

Answer: (b).Class definition must be ended with a colon

Q30.

Instance of which type of class can’t be created?

Anonymous class

Nested class

Parent class

Abstract class

Discuss

Answer: (d).Abstract class

Page 3 of 11

Welcome to the OOPs Concept and Features MCQs Page

OOPs Concept and Features MCQs | Page 3 of 11

Explore more Topics under Object Oriented Programming

Objects and Classes in OOPs

Constructors and Destructors

Access Specifiers

Class Members

Member Functions

Inheritance and its Types

Exception Handling

Objects and Pointers

Memory Allocation and Variable Scope

Overloading

Inbuilt Classes

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