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 4 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

Q31.

Which definition best describes an object?

Instance of a class

Instance of itself

Child of a class

Overview of a class

Discuss

Answer: (a).Instance of a class

Q32.

How many objects can be declared of a specific class in a single program?

32768

127

As many as you want

Discuss

Answer: (d).As many as you want

Q33.

Which among the following is false?

Object must be created before using members of a class

Memory for an object is allocated only after its constructor is called

Objects can’t be passed by reference

Objects size depends on its class data members

Discuss

Answer: (c).Objects can’t be passed by reference

Q34.

Which of the following is incorrect?

class student{ }s;

class student{ }; student s;

class student{ }s[];

class student{ }; student s[5];

Discuss

Answer: (c).class student{ }s[];

Q35.

The object can’t be:

Passed by reference

Passed by value

Passed by copy

Passed as function

Discuss

Answer: (d).Passed as function

Q36.

What is size of the object of following class (64 bit system)?

class student { int rollno; char name[20]; static int studentno; };

Discuss

Answer: (c).24

Q37.

Functions can’t return objects. State True or False.

True

False

May be

Can't say

Discuss

Answer: (b).False

Q38.

How members of an object are accessed?

Using dot operator/period symbol

Using scope resolution operator

Using member names directly

Using pointer only

Discuss

Answer: (a).Using dot operator/period symbol

Q39.

If a local class is defined in a function, which of the following is true for an object of that class?

Object is accessible outside the function

Object can be declared inside any other function

Object can be used to call other class members

Object can be used/accessed/declared locally in that function.

Discuss

Answer: (d).Object can be used/accessed/declared locally in that function.

Q40.

Which among the following is wrong?

class student{ }; student s;

abstract class student{ }; student s;

abstract class student{ }s[50000000];

abstract class student{ }; class toppers: public student{ }; topper t;

Discuss

Answer: (b).abstract class student{ }; student s;

Page 4 of 11

Welcome to the OOPs Concept and Features MCQs Page

OOPs Concept and Features MCQs | Page 4 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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