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 5 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

Q41.

Object declared in main() function:

Can be used by any other function

Can be used by main() function of any other program

Can’t be used by any other function

Can be accessed using scope resolution operator

Discuss

Answer: (c).Can’t be used by any other function

Q42.

When an object is returned___________

A temporary object is created to return the value

The same object used in function is used to return the value

The Object can be returned without creation of temporary object

Object are returned implicitly, we can’t say how it happens inside program

Discuss

Answer: (a).A temporary object is created to return the value

Q43.

Which among the following is correct?

class student{ }s1,s2; s1.student()=s2.student();

class student{ }s1; class topper{ }t1; s1=t1;

class student{ }s1,s2; s1=s2;

class student{ }s1; class topper{ }t1; s1.student()=s2.topper();

Discuss

Answer: (c).class student{ }s1,s2; s1=s2;

Q44.

Which among following is correct for initializing the class below?

class student{
int marks;
int cgpa;
public: student(int i, int  j){
marks=I;
cgpa=j
}
};

student s[3]={ s(394, 9); s(394, 9); s(394,9); };

student s[2]={ s(394,9), s(222,5) };

student s[2]={ s1(392,9), s2(222,5) };

student s[2]={ s[392,9], s2[222,5] };

Discuss

Answer: (b).student s[2]={ s(394,9), s(222,5) };

Q45.

Object can’t be used with pointers because they belong to user defined class, and compiler can’t decide the type of data may be used inside the class. State True or False.

True

False

May be

Can't say

Discuss

Answer: (b).False

Q46.

Which feature of OOP indicates code reusability?

Encapsulation

Inheritance

Abstraction

Polymorphism

Discuss

Answer: (b).Inheritance

Q47.

If a function can perform more than 1 type of tasks, where the function name remains same, which feature of OOP is used here?

Encapsulation

Inheritance

Polymorphism

Abstraction

Discuss

Answer: (c).Polymorphism

Q48.

If different properties and functions of a real world entity is grouped or embedded into a single element, what is it called in OOP language?

Inheritance

Polymorphism

Abstraction

Encapsulation

Discuss

Answer: (d).Encapsulation

Q49.

Which of the following is not feature of pure OOP?

Classes must be used

Inheritance

Data may/may not be declared using object

Functions Overloading

Discuss

Answer: (c).Data may/may not be declared using object

Q50.

Which among the following doesn’t come under OOP concept?

Platform independent

Data binding

Message passing

Data hiding

Discuss

Answer: (a).Platform independent

Page 5 of 11

Welcome to the OOPs Concept and Features MCQs Page

OOPs Concept and Features MCQs | Page 5 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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