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Welcome to the Member Functions MCQs Page

Dive deep into the fascinating world of Member Functions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Member Functions, a crucial aspect of Object Oriented Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Member Functions, 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.

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Check out the MCQs below to embark on an enriching journey through Member Functions. 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 Member Functions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Member Functions MCQs | Page 1 of 12

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Q1.
Virtual function is ______ class function which expected to be redefined in ______ class, so that when reference is made to derived class object using pointer then we can call virtual function to execute ________ class definition version.

a.

Base, derived, derived

b.

Derived, Derived, Derived

c.

Base, derived, base

d.

Base, base, derived

Discuss
Answer: (a).Base, derived, derived
Q2.
What does a virtual function ensure for an object, among the following?

a.

Correct method is called, regardless of the class defining it

b.

Correct method is called, regardless of the object being called

c.

Correct method is called, regardless of the type of reference used for function call

d.

Correct method is called, regardless of the type of function being called by objects

Discuss
Answer: (c).Correct method is called, regardless of the type of reference used for function call
Q3.
Virtual functions are mainly used to achieve _____________

a.

Compile time polymorphism

b.

Interpreter polymorphism

c.

Runtime polymorphism

d.

Functions code polymorphism

Discuss
Answer: (c).Runtime polymorphism
Q4.
Which keyword is used to declare virtual functions?

a.

virtual

b.

virt

c.

anonymous

d.

virtually

Discuss
Answer: (a).virtual
Q5.
Where the virtual function should be defined?

a.

Twice in base class

b.

Derived class

c.

Base class and derived class

d.

Base class

Discuss
Answer: (d).Base class
Q6.
The resolving of virtual functions is done at ______________

a.

Compile time

b.

Interpret time

c.

Runtime

d.

Writing source code

Discuss
Answer: (c).Runtime
Q7.
In which access specifier should a virtual function be defined?

a.

Private

b.

Public

c.

Protected

d.

Default

Discuss
Answer: (b).Public
Q8.
Virtual functions can never be made _______________

a.

Static function

b.

Parameterized function

c.

Default argument function

d.

Zero parameter function

Discuss
Answer: (a).Static function
Q9.
Virtual functions can’t be made friend function of other classes.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q10.
Which is must condition for virtual function to achieve runtime polymorphism?

a.

Virtual function must be accessed with direct name

b.

Virtual functions must be accessed using base class object

c.

Virtual function must be accessed using pointer or reference

d.

Virtual function must be accessed using derived class object only

Discuss
Answer: (c).Virtual function must be accessed using pointer or reference
Page 1 of 12

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