Explore topic-wise MCQs in Object Oriented Programming Using C++.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Object Oriented Programming Using C++ knowledge and support exam preparation. Choose a topic below to get started.

1.

If virtual function of base class is redefined in derived class then ________________

A. It must be declared virtual in derived class also
B. It may or may not be declared virtual in derived class
C. It can must not be declared virtual in derived class
D. It must be declared normally in derived class
Answer» C. It can must not be declared virtual in derived class
Discussion
2.

It is __________ to redefine the virtual function in derived class.

A. Necessary
B. Not necessary
C. Not acceptable
D. Good practice
Answer» C. Not acceptable
Discussion
3.

Which is a 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
Answer» D. Virtual function must be accessed using derived class object only
Discussion
4.

Virtual functions can t be made friend function of other classes.

A. True
B. False
Answer» B. False
Discussion