C++ Programming · all questions

Polymorphism in C++
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

42

Questions

1/3

Page

Pick an option on a question to see the right answer and solution.

Q1

What is polymorphism in C++?

Select an option to see the answer and solution.

Q2

Which type of polymorphism is achieved by function overloading in C++?

Select an option to see the answer and solution.

Q3

What is dynamic polymorphism in C++?

Select an option to see the answer and solution.

Q4

How is polymorphism implemented in C++?

Select an option to see the answer and solution.

Q5

Which keyword is used to achieve runtime polymorphism in C++?

Select an option to see the answer and solution.

Q6

What is the use of the 'virtual' keyword in C++?

Select an option to see the answer and solution.

Q7

What is the role of a virtual destructor in C++?

Select an option to see the answer and solution.

Q8

Which type of polymorphism is achieved by function overriding in C++?

Select an option to see the answer and solution.

Q9

In C++, can a derived class have its own definition of a function that is already defined in the base class?

Select an option to see the answer and solution.

Q10

Which type of inheritance is necessary for achieving polymorphism in C++?

Select an option to see the answer and solution.

Q11

What happens if a virtual function is not overridden in the derived class in C++?

Select an option to see the answer and solution.

Q12

What is function overloading in C++?

Select an option to see the answer and solution.

Q13

What is compile-time polymorphism in C++?

Select an option to see the answer and solution.

Q14

In C++, can a function be both virtual and static at the same time?

Select an option to see the answer and solution.

Q15

Which of the following is not a type of polymorphism in C++?

Select an option to see the answer and solution.

Q16

What is the purpose of a pure virtual function in C++?

Select an option to see the answer and solution.

Q17

How is polymorphism different from overloading in C++?

Select an option to see the answer and solution.

Q18

What is the concept of function overriding in C++?

Select an option to see the answer and solution.

Q19

Which keyword is used to prevent further inheritance of a class in C++?

Select an option to see the answer and solution.

Q20

What is the role of the 'virtual' keyword in function declaration in C++?

Select an option to see the answer and solution.