Polymorphism In C Plus Plus MCQs with Explanations

Compile-time polymorphism is the correct answer to “Which type of polymorphism is achieved by function overloading in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

By using virtual functions. is the correct answer to “How is polymorphism implemented in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

virtual is the correct answer to “Which keyword is used to achieve runtime polymorphism in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

It indicates that a function can be overridden in derived classes. is the correct answer to “What is the use of the 'virtual' keyword in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Ensures proper destruction of derived class objects when deleted through a base class pointer. is the correct answer to “What is the role of a virtual destructor in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Dynamic polymorphism is the correct answer to “Which type of polymorphism is achieved by function overriding in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Yes is the correct answer to “In C++, can a derived class have its own definition of a function that is already defined in the base class”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Multilevel inheritance is the correct answer to “Which type of inheritance is necessary for achieving polymorphism in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

No error, the base class function is called. is the correct answer to “What happens if a virtual function is not overridden in the derived class in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Defining multiple functions with the same name but different parameters. is the correct answer to “What is function overloading in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Polymorphism resolved during compile time. is the correct answer to “What is compile-time polymorphism in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

No is the correct answer to “In C++, can a function be both virtual and static at the same time”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Parametric polymorphism is the correct answer to “Which of the following is not a type of polymorphism in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

It forces derived classes to implement the function. is the correct answer to “What is the purpose of a pure virtual function in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Polymorphism involves different implementations of the same function name. is the correct answer to “How is polymorphism different from overloading in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

It involves a derived class defining a function that redefines a base class function. is the correct answer to “What is the concept of function overriding in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

final is the correct answer to “Which keyword is used to prevent further inheritance of a class in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

It indicates that the function can be overridden in derived classes. is the correct answer to “What is the role of the 'virtual' keyword in function declaration in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Ad-hoc polymorphism is the correct answer to “Which type of polymorphism allows a class to have multiple methods with the same name but different signatures”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

To ensure proper destruction of derived class objects when deleted through a base class pointer. is the correct answer to “What is the purpose of a virtual destructor in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

They are resolved at runtime. is the correct answer to “Which of the following is true about virtual functions in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Base::virtual_function() is the correct answer to “What is the syntax for calling a virtual function from a derived class constructor in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Static binding occurs at compile time while dynamic binding occurs at runtime. is the correct answer to “What is the difference between static binding and dynamic binding in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Yes is the correct answer to “In C++, can a derived class have more than one base class with a virtual function”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Compile-time polymorphism is the correct answer to “Which type of polymorphism is achieved by function templates in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Compilation error is the correct answer to “What happens if a pure virtual function is not implemented in a derived class in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Function overloading is the correct answer to “Which C++ feature allows a function to behave differently based on the number or types of its arguments”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

It allows dynamic binding is the correct answer to “In C++, what is the effect of declaring a destructor as virtual”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Run-time polymorphism is the correct answer to “Which type of polymorphism allows different classes to be treated as instances of the same class through a common interface”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

By using virtual functions is the correct answer to “How can you achieve runtime polymorphism in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

final is the correct answer to “In C++, which keyword can be used to prevent a virtual function from being overridden in derived classes”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Code reusability is the correct answer to “What is the main advantage of polymorphism in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

base is the correct answer to “Which C++ keyword is used to access the base class within a derived class”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Overloading deals with static binding is the correct answer to “What is the difference between function overloading and function overriding in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

No is the correct answer to “In C++, can you overload the return type of a function”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Parametric polymorphism is the correct answer to “Which type of polymorphism is not supported in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

To enable polymorphism is the correct answer to “What is the primary reason for using virtual functions in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

By using both function overloading and overriding is the correct answer to “How can you achieve polymorphism in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

No is the correct answer to “In C++, can you declare a constructor as virtual”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.

Compilation error is the correct answer to “What is the result of attempting to instantiate an object of an abstract class in C++”. This question is standard in competitive examination syllabi for Polymorphism In C Plus Plus.