Polymorphism in C++ MCQ question and answer with solution | C++ Programimg MCQs

A. Run-time polymorphism

B. Operator overloading

C. Parametric polymorphism

D. Ad-hoc polymorphism

A. To prevent memory leaks when deleting objects of derived classes through base class pointers.

B. To prevent memory leaks when deleting objects of base classes.

C. To ensure proper destruction of derived class objects when deleted through a base class pointer.

D. To ensure proper memory alignment for polymorphic objects.

A. They cannot be overloaded.

B. They can be static.

C. They are resolved at compile-time.

D. They are resolved at runtime.

A. virtual_function()

B. Base::virtual_function()

C. this->virtual_function()

D. Derived::virtual_function()

A. Static binding occurs at compile time while dynamic binding occurs at runtime.

B. Static binding occurs at runtime while dynamic binding occurs at compile time.

C. Static binding occurs when linking while dynamic binding occurs when executing.

D. Static binding occurs in inheritance while dynamic binding occurs in polymorphism.

A. Yes

B. No

C. Yes, but only if the virtual functions have the same name.

D. Yes, but only if the virtual functions have different return types.

A. Compile-time polymorphism

B. Run-time polymorphism

C. Static polymorphism

D. Dynamic polymorphism

A. Compilation error

B. Run-time error

C. No error, the base class function is called.

D. No error, the derived class function is called.

A. Operator overloading

B. Function overloading

C. Inheritance

D. Encapsulation

A. It prevents memory leaks

B. It allows dynamic binding

C. It enables polymorphism

D. It raises a compilation error