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MCQs on Object Oriented C++ Programming

MCQs on Object Oriented C++ Programming
MCQ related to Object Oriented programming using C++ for general use and also for job preparation of Public Service Commission
Option image

Q No.1 of 10

Class Dog : public X, public Y
is an example of

Option 1

Multiple inheritance

Option 2

Repeated inheritance

Option 3

Linear inheritance

Option 4

None of the above

Q No.2 of 10

Choose the correct statements.

Option 1

A destructor is not inherited

Option 2

A constructor cannot be called explicitly

Option 3

A constructor is not inherited

Option 4

All of these

Q No.3 of 10

The compiler identifies a virtual function to be pure

Option 1

by the presence of the keyword pure

Option 2

by its location in the program

Option 3

if it is equated to 0

Option 4

none of the above

Q No.4 of 10

Let class APE be a friend of class SAPIEN. Let class HUMAN be a child class of SAPIEN and let MONKEY be a child class of APE. Then

Option 1

SAPIEN is not a friend of APE

Option 2

APE is not a friend of HUMAN

Option 3

MONKEY is not afriend of SAPIEN

Option 4

All of these

Q No.5 of 10

A class having no name

Option 1

cannot have a constructor

Option 2

cannot have a destructor

Option 3

cannot be passed as an argument

Option 4

all of these

Q No.6 of 10

For a method to be an interface between the outside world and a class, it had to be declard

Option 1

private

Option 2

protected

Option 3

public

Option 4

external

Q No.7 of 10

Choose the correct statement(s) from the following.

Option 1

In a struct, the access control is public by default.

Option 2

In a struct, the access control is private by default.

Option 3

In a class, the access control is public by default.

Option 4

None of these

Q No.8 of 10

Overloading is otherwise called as

Option 1

Virtual polymorphism

Option 2

Transient polymorphism

Option 3

Pseudo polymorphism

Option 4

Ad-hoc polymorphism

Q No.9 of 10

C++ encourages structuring a software as a collection of components that are

Option 1

Highly cohesive and loosely coupled

Option 2

Not highly cohesive but loosely coupled

Option 3

Highly cohesive and tightly coupled

Option 4

Not highly cohesive but tightly coupled

Q No.10 of 10

Which of the follwing parameter passing mechanism(s) is /are supported by C++, but not by C?

Option 1

Pass by value

Option 2

Pass by reference

Option 3

Pass by value-result

Option 4

All of the above

Correct Answers