Explore topic-wise MCQs in Object Oriented Programming.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Object Oriented Programming knowledge and support exam preparation. Choose a topic below to get started.

1.

All the derived classes can access only a few members of base class that other derived classes can’t access at same time, in hierarchical inheritance.

A. True
B. False
Answer» C.
Discussion
2.

Which class constructor is called first when an object of derived class is created?

A. Base class constructor
B. Derived class constructor
C. Firstly created derived class constructor
D. Last created derived class constructor
Answer» B. Derived class constructor
Discussion
3.

Which type of inheritance is most suitable for inheriting Same syllabus into different colleges with different streams?

A. Multiple
B. Single
C. Hierarchical
D. Multilevel
Answer» D. Multilevel
Discussion
4.

Hierarchical inheritance can be a subset of _________________

A. Hybrid inheritance
B. Multiple inheritance
C. Single level inheritance
D. Multilevel inheritance
Answer» B. Multiple inheritance
Discussion
5.

If one class have derived the base class privately then another class can’t derive the base class publically.

A. True
B. False
Answer» C.
Discussion
6.

How many classes can be derived from the base class using hierarchical inheritance?

A. As many as required
B. Only 7
C. Only 3
D. Up to 127
Answer» B. Only 7
Discussion
7.

Which among the following is correct for following code?

A. Compile time error
B. Runtime error
C. Program runs and o/p is 0
D. Program runs and o/p is garbage valueView Answer
Answer» B. Runtime error
Discussion
8.

Which class uses hierarchical inheritance in following code?

A. Class A, B, C
B. Class B, C, D
C. Class A, C, D
D. Class D, A, BView Answer
Answer» E.
Discussion
9.

Which access specifiers should be used so that all the derived classes restrict further inheritance of base class members?

A. Private
B. Public
C. Protected
D. Any inheritance type can be used
Answer» B. Public
Discussion
10.

Base class _______________

A. Can be made abstract
B. Can’t be made abstract
C. Must be abstract
D. If made abstract, compile time error
Answer» B. Can’t be made abstract
Discussion
11.

How many classes must be there to implement hierarchical inheritance?

A. Exactly 3
B. At least 3
C. At most 3
D. At least 1
Answer» C. At most 3
Discussion
12.

Each class can inherit the base class ________________

A. Independently using any inheritance
B. Independently with private inheritance only
C. With same type of inheritance
D. With each class using different inheritance only
Answer» B. Independently with private inheritance only
Discussion
13.

Do members of base class gets divided among all of its child classes?

A. Yes, equally
B. Yes, depending on type of inheritance
C. No, it’s doesn’t get divided
D. No, it may or may not get divided
Answer» D. No, it may or may not get divided
Discussion
14.

Which among the following is best to define hierarchical inheritance?

A. More than one classes being derived from one class
B. More than 2 classes being derived from single base class
C. At most 2 classes being derived from single base class
D. At most 1 class derived from another class
Answer» B. More than 2 classes being derived from single base class
Discussion
15.

If one class have derived the base class privately then another class can’t derive the base class publically.$#

A. True
B. False
Answer» B. False
Discussion
16.

How many classes can be derived from the base class using hierarchical inheritance?$

A. As many as required
B. Only 7
C. Only 3
D. Up to 127
Answer» E.
Discussion
17.

Class A,B,C

A. Class B,C,D
B. Class A,C,D
C. Class D,A,B
Answer» B. Class A,C,D
Discussion