Object Oriented Programming MCQs with Answers
Practice important Object Oriented Programming MCQs with answers and explanations.
Multiple Choice Questions
Q41: In Object-Oriented Programming, which class is called the base class?
- A: The child class
- B: The parent class
- C: The derived class
- D: The instance class
View Answer
B
Q42: What does the principle of "IS A" relationship in inheritance describe?
- A: An object is an instance of a class
- B: A class is a subclass of another class
- C: A derived class is a type of base class
- D: A class contains another class
View Answer
C
Q43: What is the primary benefit of using inheritance in object-oriented design?
- A: Increased complexity
- B: Reuse and reduced redundancy
- C: Limited maintainability
- D: Additional attributes
View Answer
B
Q44: Which of the following correctly represents an inheritance relationship in OOP?
- A: A Car IS A Vehicle
- B: A Car HAS A Vehicle
- C: A Car is used in Vehicle
- D: A Vehicle has Car
View Answer
A
Q45: Abstraction helps in coping with __________ by simplifying complex systems.
- A: Redundancy
- B: Complexity
- C: Implementation
- D: Encapsulation
View Answer
B
Q46: Inheritance allows a derived class to reuse the __________ of its base class.
- A: Methods and Attributes
- B: Only Attributes
- C: Only Methods
- D: None
View Answer
A
Q47: The __________ class is the one from which attributes and methods are inherited.
- A: Derived
- B: Child
- C: Base
- D: Subclass
View Answer
C
Q48: An object’s behavior and attributes that are visible in the context of its current use are determined by __________.
- A: Inheritance
- B: Encapsulation
- C: Abstraction
- D: Interface
View Answer
C
Q49: A class in OOP is often referred to as a __________ or blueprint for creating objects.
- A: Template
- B: Prototype
- C: Design
- D: Model
View Answer
B
Q50: The principle of __________ ensures that details not relevant to the current problem are hidden.
- A: Abstraction
- B: Encapsulation
- C: Inheritance
- D: Polymorphism
View Answer
A