Object Oriented Programming using C++ Questions and Answers – Hierarchical Inheritance

This set of Object Oriented Programming (OOPs) using C++ Multiple Choice Questions & Answers (MCQs) focuses on “Hierarchical Inheritance”.

1. 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
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2. 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
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3. 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
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4. 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
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5. Base class _______________
a) Can be made abstract
b) Can’t be made abstract
c) Must be abstract
d) If made abstract, compile time error
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6. 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
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7. Which class uses hierarchical inheritance in following code?

class A
{
	int a;
};
class B:class A
{
	int b;
};
class C:class A,class B
{
	int c;
};
class D:class A
{
	int d;
};

a) Class A, B, C
b) Class B, C, D
c) Class A, C, D
d) Class D, A, B
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8. Which among the following is correct for following code?

abstract class A
{
	public Int a;
	public void disp();
};
class B:public A
{
	public: void dis()
	{ 
		court<<a; 
	}
};
class C:private A
{
	public void incr()
	{ 
		a++; 
	}
}
void main()
{
	B b.disp();
}

a) Compile time error
b) Runtime error
c) Program runs and o/p is 0
d) Program runs and o/p is garbage value
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9. 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
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10. If one class have derived the base class privately then another class can’t derive the base class publically.
a) True
b) False
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11. Which among the following is true?
a) Hierarchical inheritance is subset of multiple inheritances
b) Hierarchical inheritance is strongest inheritance type
c) Hierarchical inheritance uses only 2 classes for implementation
d) Hierarchical inheritance allows inheritance of common features to more than one class
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12. Hierarchical inheritance can be a subset of _________________
a) Hybrid inheritance
b) Multiple inheritance
c) Single level inheritance
d) Multilevel inheritance
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13. 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
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14. 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
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15. 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
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Sanfoundry Global Education & Learning Series – Object Oriented Programming (OOPs).

To practice all areas of Object Oriented Programming (OOPs) using C++, here is complete set of 1000+ Multiple Choice Questions and Answers.

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