Question 51 : How many types of polymorphism are there in C++?
1. 1
2. 2
3. 3
4. 4
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Question 52 : Which of the following provides a programmer with the facility of using object of a class inside other classes?
1. Inheritance
2. Composition
3. Abstraction
4. Encapsulation
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Question 53 : Why references are different from pointers?
1. A reference cannot be made null
2. A reference cannot be changed once initialized
3. No extra operator is needed for dereferencing of a reference
4. All of the mentioned
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Question 54 : Which of the following cannot be a friend?
1. Function
2. Class
3. Object
4. Operator function
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Question 55 : What is the other name used for functions inside a class?
1. Member variables
2. Member functions
3. Class functions
4. Class variables
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Question 56 : Out of the following, which is not a member of the class?
1. Static function
2. Friend function
3. Constant function
4. Virtual function
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Question 57 : Which of the following is correct?
1. Base class pointer object cannot point to a derived class object
2. Derived class pointer object cannot point to a base class object
3. A derived class cannot have pointer objects
4. A base class cannot have pointer objects
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Question 58 : Which of the following is not a type of Constructor?
1. Friend constructor
2. Copy constructor
3. Default constructor
4. Parameterized constructor
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Question 59 : Which of the following class allows to declare only one object of it?
1. Abstract class
2. Virtual class
3. Singleton class
4. Friend class
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Question 60 : What does modularity mean?
1. Hiding part of program
2. Subdividing program into small independent parts
3. Overriding parts of program
4. Wrapping things into single unit
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