2nd puc computer science chapter 10 mcq

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1. Capability of one class acquiring properties from another class is called___

A) Polymorphism
B) Abstraction
C) Overloading
D) Inheritance

ANSWER= D) Inheritance

 

2. Base class is called

A) Sub class
B) Super class
C) Inerited class
D) Built-in class

ANSWER= B) Super class

 

3. Derived class is called _______

A) Sub class
B) Super class
C) Main class
D) First class

ANSWER= A) Sub class

 

4. A class whose properties are inherited to another class is

A) Sub class
B) Base class
C) Inherited class
D) Derived class

ANSWER= B) Base class

 

5. A class which derives properties from another class

A) Main class
B) Base class
C) Super class
D) Derived class

ANSWER= D) Derived class

 

6. Advantages of inheritance is

A) Reusing existing code
B) Easy to extend
C) Memory utilization
D) All of these

ANSWER= D) All of these

 

7. Symbol used while defining derived class

A) ::
B) ;
C) .
D) :

ANSWER= D) :

 

8. Visibility mode defines

A) Type of derivation
B) Type of data types
C) Type of function
D) None of the above

ANSWER= A) Type of derivation

 

9. If no visibility mode is specified, then by default the visibility mode is _____

A) public
B) protected
C) private
D) None of these

ANSWER= C) private

 

10. In private inheritance public members of base class becomes ______ members of derived class.

A) public
B) protected
C) private
D) All of these

ANSWER= C) private

 

11. Which of the following is most used visibility mode in inheritance?

A) public
B) protected
C) private
D) None of these

ANSWER= A) public

 

12. Which of the following is most used inheritance?

A) public
B) protected
C) private
D) All of these

ANSWER= D) All of these