2nd puc computer science chapter 9 mcq

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1. Constructor does not take any arguments is a _____________.

A) Zero arguments constructor
B) Parametrized constructor
C) Copy constructor
D) Destructor

ANSWER= A) Zero arguments constructor

 

2. Constructor that takes one or more arguments is called _________.

A) Zero arguments constructor
B) Parameterized constructor
C) Copy constructor
D) Destructor

ANSWER= B) Parameterized constructor

 

3. ______constructor can be invoked by explicit or implicit call.

A) Zero arguments constructor
B) Parametrized constructor
C) Copy constructor
D) Destructor

ANSWER= B) Parametrized constructor

 

4. _____are being member functions that destroy an object automatically.

A) Zero arguments constructor
B) Parametrized constructor
C) Copy constructor
D) Destructor

ANSWER= D) Destructor

 

5. Destructor is preceded by a ______symbol.

A) $
B) #
C) ~
D) @

ANSWER= C) ~

 

6. _________is the class whose properties are inherited to another class.

A) Base class
B) Derived class
C) Both a & b
D) None of these

ANSWER= A) Base class

 

7. _________is the class that inherits properties from base class (es).

A) Base class
B) Derived class
C) Both a & b
D) None of these

ANSWER= B) Derived class

 

8. _____is a default visibility mode in inheritance.

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

ANSWER= C) private

 

9. A derived class with only one base class is known as____________ .

A) Single inheritance
B) Multilevel inheritance
C) Hierarchical Inheritance
D) Hybrid inheritance

ANSWER= A) Single inheritance

 

10. The class can also be derived from the classes that are already derived is called____.

A) Single inheritance
B) Multilevel inheritance
C) Hierarchical inheritance
D) Hybrid inheritance

ANSWER= B) Multilevel inheritance

 

11. Name the keyword used to define the inline function.

A) friend
B) inline
C) object
D) while

ANSWER= B) inline

 

12. Friend function is a ___________function.

A) Member
B) Non-member
C) inline
D) None of these

ANSWER= B) Non-member

 

13. There are __________types of constructor.

A) 2
B) 4
C) 5
D) 3

ANSWER= D) 3

 

14. A___________is a special member function that is used in classes to initialize the objects of a class automatically.

A) Constructor
B) Non-member
C) inline
D) friend

ANSWER= A) Constructor

 

15. ________ are member functions that destroy an object automatically.

A) Constructor
B) Destructor
C) inline
D) friend

ANSWER= B) Destructor

 

16. A constructor that does not take any arguments is a______________.

A) Constructor
B) Destructor
C) Default constructor
D) Copy constructor

ANSWER= C) Default constructor

 

17. A constructor that takes one or more arguments is a called___________.

A) Default constructor
B) Copy constructor
C) Parameterized constructor
D) None of these

ANSWER= C) Parameterized constructor

 

18. Parameterized constructor can be invoked by ____________.

A) Explicit
B) Implicit
C) Both a & b
D) Only a

ANSWER= C) Both a & b

 

19. constructor should have either ________ access

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

ANSWER= A) public