11. A dangling pointer is one

A. which arises when you use the address of an object after its lifetime is over 

B. which may occur in situations like returning addresses of the automatic variables from a function or using the address of the memory block after it is freed 

C. Option 1 and Option 2 

D. None of the above 

12. If a class is having two or more members of types of another classes, the relationship is called as ____________

A. has – a relationship 

B. is – a relationship 

C. kind of relationship 

D. part-of relationship 

13. What is the meaning of the statement. const Hello *p;

A. p is a pointer to an object of class Hello that can modify the contents of object 

B. p is a pointer to an object of class Hello that can access const member functions of object 

C. p is a pointer to an object of class Hello that can access static member functions of object 

D. p is a pointer to an object of class Hello that can access any member of object 

14. Inheritance in OOPs represents _________

A. a view from big to small 

B. a view from generic to specific 

C. A and B 

D. none of the above 

15. After successful memory allocation, new returns __________

A. NULL 

B. Zero 

C. void 

D. None of these 

16. When a derived class fails to override a virtual function, then

A. The first redefinition found in reverse order of derivation is used 

B. If the object of the derived class accesses that function, the function defined by the base class is used 

C. Both, 1 and 2 are true 

D. Both, 1 and 2 are false 

17. Virtual functions ____

A. Must be friend of the base class 

B. Must be static member of the base class which must be defined 

C. Must be non-static member of the base class which must be defined 

D. Must be static member of the base class which need not be defined 

18. What is true about virtual functions?

A. Can be called from constructors but not from destructors 

B. Can be called from destructors but not from constructors 

C. Cannot be called from either constructors or from destructors 

D. Can be called from both constructors and destructors 

19. What is true in case of virtual function?

A. A virtual function in base class must be defined, even though it may not be used 

B. Static member functions can be made virtual 

C. We cannot have virtual destructors 

D. A virtual function cannot be a friend of another class 

20. A derived class inherits every member of a base class except

A. its constructors and destructors 

B. its operator = () members 

C. its friends 

D. all of the above 

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