1. All classes have a function called?
A. __init__
B. __init__()
C. init
D. init()
Ans : __init__()
2. What is Instantiation in terms of OOP terminology?
A. Deleting an instance of class
B. Modifying an instance of class
C. Copying an instance of class
D. Creating an instance of class
Ans : Creating an instance of class
3. _____ is used to create an object.
A. class
B. constructor
C. User-defined functions
D. In-built functions
Ans : constructor
4. What is setattr() used for?
A. To access the attribute of the object
B. To set an attribute
C. To check if an attribute exists or not
D. To delete an attribute
Ans : To set an attribute
5. To create a class, use the keyword?
A. new
B. except
C. class
D. object
Ans : Class
6. You can delete properties on objects by using the ______ keyword.
A. delete
B. dedl
C. del
D. drop
Ans : del
7. A variable that is defined inside a method and belongs only to the current instance of a class is known as?
A. Inheritance
B. Instance variable
C. Function overloading
D. Instantiation
Ans : Instance variable
8. _____ represents an entity in the real world with its identity and behaviour.
A. A method
B. An object
C. A class
D. An operator
Ans : An object
9. What is getattr() used for?
A. To access the attribute of the object
B. To delete an attribute
C. To check if an attribute exists or not
D. To set an attribute
Ans : To access the attribute of the object
10. The assignment of more than one function to a particular operator is _______
A. Operator over-assignment
B. Operator overriding
C. Operator overloading
D. Operator instance
Ans : Operator overloading
11. What are the methods which begin and end with two underscore characters called?
A. Special methods
B. In-built methods
C. User-defined methods
D. Additional methods
Ans : Special methods
12. What is hasattr(obj,name) used for?
A. To access the attribute of the object
B. To delete an attribute
C. To check if an attribute exists or not
D. To set an attribute
Ans : To check if an attribute exists or not
13. What does print(Test.__name__) display (assuming Test is the name of the class)?
A. ()
B. Exception is thrown
C. Test
D. __main__
Ans : Test
14. __del__ method is used to destroy instances of a class.
A. True
B. False
Ans : True
15. Special methods need to be explicitly called during object creation.
A. True
B. False
Ans : False
16. Which of the following is not a class method?
A. Non-static
B. Static
C. Bounded
D. Unbounded
Ans : Non-static
17. The class has a documentation string, which can be accessed via?
A. ClassName
B. ClassName __doc__
C. __doc__
D. ClassName.__doc__
Ans : ClassName.__doc__
18. Which of the following statements is wrong about inheritance?
A. Protected members of a class can be inherited
B. The inheriting class is called a subclass
C. Private members of a class can be inherited and accessed
D. Inheritance is one of the features of OOP
Ans : Private members of a class can be inherited and accessed
19. What will be the output of the following Python code?
class test:
def __init__(self,a):
self.a=a
def display(self):
print(self.a)
obj=test()
obj.display()
A. Runs normally, doesn’t display anything
B. Displays 0, which is the automatic default value
C. Error as one argument is required while creating the object
D. Error as display function requires additional argument
Ans : Error as one argument is required while creating the object
20. What will be the output of the following Python code?
class Demo:
def __init__(self):
pass
def test(self):
print(__name__)
obj = Demo()
obj.test()
A. Exception is thrown
B. __main__
C. Demo
D. test
Ans : __main__
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