This Quiz contains totally 10 Questions each carry 1 point for you.
1. Which of the class methods you can access, when inheriting from another class?
All of them
It depends on the class
None of them
Don’t know
Correct!
Wrong!
2. How do you inherit from another class?
Just pass the name of the other class in as a parameter when you name your new class
By calling it as a module on the first line of your new class
By naming it
Don’t know
Correct!
Wrong!
3. When instantiating your new class, which parameters from the old class do you need to pass?
It depends on the class
Only the ones you intend to use in your new class
Above two options
None of the above
Correct!
Wrong!
4. When a child class inherits from only one parent class, it is called?
Single inheritance
Singular inheritance
Multiple inheritance
Multilevel inheritance
Correct!
Wrong!
5. What will be the output of the following Python code?
class Test:
def __init__(self):
self.x = 0
class Derived_Test(Test):
def __init__(self):
self.y = 1
def main():
b = Derived_Test()
print(b.x,b.y)
main()
0 1
0 0
Error since class B inherits A but variable x isn’t inherited
Error since when object is created, argument must be passed like Derived_Test(1)
Correct!
Wrong!
6. Which of the following statements isn’t true?
Superclass non-private method can be overridden
A derived class is a subset of superclass
we can change the value of a private variable in the superclass in the subclass
The constructor of superclass is invoked automatically, when invoking the constructor from a subclass
Correct!
Wrong!
7. What will be output for the folllowing code?
class Test:
def __init__(self):
self.x = 0
class Derived_Test(Test):
def __init__(self):
Test.__init__(self)
self.y = 1
def main():
b = Derived_Test()
print(b.x,b.y)
main()
Error, the invoking method’s syntax is wrong
The program executes well but nothing is printed
0 1
1 2
Correct!
Wrong!
8. What is true about Inheritance in Python?
Inheritance is the ability of one class to inherit or derive the properties from another class.
It represents real-world relationships well.
It provides reusability of a code.
All of the above
Correct!
Wrong!
9. Which inheritance is a blend of more than one type of inheritance?
Single inheritance
Hybrid inheritance
Multiple inheritance
Multilevel inheritance
Correct!
Wrong!
10. Parent class is the class being inherited from, also called?
Derived class
Child class
Hybrid class
Base class
Correct!
Wrong!
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Python-Inheritance-quiz
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