Inheritance in java

1) On which concept INHERITANCE works ?

Object oriented programming
Top-down approach
Bottom Up approach
none of the above

2) Why we use Inheritance in java ?

Endless loop
Recursion
Code reusability
Overriding

3) How many types if Inheritance are there ?

Two
Eight
Four
Five

4) The class whose features are inherited is known as .......

Sub-class
Super-class
Abstract class
none of the above.

5) The class that inherits the other class is known as ......

Sub-class
Super-class
static class
Abstract class

6) Super-class is also known as ........

Abstract class
Final class
Base class or Parent class
none of the above

7) Sub-class is also known as .........

Parent class or Base class
derived class, extended class, or child class
Final class
Abstract class

8) a subclass can have ........ superclass(es).

Four
Infinite
Two
One

Number of score out of 8 = Score in percentage =