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ReactJS Quiz Set - 6
Question 1
Which of the following is a basic hook in react?
- A
useReducer()
- B
useMemo()
- C
useCallback()
- D
useContext()
Question 2
React is a ___
- A
Frontend Framework
- B
Backend Framework
- C
JavaScript Library
- D
JavaScript Module
Question 3
JSX allows us to write____
- A
BootStrap in React
- B
Jquery in React
- C
HTML in React
- D
MongoDB in React
Question 4
Which of the following statement must be written in a class component heading
- A
extends React.Component
- B
extends React
- C
extends ReactDOM
- D
extends ReactRouer
Question 5
Which of the following is the current definition of components?
- A
Components are the HTML elements.
- B
Components are the set of variables defined in ReactJS.
- C
Components are independent and reusable code that return HTML elements
- D
None of the above
Question 6
How many types of components are there in react?
- A
1
- B
2
- C
3
- D
4
Question 7
Which of the following is the correct definition of state?
- A
It is a temporary storage of elements
- B
It is the internal storage of components
- C
It is used to know about the current state of the element
- D
It is the permanent storage of elements
Question 8
What is the correct syntax for arrow function?
- A
()
- B
=>
- C
()=>
- D
>=()
Question 9
What is the correct definition of prop drilling?
- A
Concept of passing data as props through intermediate components until data is reached where it is required.
- B
Concept of passing data between sibling components
- C
Concept of passing data to required destination as states until data is reached where it is required
- D
Concept of passing data inside the component itself
Question 10
Which technique is used in React Memo?
- A
Hashing
- B
Memoization
- C
Sorting
- D
Pipelining
There are 15 questions to complete.
