React Basics Quiz

What is the primary purpose of Material-UI in a React application?

• State management

• Styling and UI components

• Backend development

• Database handling

Which component is used in Material-UI for displaying buttons?

• <Button />
  

• <MuiButton />
  

• <InputButton />
  

• <ActionButton />

Which package is used for routing in a React application?

• react-router-dom

• react-navigation

• react-route-manager

• react-router-core

Which hook is commonly used to manage state in a functional component in React?

• useContext

• useEffect

• useReducer

• useState

Which component in Material-UI is used for displaying text fields?

• <FormField />
  

• <FieldInput />

• <InputField />
  

• <TextField />
  

Which component is used to define a route in React Router?

• <Navigate />

• <Path />

• <Route />

• <Switch />

What does the useState hook return?

• Only the state variable

• Only the state updater function

• An array with a state variable and a function to update it

• A Promise resolving to a state variable

What is JSX in React?

• A new programming language

• A syntax extension of JavaScript

• A built-in library of React

• A database query language

What are "props" in React?

• A way to store local component data

• A function that returns JSX

• A mechanism for passing data from a parent to a child component

• A built-in React event handler

Why are "keys" used in React lists?

• To uniquely identify elements for efficient rendering

• To sort list items alphabetically

• To fetch data from APIs

• To apply CSS styles dynamically