React Functional Components MCQ Functional Components Practice Questions

Direction: Choose the correct option

What is a functional component in React?

A. A component defined as a JavaScript function that returns JSX

B. A component that must have state

C. A component that uses only class syntax

D. A component that cannot accept props

Direction: Choose the correct option

Before hooks, what was a limitation of functional components?

A. They could not return JSX

B. They required a render() method

C. They could not use state or lifecycle features

D. They were slower than class components

Direction: Choose the correct option

Which hook allows functional components to manage state?

A. useReducer

B. useEffect

C. useState

D. useContext

Direction: Choose the correct option

How do you pass props to a functional component?

A. Via the 'props' property

B. Via the function's first argument

C. Via global variables

D. Via the 'this.props' object

Direction: Choose the correct option

What will the following functional component render?

function Greet() { return Hello
; }

A. undefined

B. Hello

C. Nothing, missing export

D. <h1>Hello</h1>

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