React Introduction MCQ React Basics Practice Questions

Direction: Choose the correct option

Which of the following best describes React?

A. A database management system

B. A CSS preprocessor

C. A JavaScript library for building user interfaces

D. A full-stack framework

Direction: Choose the correct option

React was originally created by?

A. Twitter

B. Microsoft

C. Facebook

D. Google

Direction: Choose the correct option

What is the key feature that helps React update the UI efficiently?

A. Dependency Injection

B. Templates

C. Virtual DOM

D. Two-way data binding

Direction: Choose the correct option

In React, data flows in which direction?

A. Multidirectional

B. Unidirectional

C. Bidirectional

D. Circular

Direction: Choose the correct option

Which of the following is NOT a core concept of React?

A. State

B. Components

C. JSX

D. MVC pattern

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