Freshers (0–2 years)

React Hooks Interview Questions for Freshers

Preparing for your first React Hooks interviews? This set is curated for freshers and early-career developers (0–2 years): the 28 questions that come up most for entry-level roles, each with a clear answer, example code and follow-ups.

28Questions14Beginner14Intermediate

28 React Hooks questions

  1. 1What is the difference between controlled and uncontrolled components?Intermediate
  2. 2What is lazy initialization in useState?Intermediate
  3. 3What is useDebugValue?Intermediate
  4. 4What is useImperativeHandle?Intermediate
  5. 5What are stale closures in React hooks?Intermediate
  6. 6What is useLayoutEffect?Intermediate
  7. 7What is useReducer and how is it different from useState?Intermediate
  8. 8What is React.memo and how does it work with hooks?Intermediate
  9. 9What is useCallback and when should it be used?Intermediate
  10. 10What is useMemo and why is it used?Intermediate
  11. 11What is useState batching in React?Intermediate
  12. 12What is the difference between useState and useRef?Beginner
  13. 13What is controlled component using useState?Beginner
  14. 14What is cleanup function in useEffect?Beginner
  15. 15What is dependency array in useEffect?Beginner
  16. 16What is a custom hook in React?Beginner
  17. 17What are Rules of Hooks in React?Beginner
  18. 18What is useContext in React?Beginner
  19. 19What is useRef used for in React?Beginner
  20. 20What is useEffect and when should it be used?Beginner
  21. 21What is useState in React and how does it work?Beginner
  22. 22React Hooks Interview Question 2 (Free)Intermediate
  23. 23React Hooks Interview Question 5 (Free)Intermediate
  24. 24React Hooks Interview Question 4 (Free)Beginner
  25. 25React Hooks Interview Question 1 (Free)Beginner
  26. 26React Hooks Advanced Interview Question 10Beginner
  27. 27React Hooks Advanced Interview Question 8Intermediate
  28. 28React Hooks Advanced Interview Question 7Beginner

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Frequently asked questions

Which React Hooks questions do freshers (0–2 years) get asked?

This page collects 28 React Hooks interview questions aligned with freshers (0–2 years), ranging across the difficulty levels that match that experience band.

How do I prepare for a React Hooks interview with my experience level?

Work through these questions in order, make sure you can explain each answer out loud, and pay attention to the real-world examples and follow-ups — interviewers at this level care as much about reasoning as the final answer.

Do the answers include code and examples?

Yes — answers include explanations, code examples where relevant, common mistakes to avoid and follow-up questions so you are ready for the full interview conversation.