React useContext Hook MCQ useContext Practice Questions

Direction: Choose the correct option

What is the useContext hook used for?

A. To create a context

B. To consume context values in functional components

C. To provide context

D. To update context

Direction: Choose the correct option

What does useContext return?

A. The current context value

B. The context provider

C. An object with value and setter

D. A setter function

Direction: Choose the correct option

How do you use useContext with a context created by createContext?

A. const value = useContext();

B. const { value } = useContext(MyContext);

C. const value = useContext(MyContext);

D. const value = useContext(MyContext.Provider);

Direction: Choose the correct option

When the context value changes, what happens to components using useContext?

A. They re-render with the new value

B. Only the provider updates

C. They do not re-render

D. They unmount

Direction: Choose the correct option

Can you use multiple contexts with useContext?

A. Yes, by calling useContext multiple times

B. No, it's not allowed

C. Yes, but only with the same context

D. No, only one per component

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