React createContext and Provider MCQ Context Provider Practice Questions

Direction: Choose the correct option

What does createContext return?

A. A hook

B. An object with Provider and Consumer

C. A Provider component

D. A context object

Direction: Choose the correct option

How do you set a default value for a context?

A. Set it on the Provider

B. It's not possible

C. Pass it as argument to createContext(defaultValue)

D. Use defaultValue prop

Direction: Choose the correct option

What type of value can a Provider pass?

A. Only primitive values

B. Any JavaScript value (object, array, function, etc.)

C. Only strings and numbers

D. Only plain objects

Direction: Choose the correct option

If you have nested Providers with the same context, which value will be used?

A. The root Provider's value

B. The nearest Provider's value

C. The default value

D. An error

Direction: Choose the correct option

How often does a context Provider re-render its consumers?

A. Only when the Provider's parent re-renders

B. Never

C. Whenever any parent re-renders

D. Whenever its value prop changes

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