React Forms MCQ Forms Practice Questions

Direction: Choose the correct option

In React, how are form elements typically handled?

A. Using uncontrolled components with refs

B. Using both

C. Using controlled components where state manages the value

D. Only with native DOM

Direction: Choose the correct option

What is a controlled component?

A. A component that cannot be changed

B. A component that controls its parent

C. A component with a controller

D. An input element whose value is controlled by React state

Direction: Choose the correct option

How do you handle multiple input elements in a form?

A. Use global variables

B. Use refs

C. Use a single state object and handle changes with a generic change handler using name attribute

D. Use a separate state for each

Direction: Choose the correct option

What is the purpose of the onSubmit event on a form?

A. To submit data

B. To handle form submission and prevent default behavior

C. To reset the form

D. To validate inputs

Direction: Choose the correct option

In a controlled component, what happens when the user types in an input?

A. The input is locked

B. Nothing

C. The onChange handler updates state, and the input re-renders with new value

D. The DOM updates directly

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