Angular MCQs with answers Page - 11

Dear candidates you will find MCQ questions of Angular here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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Q. What is the purpose of NgRx in Angular applications?

  • (A) Routing
  • (B) Animation handling
  • (C) State management
  • (D) HTTP communication
💬 Discuss
✅ Correct Answer: (C) State management
Explanation: NgRx is a library for managing state in Angular using Redux-like patterns.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

Q. Which NgRx feature is used to dispatch actions?

  • (A) Store
  • (B) Effect
  • (C) Reducer
  • (D) Selector
💬 Discuss
✅ Correct Answer: (A) Store
Explanation: The Store is used to dispatch actions and select state.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

Q. What is the main role of NgRx effects?

  • (A) To handle animations
  • (B) To reduce data
  • (C) To handle side effects like API calls
  • (D) To route users to components
💬 Discuss
✅ Correct Answer: (C) To handle side effects like API calls
Explanation: Effects listen for dispatched actions and handle side effects like API calls.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

Q. What is a selector in NgRx?

  • (A) A router directive
  • (B) A function to fetch a part of the state
  • (C) An Angular component
  • (D) A variable for storing IDs
💬 Discuss
✅ Correct Answer: (B) A function to fetch a part of the state
Explanation: Selectors are used to query specific pieces of the NgRx store state.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

Q. Which decorator is used to define input properties in Angular?

  • (A) @ViewChild
  • (B) @Input
  • (C) @Output
  • (D) @Injectable
💬 Discuss
✅ Correct Answer: (B) @Input
Explanation: @Input is used to pass data from parent to child components.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

Q. How do you emit an event from a child to parent component?

  • (A) Using @Input
  • (B) Using @ViewChild
  • (C) Using @Output and EventEmitter
  • (D) Using @Injectable service
💬 Discuss
✅ Correct Answer: (C) Using @Output and EventEmitter
Explanation: @Output along with EventEmitter allows child components to emit events to parent components.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

Q. Which HTTP method is used in Angular to fetch data from a server?

  • (A) post()
  • (B) put()
  • (C) get()
  • (D) delete()
💬 Discuss
✅ Correct Answer: (C) get()
Explanation: The `get()` method of HttpClient is used to fetch data from an API.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

Q. What is Angular Universal?

  • (A) Mobile app framework
  • (B) CLI tool
  • (C) Server-side rendering platform
  • (D) Package manager
💬 Discuss
✅ Correct Answer: (C) Server-side rendering platform
Explanation: Angular Universal enables server-side rendering for Angular applications.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

Q. Which mechanism helps secure Angular applications against XSS?

  • (A) DomSanitizer
  • (B) HttpInterceptor
  • (C) NgModules
  • (D) Lazy loading
💬 Discuss
✅ Correct Answer: (A) DomSanitizer
Explanation: DomSanitizer ensures unsafe values are sanitized before rendering in the DOM.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

Q. What is the purpose of HttpInterceptor in Angular?

  • (A) Add interceptors for routing
  • (B) Handle change detection
  • (C) Modify HTTP requests and responses
  • (D) Create new observables
💬 Discuss
✅ Correct Answer: (C) Modify HTTP requests and responses
Explanation: HttpInterceptors allow interception and transformation of HTTP requests/responses globally.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:47 am in Angular

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