Angular MCQs with answers Page - 6

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 the `async` pipe in Angular templates?

  • (A) To make functions async
  • (B) To log async events
  • (C) To automatically subscribe and render async data
  • (D) To delay template loading
💬 Discuss
✅ Correct Answer: (C) To automatically subscribe and render async data
Explanation: The async pipe subscribes to Observables and updates the template.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

Q. Which Angular tool is used to analyze and optimize bundle size?

  • (A) ng analyze
  • (B) ng audit
  • (C) ng build --stats-json
  • (D) ng watch
💬 Discuss
✅ Correct Answer: (C) ng build --stats-json
Explanation: `ng build --stats-json` generates stats for bundle analysis.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

Q. What is the benefit of Angular's Ivy engine?

  • (A) Slower build time
  • (B) Larger bundle size
  • (C) Improved build performance and smaller bundles
  • (D) Increased complexity
💬 Discuss
✅ Correct Answer: (C) Improved build performance and smaller bundles
Explanation: Ivy improves performance, reduces bundle size, and supports better debugging.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

Q. Which lifecycle hook is triggered after Angular projects external content into a component?

  • (A) ngOnInit
  • (B) ngAfterContentInit
  • (C) ngAfterViewInit
  • (D) ngDoCheck
💬 Discuss
✅ Correct Answer: (B) ngAfterContentInit
Explanation: ngAfterContentInit is called after content projection is done.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

Q. How does Angular support internationalization (i18n)?

  • (A) Through ngTranslate
  • (B) By using i18n attribute and localization files
  • (C) Via pipe functions only
  • (D) Using ngLocale
💬 Discuss
✅ Correct Answer: (B) By using i18n attribute and localization files
Explanation: Angular provides i18n tools and attributes for localization support.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

Q. Which command creates a new Angular workspace?

  • (A) ng generate workspace
  • (B) ng new
  • (C) ng build workspace
  • (D) ng create project
💬 Discuss
✅ Correct Answer: (B) ng new
Explanation: Use `ng new` to create a new Angular project/workspace.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

Q. What is a directive in Angular?

  • (A) A class that adds behavior to elements
  • (B) A service
  • (C) A module
  • (D) An interceptor
💬 Discuss
✅ Correct Answer: (A) A class that adds behavior to elements
Explanation: Directives allow behavior to be added to DOM elements.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

Q. Which part of Angular handles reactive forms?

  • (A) FormsModule
  • (B) ReactiveFormsModule
  • (C) TemplateModule
  • (D) FormGroupModule
💬 Discuss
✅ Correct Answer: (B) ReactiveFormsModule
Explanation: ReactiveFormsModule is used for reactive form development.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

Q. What is the use of `RouterOutlet`?

  • (A) To display reactive forms
  • (B) To declare an Angular module
  • (C) To act as a placeholder for routed components
  • (D) To create child routes
💬 Discuss
✅ Correct Answer: (C) To act as a placeholder for routed components
Explanation: RouterOutlet is where routed components are displayed.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

Q. What is an interceptor in Angular?

  • (A) A directive for routing
  • (B) A component used to delay loading
  • (C) A service that handles HTTP request/response globally
  • (D) A tool for unit testing
💬 Discuss
✅ Correct Answer: (C) A service that handles HTTP request/response globally
Explanation: Interceptors modify HTTP requests and responses globally.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:44 am in Angular

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