Angular JS MCQs with answers Page - 16

Here, you will find a collection of MCQ questions on Angular JS. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. What is the purpose of the i18n attribute in Angular templates?

  • (A) For accessibility
  • (B) For animation
  • (C) For translation tagging
  • (D) For testing

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Q. Which Angular CLI command is used to extract i18n messages?

  • (A) ng extract-i18n
  • (B) ng i18n extract
  • (C) ng get-translations
  • (D) ng build --i18n

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Q. Which method is used to provide global dependencies in Angular?

  • (A) imports: []
  • (B) providers: [] in NgModule
  • (C) declarations: []
  • (D) bootstrap: []

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Q. How are animations triggered in Angular components?

  • (A) By binding to (click)
  • (B) By using [@triggerName]
  • (C) By using {{ animation }}
  • (D) By using @animate

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Q. Which Angular decorator is used to inject services in a constructor?

  • (A) @Injectable
  • (B) @Inject
  • (C) @Service
  • (D) @Provider

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Q. Which lifecycle hook is used to initiate animations in Angular?

  • (A) ngOnInit
  • (B) ngAfterViewInit
  • (C) ngDoCheck
  • (D) ngOnDestroy

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Q. Which RxJS operator delays values by a specified time?

  • (A) throttleTime
  • (B) debounceTime
  • (C) delay
  • (D) interval

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Q. Which Angular construct helps split large applications into smaller modules?

  • (A) Components
  • (B) Services
  • (C) Feature Modules
  • (D) Directives

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Q. Which RxJS operator prevents duplicate emissions?

  • (A) distinctUntilChanged
  • (B) debounceTime
  • (C) tap
  • (D) filter

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Q. Which Angular CLI command creates a new component?

  • (A) ng new component
  • (B) ng generate component
  • (C) ng create component
  • (D) ng make component

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