Angular MCQs with answers Page - 3

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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📊 Angular
Q. Which pipe is used to format currency values in Angular?
  • (A) number
  • (B) currency
  • (C) money
  • (D) cash
💬 Discuss
✅ Correct Answer: (B) currency

Explanation: The currency pipe is used to format numbers as currency values.

📊 Angular
Q. What is the role of HttpClient in Angular?
  • (A) To create components
  • (B) To route between pages
  • (C) To make HTTP requests
  • (D) To handle reactive forms
💬 Discuss
✅ Correct Answer: (C) To make HTTP requests

Explanation: HttpClient is used to make HTTP requests to servers.

📊 Angular
Q. Which directive is used to repeat a portion of HTML?
  • (A) *ngIf
  • (B) *ngSwitch
  • (C) *ngFor
  • (D) *ngRepeat
💬 Discuss
✅ Correct Answer: (C) *ngFor

Explanation: *ngFor is used to loop through arrays and repeat elements.

📊 Angular
Q. Which function is used to unsubscribe from an observable manually?
  • (A) close()
  • (B) unsubscribe()
  • (C) stop()
  • (D) detach()
💬 Discuss
✅ Correct Answer: (B) unsubscribe()

Explanation: unsubscribe() is used to stop listening to an Observable.

📊 Angular
Q. What is the use of @Injectable decorator in Angular?
  • (A) To define a pipe
  • (B) To define a component
  • (C) To define a service for dependency injection
  • (D) To define a module
💬 Discuss
✅ Correct Answer: (C) To define a service for dependency injection

Explanation: @Injectable marks a class as available for dependency injection.

📊 Angular
Q. Which lifecycle hook is called before Angular destroys the component?
  • (A) ngOnDestroy
  • (B) ngAfterViewInit
  • (C) ngDoCheck
  • (D) ngAfterContentInit
💬 Discuss
✅ Correct Answer: (A) ngOnDestroy

Explanation: ngOnDestroy is called just before Angular destroys the component.

📊 Angular
Q. Which interface is implemented to use ngOnInit?
  • (A) OnChanges
  • (B) OnDestroy
  • (C) OnInit
  • (D) DoCheck
💬 Discuss
✅ Correct Answer: (C) OnInit

Explanation: To use ngOnInit, a component implements the OnInit interface.

📊 Angular
Q. Which Angular concept allows sharing data between unrelated components?
  • (A) Child components
  • (B) Parent components
  • (C) Services
  • (D) Pipes
💬 Discuss
✅ Correct Answer: (C) Services

Explanation: Services can be used to share data between unrelated components.

📊 Angular
Q. What does 'ng' stand for in Angular CLI commands?
  • (A) Next Generation
  • (B) Angular
  • (C) Node Generator
  • (D) New Generator
💬 Discuss
✅ Correct Answer: (B) Angular

Explanation: 'ng' stands for Angular in CLI commands.

📊 Angular
Q. Which of the following is NOT a valid Angular directive?
  • (A) *ngIf
  • (B) *ngFor
  • (C) *ngSwitch
  • (D) *ngRepeat
💬 Discuss
✅ Correct Answer: (D) *ngRepeat

Explanation: *ngRepeat is from AngularJS, not Angular (2+).

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