Angular JS MCQs with answers Page - 8

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.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 831.35K Points
Coach

Q. What does the 'async' pipe do when the observable emits a new value?

  • (A) It unsubscribes automatically
  • (B) It logs the value
  • (C) It updates the view automatically
  • (D) It refreshes the page

A

Admin • 831.35K Points
Coach

Q. How do you navigate to another route in Angular programmatically?

  • (A) location.href = '/route'
  • (B) this.route.go('/route')
  • (C) this.router.navigate(['/route'])
  • (D) window.location.replace('/route')

A

Admin • 831.35K Points
Coach

Q. What is a feature module in Angular?

  • (A) A module that handles authentication only
  • (B) A module created using CLI
  • (C) A module that focuses on a specific feature
  • (D) The root module of the app

A

Admin • 831.35K Points
Coach

Q. What is the key advantage of lazy loading in Angular?

  • (A) Reduces API load
  • (B) Improves security
  • (C) Reduces initial load time
  • (D) Improves build size

A

Admin • 831.35K Points
Coach

Q. How do you protect a route from unauthorized access?

  • (A) Use ngIf in the template
  • (B) Use ngStyle
  • (C) Use CanActivate guard
  • (D) Use ngSwitch

A

Admin • 831.35K Points
Coach

Q. What is the purpose of NgZone in Angular?

  • (A) To create zones for routing
  • (B) To manage service injection
  • (C) To run code outside Angular’s zone and improve performance
  • (D) To render templates faster

A

Admin • 831.35K Points
Coach

Q. Which Angular directive conditionally includes or removes an element in the DOM?

  • (A) *ngFor
  • (B) *ngSwitch
  • (C) *ngIf
  • (D) ngStyle

A

Admin • 831.35K Points
Coach

Q. What is the role of the RouterModule.forRoot() method?

  • (A) To create a new module
  • (B) To define routes at the root level
  • (C) To provide form support
  • (D) To register a service globally

A

Admin • 831.35K Points
Coach

Q. Which Angular concept makes the app reactive and supports stateful behaviors?

  • (A) Template Binding
  • (B) Zone.js
  • (C) RxJS Observables
  • (D) NgModel

A

Admin • 831.35K Points
Coach

Q. What is the purpose of the 'ng-template' element in Angular?

  • (A) To create standalone components
  • (B) To hold reusable HTML code
  • (C) To mark content for dynamic rendering
  • (D) To style child components

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.