Hard Angularjs Test - 77+ MCQs: AngularJS test: Evaluate Your Knowledge with AngularJS Questions and Answers

1. Explain the role of ng-aria in AngularJS applications.

To create a new instance of a controller

To conditionally disable form elements

To enhance accessibility by adding ARIA attributes

To create animations within AngularJS templates

2. How can you implement custom directives in AngularJS?

By using external JavaScript libraries only

AngularJS does not support custom directives

By relying on built-in directives only

By using the directive() function and defining a link function

3. What is the purpose of $q service in AngularJS?

To manage routing within an AngularJS application

To handle HTTP requests

To define a new service

To work with promises and deferred objects

4. What is AngularJS?

A programming language

A front-end framework

A database management system

An operating system

5. What is the purpose of $watch in AngularJS?

To manage routing within an AngularJS application

To create a new instance of a controller

To observe changes in variables and trigger a callback

To handle form validation

6. How does AngularJS handle memory management?

Automatically through garbage collection

By using $destroy to release resources

AngularJS does not manage memory

By relying on the browser's memory management

7. What is the purpose of ng-href directive in AngularJS?

To create a new instance of a controller

To conditionally disable form elements

To define a reusable AngularJS component

To dynamically set the href attribute

8. What is the purpose of ng-cloak directive in AngularJS?

To create a new controller

To conditionally disable form elements

To prevent the display of uncompiled AngularJS templates

To create animations within AngularJS templates

9. What is the purpose of ng-form directive in AngularJS?

To create a new instance of a controller

To conditionally disable form elements

To define a reusable AngularJS component

To create a container for form controls and validation

10. What is the purpose of ng-options directive in AngularJS?

To define options for ng-model

To create a new controller

To manage routing within an AngularJS application

To conditionally show or hide an element

11. Explain the concept of AngularJS filters.

Functions that transform the output of expressions

AngularJS does not support filters

Pre-built HTML elements

Static HTML templates

12. How do you handle form validation in AngularJS?

By using custom JavaScript functions

AngularJS does not support form validation

By relying on browser default validation

By using the ng-form directive and built-in validators

13. What is the purpose of ng-bind-html in AngularJS?

To bind a model to a view

To create a clickable element

To bind HTML content to a variable

To conditionally show or hide an element

14. How do you handle dependency injection in AngularJS?

By using external dependency injection frameworks

AngularJS does not support dependency injection

By manually injecting dependencies into controllers

By relying on the built-in $injector service

15. What is two-way data binding in AngularJS?

Binding data from the model to the view

Binding data from the view to the model

Synchronization of data between model and view

One-time data synchronization

16. What is the purpose of ng-controller directive in AngularJS?

To create a new controller

To define a new service

To manage routing within an AngularJS application

To create a clickable element

17. Explain the concept of dependency injection in AngularJS.

Injecting dependencies into AngularJS templates

Managing external dependencies within AngularJS components

Injecting code snippets into controllers

AngularJS does not support dependency injection

18. What is the purpose of ng-animate in AngularJS?

To create animations within AngularJS templates

To define a new service

To handle HTTP requests

AngularJS does not have ng-animate

19. How do you handle errors in AngularJS applications?

Using try-catch blocks

AngularJS does not have error handling mechanisms

By using the $exceptionHandler service

By relying on browser console errors

20. What is the purpose of ng-transclude directive in AngularJS?

To create a new controller

To conditionally show or hide an element

To repeat a block of HTML code

To include external content in a directive

AngularJS MCQ Test 4