The function is responsible for returning the widgets that are attached to 
the screen as a root of the widget tree and will be rendered on the screen. 

• Container 
   

• runApp() 
   

• main() 
  
   

• SizedBox 
   

When you build the Flutter app the first time, it will take a longer time. 

•  True 
   

• False 

A Stateful widget is a dynamic widget that can modify the appearance of its 
content in response to the events invoked by the user’s interactions or when it 
retrieves the data? 

• False

• True

Which of the following tests a single widget? 

• Unit Tests 
   

• Widget Tests 
   

• Interactive Tests 
   

• Integration Tests 

What are the subclasses of Key? 

• GlobalKey 
   

• LocalKey 
   

• GlobalKey and LocalKey 
   

• None of the above 

Without the main() function, we cannot write any program on Flutter. 

• True 
   

• False 

The subclasses of Key must be a ___________. 

•  GlobalKey only 
   

• LocalKey only 
   

• GlobalKey or LocalKey 
   

• None of the above 

Which of the following are the advantages of Flutter? 

•  Cross-platform Development 
   

•  Faster Development 
   

•  Minimal code 
   

• All of the above 

What are the advantages of Flutter? 

• Cross-platform Development 
   

• Faster Development 
   

•  UI Focused 
   

•  All of the above 

Flutter is mainly optimized for _________ that can run on both Android 
and iOS platforms. 

• 2D mobile apps 
   

• Desktop only 
   

• Tablet only 
   

• None of the above 

It is very necessary to learn Dart language for building Flutter application? 

•  Yes 
   

•  No 
   

• Can be yes or no 
   

• Can not say 

The Flutter tooling supports _ modes while compiling the application 

• 1

• 2

• 3

• 4

Which of the below terms is this definition for? 
This widget enables us to have a specific height or width between the widgets. 

• AppBar 
   

•  SizedBox 
   

• . SafeArea 
   

•  onChanged 

In Flutter, which of the following is used as identifiers for widgets, 
elements, and semantic nodes? 

•  Buttons 
   

• Keys 
   

•  Widgets 
   

•  Streams 

Flutter is mainly optimized for _ that can run on both Android and iOS 
platforms. 

•  Desktop only 
   

•  Tablet only 
   

•  2D Mobile Apps 
   

• None of the above 

What is Dart? 

• Dart is an object-oriented programming language. 
   

• Dart is used to create frontend user interfaces. 
   

• Both A and B 
   

•  None of the above 

Flutter is mainly optimized for 2D mobile apps that can run on?

• Android 
   

• iOS 
   

•  Both A and B 
   

• None of the above 

pubspec.yaml file does not contain? 

• Project general settings 
   

• Project dependencies 
   

•  Project language 
   

• Project assets

What are the best editors for Flutter development? 

• Android Studio 
   

• IntelliJ IDEA 
   

• Visual Studio 
   

• All of the above 

Are stateless widgets mutable or immutable? 

• Mutable 
   

•  Immutable 

SnackBar Widget is utilized if we have to allow our application to pop up 
the message ..………………….. at the bottom of our app interface.

• For a few seconds 
   

• Forever 
   

•  Until the application user knocks the close button of the message. 
   

• Until the application user knocks the “OK” button of the message. 

When you build the Flutter app the first time, it will take a longer time. 

• True

• False

Is Flutter a programming language? 

• False

• True

We use the below code for adding the floating action button to the Flutter 
app interface. Which of the following functions or methods can we use for 
adding the action to this button if the app utilizers knocks the butt