Flutter MCQ Questions & Answers - Mobile Development

Flutter MCQs : This section focuses on "Flutter" in Mobile Development. These Multiple Choice Questions (MCQ) should be practiced to improve the Flutter skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. Which of the following is true regarding Flutter?

A. Flutter is a UI toolkit for creating fast, beautiful, natively compiled mobile applications 
B. Flutter use one programming language and a single codebase
C. Flutter is free and open-source.
D. All of the above

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2. Flutter developed by?

A. Oracle
B. Facebook
C. Google
D. IBM

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3. Flutter is not a language; it is an SDK.¬†

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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4. The first alpha version of Flutter was released in ?

A. 2016
B. 2017
C. 2018
D. 2019

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

A. Android
B. iOS
C. Both A and B
D. None of the above

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

A. Yes
B. No
C. Can be yes or no
D. Can not say

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7. . A widget that allows us to refresh the screen is called a ____________.

A. Stateless widgets
B. Stateful widget
C. Statebuild widget
D. All of the above

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8. The examples of the Stateless widget are?

A. Text
B. Row
C. Column
D. All of the above

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9. pubspec.yaml file does not contain?

A. Project general settings
B. Project dependencies
C. Project language
D. Project assets

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10. Which of the following are the advantages of Flutter?

A. Cross-platform Development
B. Faster Development
C. Minimal code
D. All of the above

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

A. Yes
B. No
C. Can be yes or no
D. Can not say

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12. Which of the following used to develop the native hybrid app from a single codebase?

A. React Native
B. Flutter
C. Both A and B
D. Keras

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13. Which of the following works with a small r key on the terminal or commands prompt?

A. Hot Restart
B. Hot Reload
C. Cold Reload
D. Cold Restart

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14. Which of the following takes more time to compile and update the app?

A. Hot Reload
B. Hot Restart
C. Cold Reload
D. Depends on Compiler

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15. Which function is responsible for starting the program?

A. runApp()
B. run()
C. flutter()
D. main()

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16. Streams can be of __________ types.

A. 0
B. 1
C. 2
D. 3

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17. The Flutter tooling supports _____ modes while compiling the application

A. 2
B. 3
C. 4
D. 5

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18. Release mode allows us to optimize the codes and generate them without any debug data in a fully optimized form

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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19. Which of the following tests a single widget?

A. Integration Tests
B. Unit Tests
C. Interactive Tests
D. Widget Tests

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20. WidgetsApp is used for basic navigation

A. Yes
B. No
C. Can be yes or no
D. Can not say

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