Unity3D MCQ Questions Answers

1. Timeline sequences can initiate code during an animation using which feature?

2. What does the Grid component do?

3. What does the PlayableDirector component allow you to do?

4. Multiple animations may be mixed together on a single character, selectively on different limbs. Which Mecanim feature supports this?

5. You can programmatically control audio effects, like Pitch and Reverb, from C# scripts using which feature of an Audio Mixer asset?

6. What does the Destroy function do?

7. Which statement best descibes the function Quaternion.Euler?

8. Humanoid character assets, like NPCs and the player character, feature on Avatar object. Which statement best describes its purpose?

9. De-lighting is associated with which technology?

10. The variable Transform.forward is a Vector3 measured in what?

11. How does the Range C# attribute control the interaction behavior of numerical variables in the Object Inspector?

12. Which feature generates binary tree data to optimize camera rendering in a scene?

13. You can combine quaternions together through which arithmetic operation?

14. The primary directional light in a scene is linked by default to a procedural scene Skybox. What does the rotation of this light control?

15. Rigidbody components may be added to objects with colliders to make them affected by physical forces. What does the IsKinematic property achieve?

16. How can you change the unique bundle identifier for a mobile build?

17. You are making a game where you need to execute your own functions in response to critical animation events for a rigged character. Specifically, there are two events you must handle: when an animation state is entered and when it is exited in the Animator graph. Which class may be used to invoke your code when those two events happen?

18. Sprite atlas assets, large textures containing many smaller sprites, can be optimized by batching together what?

19. What is the Console windows useful for?

20. Every time you double-click a C# script file from the Project window, Unity prints the message below (or something very similar) to the console. What is a reasonable step in trying to solve this? Cannot start process because a file name has not been provided

21. What is a technique for optimizing Unity UI elements?

22. Which C# attribute can show a private variable in the object inspector?

23. A SkinnedMeshRenderer component is attached automatically by Unity to some mesh objects when they are added to a scene. Which reason best explains why?

24. Some material types may include normal map textures. What does a normal map achieve?

25. A bullet game object is fired from a weapon and travels quickly through the scene using a RigidBody component. It sometimes passes through solid objects even though they have colliders. What is a reasonable strategy for correcting this?

26. The Project windows search box can filter the display of assets with text commands. Which command displays only texture assets?

27. What can you use to organize different game objects into groups inside the Hierarchy panel?

28. The occlusion map of a material is often a grayscale image with pixels ranging between black and white. What does this map contribute to an object’s material?

29. UI elements, such as images and buttons, may be fixed at specific screen positions to build responsive interfaces. Which Unity features help achieve this?

30. For the OnTriggerEnter function to invoke successfully on a collision between two objects, at least one must have which two components?

31. Which MonoBehaviour method runs by default in Editor mode?

32. What is the OnAnimatorMove event on MonoBehaviour objects commonly used for?

33. The Clear Flags property of the Camera components affects which behaviour?

34. The Collaborate feature of Unity Teams empowers whom to do what?

35. When building assets like meshes for Unity. It is good practice to use which measurement unit?

36. Cinemachine offers tools for building gameplay behaviours. Which component makes spline based paths for moving objects?

37. What does the Microphone class save captured audio data as?

38. What is Cinemachine Virtual Camera used for?

39. Orthographic cameras remove which visual effect?

40. Unity scenes may be saved entirely in the YAML format. Why might you do this?

41. What does this code sample achieve? Float Answer = Random.value * 10f;

42. What can you use to visually distinguish between Play mode and Design mode in the editor?

43. Following code will allow you to hide an object.

44. Output of the code assuming that myGameObject does not exist in the scene?

45. How can you call methods in C# scripts from unityscript code?

46. Correct program for Loop animation of A, B and C (A-B-C-A)?

47. 9 sliced images are supported by which colliders?

48. Which option describes the Destroy (Game Object) method?

49. The following code snippets attempt to change an objects color to red during a certain interval of the objects animation. The interval is defined as percentages of the animation duration, enablePercentTime and disablePercentTime (for example, turn the object to red starting 20% of the way through the animation and turn the color back to the original color when the animation is 60% through). Which of the code snippets do this correctly?

50. The distance at which the real time shadows blend into the lightmapped shadows in Unity is determined by:

51. Which are the properties of Lights?

52. Meaning of GUI?

53. A prefab in the assets folder of the project can hold references to:

54. What are the Precomputed Realtime GI as follows?

55. Animation clips imported from external sources could include followings?

56. What are the Light's properties in Unity?

57. An object's mesh can be accessed using:

58. A shader that runs for every fragment is called:

59. The process by which objects that are hidden behind other objects are not rendered is known as:

60. Shadow cascading is used to reduce:

61. An animation controller parameter that has two possible values:

62. Output of code would be?

63. Which one will call MyUpdateMethod() every 1 second?

64. Which shader to apply transformation operations?

65. To play an animation with the Animation component, the imported animation must be of the type:

66. Which tangent types can be used to ensure smoothness?

67. A material contains the following:

68. How you can a method invoked in 5 seconds?

69. Which code will display a valid Button?

70. Correct order in which the methods will execute?

71. Option to initialize consumable IAP in Unity?

72. How to playback input from a microphone in Unity?

73. Core Optimization of CPU Limitations are

74. An animation can be played using

75. Tree Editor lets you create and edit

76. Virtual Functions are functions

77. Output of the following code ?

78. Which one is Core Optimization of GPU Limitations?

79. A 2048x2048 pixel resolution image with format uncompressed RGBA 32 bits (without mipmaps) will take up how much memory when loaded?

80. Types of Raycasters?

81. Which namespace must be included to use the DLLImport attribute?

82. How do you record a transaction event by a user through Unity Analytics?

83. Which statement is TRUE about 2D and 3D Objects?

84. Which one is attached to every GameObject?

85. A coroutine runs on a ... .

86. Value of Time.deltaTime contains

87. A ray contains the following

88. In order to detect a collision between two objects, A and B, which criteria need to be satisfied?

89. What does the following code do?

90. How to play an audio clip at a specific frame of an animation in unity 3D?

91. Which audio file format is not supported by Unity?

92. A Navmesh agent can be which of the following shapes:

93. How can you make a Navmesh agent move to a location?

94. Count all possible paths in 3x3 matrix; from topleft corner to bottom right corner:

95. Which one is a greedy heuristic searching algorithm?

96. How to create an animation event at a specific keyframe at runtime?

97. How can we disable physics in Unity?

98. Which is true about Input Manager ?

99. To display the properties of an object of a class in an inspector, the class must be marked with the property;

100. A new Sprite can be created using: