Unity Unity 4

Question 1

What is a ScriptableObject best used for?

Accepted Answer

Storing shared data assets independent of scene GameObjects

Answer

Per-frame movement

Answer

Rendering UI

Answer

Handling collisions

Question 2

Which method loads a different scene by name?

Accepted Answer

SceneManager.LoadScene

Answer

Application.Load

Answer

Scene.Open

Answer

GameObject.Load

Question 3

What does DontDestroyOnLoad do?

Accepted Answer

Prevents a GameObject from being destroyed when a new scene loads

Answer

Stops physics

Answer

Disables a script

Answer

Pauses the game

Question 4

Which best describes the difference between Awake() and Start()?

Accepted Answer

Awake runs once when the object loads; Start runs before the first frame after Awake

Answer

Awake runs after Start

Answer

They are identical

Answer

Start runs every frame

Question 5

What is the purpose of Unity's Layer system in physics?

Accepted Answer

To control which objects can collide via the layer collision matrix

Answer

To order UI elements

Answer

To set render quality

Answer

To group scripts

Question 6

Which function casts a ray into the scene to detect colliders?

Accepted Answer

Physics.Raycast

Answer

Camera.Render

Answer

Gizmos.DrawLine

Answer

Input.GetAxis

Question 7

What does GetComponent<T>() return if no matching component exists?

Accepted Answer

null

Answer

A new component

Answer

A compile error

Answer

The Transform