How can you declare a method, that can be set as the action to be performed on various events?

What does a CAEmitterCell do?

How do you free an object?

What type of object is this under XCode 4.5: @[rabbit, chicken, owl]

What is the method for adding KVO to your app?

To have an IOS app Screen Design we used which of the following tool?

If you want to store a small amount of information (e.g., user settings), whats the best, built-in way to go?

What is an enums base type for the code below? typedef enum { Foo1, Foo2} Foo;

Structs can have _?

What is different about this function? +(void)doSomething;

What best describes class inheritance in Objective-C?