Biology 9700 · AS & A Level · The immune system

The immune system — practice question

The diagram makes it possible to identify different kinds of immunity. Which row correctly names the types of immunity labelled 1, 2 and 3?

  • A1 active, 2 artificial, 3 natural
  • B1 active, 2 natural, 3 artificial
  • C1 passive, 2 artificial, 3 natural
  • D1 passive, 2 natural, 3 artificial

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