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KEAM Immunity — practice questions

Explore 1 free Immunity questions in KEAM Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Immunity questions and exercises with answers

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**Innate immunity** is best described as:Read the answer and worked solution →

Worked practice questions

**Innate immunity** is best described as:

  1. Acquired after exposure to a pathogen
  2. Non-specific, present from birth, including physical/chemical/cellular barriers
  3. Only against viruses
  4. Inherited only from mother
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Correct answer: B. Non-specific, present from birth, including physical/chemical/cellular barriers

**Innate (natural) immunity:** present from birth, non-specific. Includes physical barriers (skin, mucous), chemical (gastric acid, lysozyme), cellular (phagocytes, NK cells), and cytokines. First line of defence.

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