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Cambridge IGCSE Combined Science practice

What is the main component of a virus's structure?

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Show answerDiseases and immunity revisionRevise the key idea

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MCQ

Type

cambridge_mcq

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Topic

Diseases and immunity

Exam-style question

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What is the main component of a virus's structure?.

  1. A.Cell wall
  2. B.Protein coat
  3. C.Chloroplast
  4. D.Mitochondria

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Paper 4 structured question: Diseases and immunity

Paper 4Theory (Extended)2 marks

Description

Characteristics of Viruses

Viruses are made up of a protein coat and genetic material, which can be either DNA or RNA. They lack cellular structures and cannot reproduce independently.

  1. a

    Describe the main components of a virus and their functions.

    Aim for approximately 2 distinct marking points.

    [2]