AQA GCSE Biology contents

Unit 3 · Infection & Response

Plant Disease & Defences [Biology only]

2 min read · part of the full Exam Guide

Detecting and identifying plant disease [Higher Tier]

  • Signs of disease: stunted growth, spots on leaves, areas of decay (rot), growths, malformed stems or leaves, discolouration, and the presence of pests
  • Identifying the cause: look it up in a gardening manual or website; take infected plants to a laboratory to identify the pathogen; use a testing kit containing monoclonal antibodies

Full Exam Guide

The rest of this topic is in the full Exam Guide

The complete AQA GCSE Biology guide — every topic, exam checklist and common mistake — is coming soon. Until then, the first topic in every unit is free to read.

In the full topic

  • Detecting and identifying plant disease [Higher Tier]
  • Pathogens, pests and deficiencies
  • Plant defence responses
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