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6.3 Monitoring and maintaining health

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Question 25

Which row in the table correctly identifies a physical defence and a chemical defence used by plants against pathogens?

Physical defenceChemical defence
Aproduction of antibacterial chemicalswaxy cuticle
Bwaxy cuticleproduction of antibacterial chemicals
Cwaxy cuticlecellulose cell wall
Dcellulose cell wallbark
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

6.3 Monitoring and maintaining health Questions

  1. GCSE
  2. /Biology
  3. /6.3 Monitoring and maintaining health

97 exam-style questions on OCR GCSE Biology 6.3 Monitoring and maintaining health, covering 6.3.1 Health and disease, 6.3.2 Interactions between diseases, 6.3.3 Spread of communicable diseases, 6.3.4 Common infections and diseases, 6.3.5 Physical plant defence responses, 6.3.6 Chemical plant defence responses, 6.3.7 Detecting and identifying plant diseases, 6.3.8 White blood cells and platelets, 6.3.9 Non-specific defence systems, 6.3.10 The immune system, 6.3.11 Monoclonal antibodies, 6.3.12 Vaccines and medicines, 6.3.13 Aseptic techniques, 6.3.14 Discovery and development of new medicines, 6.3.15 Causes of non-communicable diseases, 6.3.16 Treatments for cardiovascular disease, 6.3.17 Lifestyle factors and non-communicable diseases, 6.3.18 Cancer, 6.3.19 Stem cells in medicine, 6.3.20 Gene technology in medicine, and 6.3.21 The human genome and medicine. Each one has a worked solution and a mark scheme showing where the marks go.

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