Key term for OCR GCSE Biology A, used in Health and disease.
The yellowing of plant leaves caused by a lack of chlorophyll, which may be due to mineral deficiency or disease.
Chlorosis appears in OCR GCSE Biology A revision content for Global challenges, especially Health and disease and Detection of plant diseases.
Global challenges
Health and disease • Detection of plant diseases
Global challenges
Health and disease • Common infections
Global challenges
Health and disease • Spread of communicable diseases
Global challenges
Food production • Agricultural solutions
Genes, inheritance and selection
Inheritance • Interaction with environment
Community level systems
Ecosystems • Abiotic and biotic factors
Community level systems
Ecosystems • Role of microorganisms
Scaling up
The challenges of size • Substances transported
Cell level systems
Photosynthesis • Endothermic reaction
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