Year 10 - Science
Plant diseases: TMV, crown gall disease and barley powdery mildew
Health and disease
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit explores health and disease, including communicable and non-communicable types and their interactions. It examines lifestyle impacts, disease spread, evaluates cardiovascular treatments, and highlights the importance of risk evaluation, peer review, and effective communication of results.
Lesson Summary
You will learn to describe examples of common diseases in plants, how they spread, and ways to reduce the spread.
Key Notes
- Tobacco mosaic virus is an example of a disease in plants caused by a virus.
- Crown gall disease is an example of a disease in plants caused by a bacterium.
- Barley powdery mildew is an example of a disease in plants caused by a fungus.
- Ways in which plant diseases can be spread, and ways in which the spread can be reduced.
- Impacts of plant diseases, including on biodiversity and human food security.
Vocabulary To Learn
- virus: A non-living infectious agent that replicates inside a host cell.
- fungus: A eukaryotic, spore-producing organism that feeds on organic matter.
- food security: A measure of the quantity and quality of food available to support households and whole communities.
- biodiversity: Variety of living organisms within an ecosystem.
Common Mistakes To Avoid
- Only human and other animals can catch diseases. Plant diseases are not important.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
Tobacco mosaic virus is an example of a disease in plants caused by a virus. Crown gall disease is an example of a disease in plants caused by a bacterium.
2. Define this scientific word and use it in context. 'virus'
A non-living infectious agent that replicates inside a host cell. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: Only human and other animals can catch diseases. Plant diseases are not important. Correction: This lesson explores examples of plant diseases, the pathogens that cause them and how they are spread, and their devastating impacts.
More Lessons In This Unit
- Bacterial and viral diseases in humans: Salmonella and influenza Study Guide
- Bacterial and viral diseases in humans: Salmonella and measles Study Guide
- Bacterial and viral diseases in humans: TB, cholera, Helicobacter and Ebola Study Guide
- Cancer Study Guide
- Cardiovascular disease Study Guide
- Climate change and human health Study Guide
- Diseases Study Guide
- Effects of exercise on pulse rate Study Guide
- Fungal and protist diseases in humans Study Guide
- Plant diseases: Chalara ash dieback Study Guide
- Plant diseases: TMV and rose black spot Study Guide
- Plant diseases: TMV, crown gall disease and Chalara ash dieback Study Guide
- Risk factors for non-communicable diseases Study Guide
- Sexually transmitted infections Study Guide
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