Plant Diseases
Biology ⇒ Plant Biology
Plant Diseases starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Plant Diseases.
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See sample questions for grade 8
A farmer notices yellowing and wilting of tomato plants. What should be the first step in identifying the disease?
Describe how environmental conditions can influence the development of plant diseases.
Describe how insects can help spread plant diseases.
Describe one way plant diseases can spread from one plant to another.
Explain why early detection of plant diseases is important.
Explain why monoculture (growing only one type of crop) can increase the risk of plant disease outbreaks.
Explain why using disease-resistant plant varieties is important in agriculture.
List two ways to reduce the risk of plant disease in a home garden.
Name one way farmers can prevent the spread of plant diseases in their fields.
Name two common fungal diseases that affect plants.
What is a plant disease?
What is the function of a vector in plant disease transmission?
What is the main difference between a symptom and a sign of plant disease?
What is the role of quarantine in plant disease management?
Which part of the plant is most commonly affected by root rot?
A farmer uses the same set of tools on healthy and diseased plants without cleaning them. What is the risk involved, and what practice should be followed to prevent disease spread?
A group of plants in a greenhouse suddenly develops brown, sunken spots on their stems. The temperature and humidity have been unusually high for several days. Explain how these environmental conditions could have contributed to the outbreak of disease and suggest two ways to prevent further spread.
Describe the role of crop rotation in managing soil-borne plant diseases. Why is it effective?
Explain how improper irrigation practices can lead to the development of plant diseases. Provide one example of a disease that can result from overwatering.
