Plant Diseases
Biology ⇒ Plant Biology
Plant Diseases starts at 7 and continues till grade 12.
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See sample questions for grade 12
Describe how environmental factors can influence the development of plant diseases.
Describe the impact of plant diseases on global agriculture.
Describe the main differences between symptoms and signs of plant diseases.
Describe the role of sanitation in plant disease prevention.
Describe two methods used to control plant diseases.
Explain the concept of integrated disease management (IDM) in plant pathology.
Explain the difference between systemic and localized plant infections.
A farmer notices that a previously healthy field of wheat is suddenly showing widespread yellowing and stunted growth. Laboratory analysis reveals the presence of a new strain of rust fungus. Discuss the possible reasons for the rapid spread of this disease and suggest integrated management strategies.
Which of the following is a bacterial plant disease? (1) Fire blight (2) Rust (3) Smut (4) Mosaic
Which of the following is a characteristic of viral plant diseases? (1) Production of spores (2) Mosaic patterns on leaves (3) Bacterial ooze (4) Root galls
Which of the following is a common symptom of viral infection in plants? (1) Leaf curling (2) Root rot (3) Sooty mold (4) Galls
Which of the following is a fungal disease of plants? (1) Bacterial blight (2) Powdery mildew (3) Mosaic virus (4) Root knot nematode
Fill in the blank: ________ is the abnormal yellowing of plant leaves due to disease or nutrient deficiency.
Fill in the blank: ________ is the process of rotating different crops to reduce the buildup of pathogens in the soil.
Fill in the blank: ________ is the process of using chemicals to control plant diseases.
Fill in the blank: ________ is the study of plant diseases.
True or False: All plant diseases are infectious.
True or False: All plant diseases can be cured by chemical treatments.
True or False: All plant pathogens are microscopic.
True or False: Downy mildew is caused by a bacterium.
