Plant Diseases
Biology ⇒ Plant Biology
Plant Diseases starts at 7 and continues till grade 12.
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See sample questions for grade 10
Describe how sanitation can help in the management of plant diseases.
Describe one way in which climate can influence the spread of plant diseases.
Describe the role of quarantine in plant disease management.
Describe two ways plant diseases can be transmitted from one plant to another.
Explain the difference between a sign and a symptom of plant disease.
A farmer notices yellow streaks and stunted growth in his rice crop. Which type of pathogen is most likely responsible?
(1) Fungus
(2) Virus
(3) Bacterium
(4) Nematode
A field of wheat shows orange pustules on leaves. What is the most likely disease?
(1) Smut
(2) Rust
(3) Blight
(4) Wilt
A gardener observes black, sunken lesions on tomato stems and fruits. Which disease is most likely present?
(1) Bacterial wilt
(2) Anthracnose
(3) Powdery mildew
(4) Mosaic virus
A farmer notices yellow streaks and stunted growth in his rice crop. Which type of pathogen is most likely responsible?
(1) Fungus
(2) Virus
(3) Bacterium
(4) Nematode
A field of wheat shows orange pustules on leaves. What is the most likely disease?
(1) Smut
(2) Rust
(3) Blight
(4) Wilt
A gardener observes black, sunken lesions on tomato stems and fruits. Which disease is most likely present?
(1) Bacterial wilt
(2) Anthracnose
(3) Powdery mildew
(4) Mosaic virus
Which of the following is a biotic cause of plant disease?
(1) Drought
(2) Fungi
(3) Nutrient deficiency
(4) Frost
Fill in the blank: ________ is a common fungal disease that causes a white, powdery growth on leaves and stems.
Fill in the blank: ________ is the process of rotating different crops in a field to reduce the buildup of pathogens.
Fill in the blank: ________ is the study of plant diseases.
Fill in the blank: ________ is the yellowing of leaves due to loss of chlorophyll, often caused by disease.
True or False: Abiotic factors such as pollution can cause plant diseases.
True or False: All plant diseases are caused by living organisms.
True or False: All plant diseases can be cured by chemical treatments.
True or False: All plant viruses are spread by insect vectors.
