Biology Topic Practice

How to Detect Plant Disease

Gardeners and farmers use several signs to identify when a plant is infected with a pathogen.

Can you name three visible signs of plant disease?

What is How to Detect Plant Disease?

"Plant disease detection is the process of identifying pathogens or environmental factors causing ill health in plants."

Question 1

Which sign would suggest a plant disease rather than healthy growth?

Question 2

Which method helps identify the cause of a plant disease?

Question 3

Why is it important to distinguish between disease and mineral deficiency in plants?

Signs and Testing

Symptoms: Stunted growth, spots on leaves, decay/rot, or growths.

Identification: Consultation of gardening manuals or laboratory testing.

Monoclonal antibody testing kits can be used to identify specific pests.

Exam Tip

Stunted growth is often the first visible sign that a plant is unhealthy.

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