Plant Diseases and Infection Prevention

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Questions and Answers

What type of pathogen causes malaria?

Bacteria

Protist (correct)

Virus

Fungus

All living things can become infected by diseases.

True

Name one way white blood cells resist infection.

Producing antibodies

Malaria is spread by ________ mosquitoes.

Anopheles Signup and view all the answers

Match the following pathogens to their type:

Tobacco mosaic virus = Virus Black spot fungus = Fungus Malaria = Protist Bacteria = Bacteria Signup and view all the answers

What symptom is associated with Tobacco mosaic virus?

Discoloration of leaves Signup and view all the answers

Wind and water can spread black spot fungus.

True Signup and view all the answers

What is one effect of fungal infections on plants?

Reduces growth Signup and view all the answers

White blood cells are responsible for ________ pathogens that enter the body.

destroying Signup and view all the answers

Which of the following statements about plants and communicable diseases is TRUE?

Plants can be infected by pathogens. Signup and view all the answers

Plants have no physical or chemical defenses against diseases.

False Signup and view all the answers

What types of pathogens can affect plants?

bacteria, viruses, fungi, and protists Signup and view all the answers

The tobacco mosaic virus (TMV) is spread by ______.

insects Signup and view all the answers

What are the symptoms of black spot fungus?

Black or purple spots on leaves Signup and view all the answers

All communicable diseases that affect plants also affect animals.

False Signup and view all the answers

Why do plants need photosynthesis?

To produce food and energy Signup and view all the answers

Match the following plant diseases with their causes:

Tobacco mosaic virus = Virus Black spot fungus = Fungus Powdery mildew = Fungus Root rot = Bacteria Signup and view all the answers

Study Notes

How do plants prevent infection?

Malaria is spread by mosquitoes.
The pathogen that causes malaria is a protist.
The immune system destroys pathogens that enter the body.
White blood cells destroy pathogens.
White blood cells resist infection through phagocytosis, producing antibodies, and producing antitoxins.

Activating prior knowledge

Pathogens include viruses, bacteria, fungi, and protists.
All living things can get sick.

Activation & check of prior knowledge

All living things can become infected by diseases.

Plant Diseases

Examples include Tobacco Mosaic Virus (TMV) and Black Spot Fungus and their effects on plants.
TMV is caused by a virus, spread by insects, causing discoloration and reduced photosynthesis.
Black Spot Fungus is caused by a fungus, spread by water or wind, and creates black/purple spots on leaves, reducing photosynthesis.

How are plant diseases spread?

Viruses may be spread by insects or water.
Fungi may be spread by water or wind.

Plant Disease Symptoms

Visible symptoms such as discolouration, spots, reduced photosynthesis or growth are observed.

Plant Pathogen Control

Fungicides are used to control fungal diseases.

Plant Immune Systems

Plants have physical and chemical defenses but no immune system.
Plants have defenses, but lack an immune system.

Communicable Diseases

Plants and animals can contract communicable diseases.

Complete Pathogen Information

Pathogens infect plants, not just animals.
Plant pathogens include bacteria, viruses, fungi, and protists.
Examples of plant diseases include Tobacco Mosaic Virus (caused by a virus spread via insects) and Black Spot Fungus (caused by a fungus spread via water/wind).

Health and Disease

Health is defined as complete physical, mental, and social well-being.
Communicable diseases (infectious diseases) are caused by pathogens, and lifestyle factors affect the non-communicable disease risk.

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Description

Explore how plants defend against diseases and the various pathogens that affect them. This quiz includes information on the Tobacco Mosaic Virus and Black Spot Fungus as well as the mechanisms of plant immune responses. Test your knowledge about the spread of plant diseases and their impacts on photosynthesis.