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PCA PLANT PATHOGENS EXAM NEWEST 2026/2027 COMPLETE
100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||JUST OUT!!!
Which of the following is a sign of a disease - ANSWER-white
mycelium on twigs and fruit
Some abiotic factors that cause plant disease are - ANSWER-air
pollutants
Which of the following biotic factors contribute to plant
diesease - ANSWER-viroids and viruses
A non obliate parasite - ANSWER-can live on either a living or a
dead hosts
Kotch postulates are readily implemented for - ANSWER-fungi
An example of human impact in the development in plant
disease is - ANSWER-the use of preventative fungicide
applications
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Anthracnose diseases cannot occur without - ANSWER-the
presence of the pathogen in the soil
The use of pathogen free propagated material - ANSWER-only
helps if environmental conditions favorable for disease
development are not present
Plant disease triangle is used for the diagnosis because it allows
you to discount disease that - ANSWER-wounldn't occur under
existing environmental conditions
Which of the following factors affects epidemics - ANSWER-the
virulence of the pathogens
Dominant environmental factor in development in most
epidemics caused by fungi is - ANSWER-moisture
In addition to host pathogen and environment another
component that affects the development of an epidemic is -
ANSWER-the age of the host plants
PCA PLANT PATHOGENS EXAM NEWEST 2026/2027 COMPLETE
100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||JUST OUT!!!
Which of the following is a sign of a disease - ANSWER-white
mycelium on twigs and fruit
Some abiotic factors that cause plant disease are - ANSWER-air
pollutants
Which of the following biotic factors contribute to plant
diesease - ANSWER-viroids and viruses
A non obliate parasite - ANSWER-can live on either a living or a
dead hosts
Kotch postulates are readily implemented for - ANSWER-fungi
An example of human impact in the development in plant
disease is - ANSWER-the use of preventative fungicide
applications
, 2|Page
Anthracnose diseases cannot occur without - ANSWER-the
presence of the pathogen in the soil
The use of pathogen free propagated material - ANSWER-only
helps if environmental conditions favorable for disease
development are not present
Plant disease triangle is used for the diagnosis because it allows
you to discount disease that - ANSWER-wounldn't occur under
existing environmental conditions
Which of the following factors affects epidemics - ANSWER-the
virulence of the pathogens
Dominant environmental factor in development in most
epidemics caused by fungi is - ANSWER-moisture
In addition to host pathogen and environment another
component that affects the development of an epidemic is -
ANSWER-the age of the host plants
