1|Page
PCA PLANT PATHOGENS EXAM LATEST 2026-2027 ACTUAL EXAM
WITH COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
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
Which type of pathogen decimation method is responsible for
most frequent and most wide spread plant disease epidemics -
ANSWER-air borne
Most soil born diseases are - ANSWER-single cycled diseases
Serious epidemics are more likely to occur from a multiple cycled
disease rather than a single cycled disease because - ANSWER-
multiple cycled diseases produce secondary inoculum that can
cause secondary infections
,2|Page
Sanitation practices are often a more effective management tool
for single cycled diseases then multi cycled diseases because -
ANSWER-in a single cycled disease the primary incoculum is the
only inocuclum available for the entire season
A race of a pathogen refers to - ANSWER-a group of pathogens
within a species that infects only certain varieties of a host plant
The time between host penetration and the first appearance of
symptoms is called the - ANSWER-incubation period
A mushroom is an example of a - ANSWER-basidocarp
Most fungal disease that attack flowers are favored by -
ANSWER-wet weather
Fungi penetration the host plant by directly penetration of -
ANSWER-open wounds
, 3|Page
Obligate fungal parasites - ANSWER-are unable to feed on dead
cells
At times it is difficult to determine the casual agent of a disease
because various agents result in similare symptoms. Which of the
following symptoms are similare - ANSWER-wilts (verticillium and
fusarium)
Bacterial plant pathogens are - ANSWER-prokaryotes
Bacterial canker in tomatoes is commonly spread by all of the
following execpt? - ANSWER-leaf hoppers
Environmental conditions that commonly favor the development of
bacterial blights are - ANSWER-warm and humid conditions
Plant pathenogenic phytoplasims in bacteria are - ANSWER-
prokaryotes
PCA PLANT PATHOGENS EXAM LATEST 2026-2027 ACTUAL EXAM
WITH COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
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
Which type of pathogen decimation method is responsible for
most frequent and most wide spread plant disease epidemics -
ANSWER-air borne
Most soil born diseases are - ANSWER-single cycled diseases
Serious epidemics are more likely to occur from a multiple cycled
disease rather than a single cycled disease because - ANSWER-
multiple cycled diseases produce secondary inoculum that can
cause secondary infections
,2|Page
Sanitation practices are often a more effective management tool
for single cycled diseases then multi cycled diseases because -
ANSWER-in a single cycled disease the primary incoculum is the
only inocuclum available for the entire season
A race of a pathogen refers to - ANSWER-a group of pathogens
within a species that infects only certain varieties of a host plant
The time between host penetration and the first appearance of
symptoms is called the - ANSWER-incubation period
A mushroom is an example of a - ANSWER-basidocarp
Most fungal disease that attack flowers are favored by -
ANSWER-wet weather
Fungi penetration the host plant by directly penetration of -
ANSWER-open wounds
, 3|Page
Obligate fungal parasites - ANSWER-are unable to feed on dead
cells
At times it is difficult to determine the casual agent of a disease
because various agents result in similare symptoms. Which of the
following symptoms are similare - ANSWER-wilts (verticillium and
fusarium)
Bacterial plant pathogens are - ANSWER-prokaryotes
Bacterial canker in tomatoes is commonly spread by all of the
following execpt? - ANSWER-leaf hoppers
Environmental conditions that commonly favor the development of
bacterial blights are - ANSWER-warm and humid conditions
Plant pathenogenic phytoplasims in bacteria are - ANSWER-
prokaryotes
