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BESC Final Exam Questions with Answers All Correct
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BESC Final Exam Questions with Answers All Correct The fungus responsible for the chestnut blight disease is called: A. Ophiostoma ulmi B. Phakopsora pakirizi C. Cryphonectria parasitica D. Phytophthora infestans - Answer-C. Cryphonectria parasitica Late Blight is a disease of both pot...

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  • August 27, 2024
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  • 2024/2025
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BESC Final Exam Questions with
Answers All Correct
The fungus responsible for the chestnut blight disease is called:

A. Ophiostoma ulmi
B. Phakopsora pakirizi
C. Cryphonectria parasitica
D. Phytophthora infestans - Answer-C. Cryphonectria parasitica

Late Blight is a disease of both potato and tomato that was associated with the great
famine in Ireland in the 1800's. The casual organism is an oomycete that is
necrotrophic. Both mating types of Phytophthora infestans have been distributed
throughout the world since the late 1800's, thus making genetic variation of the
pathogen the main difficulty in controlling the disease.

A. This statement is correct as written
B. The statement is correct except that either Late Blight was not the name of the
disease associated with the famine in Ireland or the disease does not affect both tomato
and potato
C. This statement is correct except that causal organism is either not an oomycete or it
is not a necrotroph during any part of its life cycle.
D. The statement is correct except either the name of the organism is not Phytophthora
infestans or the spread of the second mating type around the world occurred in the late
1900 - Answer-D. The statement is correct except either the name of the organism is
not Phytophthora infestans or the spread of the second mating type around the world
occurred in the late 1900's rather than the late 1800's.

An example of a subcutaneous fungal disease of humans that is more common among
agricultural workers is

A. histoplamosis
B. candidiasis
C. coccidioidomycoes
D. sporotrichosis - Answer-D. sporotrichosis

A fungal pathogen of humans that can invade healthy hosts and spread throughout the
body is from this class of pathogens:

A. Systemic opportunistic
B. Localized

,C. Primary systemic
D. Cutaneous - Answer-C. primary systemic

Which of the following disease causing organisms is not a "true fungus"?

A. plasmopora viticola
B. cryptococcus neoformans
C. aspergillus fumigatus
D. cryphonectria parasitica - Answer-A. plasmopora viticola

For the wheat rust fungus, these are spores you would find produced on the wheat host.

A. Spermatia
B. Aeciospores
C. Urediospores
D. None of the above - Answer-C. Urediospores

With what disease system is the concept of hypo virulence commonly associated?

A. Sudden oak death
B. Chestnut blight
C. Dutch elm disease
D. Late blight of potato - Answer-B. Chestnut blight

This father of plant pathology was instrumental in describing the cause of Late Blight:

A. Linneaus
B. Berkley
C. Pasteur
D. de Bary - Answer-D. de Bary

One reason that treating human mycoses is not difficult is the similarity in the physiology
of humans and fungi.

A. True
B. False - Answer-B. False

The fungus Cryptococcus neoformans is dimorphic and is pathogenic to humans.

A. True
B. False - Answer-A. True

What disease is thought to have played a role in the development of ginger bread?

A. wheat rust
B. stinking smut

, C. karnal bunt
D. wheat scab - Answer-B. stinking smut


Which group of organisms have coenocytic hyphae?

A. Ascomycota
B. Basidiomycota
C. Zygomycota
D. Chytridiomycota - Answer-C. Zygomycota

From which group of fungi did the organism that made this hypha and structure pointed
to by the arrow come?

A. Blastocladiomycota
B. Basidiomycota
C. Ascomycota
D. Zygomycota - Answer-B. Basidiomycota

An example of the Zygomycota, that was discussed in class and in your reading,
developed a mechanism to actively propel its sporangium toward the light, thus allowing
it to continue its life cycle by passing through an herbivores gut. The name of this
fungus is?

A. Aspergillus
B. Uromyces
C. Pilobolus
D. Neurospora - Answer-C. Pilobolus

In class we discussed 4 major groups (phyla) of fungi in your reading from Deacon, that
was provided to you as a pdf, which of the following groups was also discussed in
depth?

A. Kixellomycota
B. Planeromycetes
C. Balistosporomycetes
D. Glomeromycota - Answer-D. Glomeromycota

Which group of fungi make zoospores?

A. Basidiomycota
B. Ascomycota
C. Zygomycota
D. Chytridiomycota - Answer-D. Chytridiomycota

Which group of fungi make conidia?

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