PLPA 200 UIUC Study Guide Exam #Questions with correct
answers
The scientist who proved that a fungus was the cause of the potato blight is -
✔✔Debary
As a result of the Irish potato famine - ✔✔all of the others
The potato plant is closely related to - ✔✔Tomatoes
The plant disease pyramid can be used to help you remember the four factors
required for a plant disease to occur. Which of the following is NOT a part of the
plant disease pyramid? - ✔✔A pathogen Vector
Which of the following is NOT a component of the plant disease triangle? -
✔✔obligate parasite
The nuclei in the vegetative mycelium of a fungus may be - ✔✔
A mycelium is composed of - ✔✔threadlike hyphae
The term for the sexually formed spores produced by species of Phytophthora,
Pythium, and Plasmopara is - ✔✔
Oomycetes are different from (other) fungi because - ✔✔their cell walls contain
cellulose
, Phytophthora infestans, the fungus that causes late blight of potato, survives
througuh the winter primarily as - ✔✔
The downy mildew pathogen spreads from grape plant to grape plant during the
growing season as - ✔✔wind-blown or rain-slashed sporangia
Spores are useful to fungi because they can - ✔✔all of the others
The nuclei in the vegetative mycelium of a fungus may be - ✔✔all of the others
The center of origin of coffee rust is believed to be - ✔✔Ethiopia
Coffee is produced on trees - ✔✔all of the others
The center of origin of the coffee plant is - ✔✔Ethiopia
When coffee rust destroyed coffee production in Ceylon, one lesson that the
growers did NOT learn was the - ✔✔
The asexual spores of Microcyclus ulei, the casual agent of South America leaf
blight of rubber, are - ✔✔
Native Central American Indians used rubber for - ✔✔all of the others
answers
The scientist who proved that a fungus was the cause of the potato blight is -
✔✔Debary
As a result of the Irish potato famine - ✔✔all of the others
The potato plant is closely related to - ✔✔Tomatoes
The plant disease pyramid can be used to help you remember the four factors
required for a plant disease to occur. Which of the following is NOT a part of the
plant disease pyramid? - ✔✔A pathogen Vector
Which of the following is NOT a component of the plant disease triangle? -
✔✔obligate parasite
The nuclei in the vegetative mycelium of a fungus may be - ✔✔
A mycelium is composed of - ✔✔threadlike hyphae
The term for the sexually formed spores produced by species of Phytophthora,
Pythium, and Plasmopara is - ✔✔
Oomycetes are different from (other) fungi because - ✔✔their cell walls contain
cellulose
, Phytophthora infestans, the fungus that causes late blight of potato, survives
througuh the winter primarily as - ✔✔
The downy mildew pathogen spreads from grape plant to grape plant during the
growing season as - ✔✔wind-blown or rain-slashed sporangia
Spores are useful to fungi because they can - ✔✔all of the others
The nuclei in the vegetative mycelium of a fungus may be - ✔✔all of the others
The center of origin of coffee rust is believed to be - ✔✔Ethiopia
Coffee is produced on trees - ✔✔all of the others
The center of origin of the coffee plant is - ✔✔Ethiopia
When coffee rust destroyed coffee production in Ceylon, one lesson that the
growers did NOT learn was the - ✔✔
The asexual spores of Microcyclus ulei, the casual agent of South America leaf
blight of rubber, are - ✔✔
Native Central American Indians used rubber for - ✔✔all of the others
