PLPA 2003 Final questions with
verified solutions
Which type of pathogen contributed to tulipomania? - correct answer ✔✔ Virus
Which of the following factors did NOT contribute to the devastation of Ceylon’s coffee
plantations in the 1800s? - correct answer ✔✔ Tropical climate that lacked a true winter
Fungicides were ineffective and poorly available
Coffee Rust
Large monoculture of coffee grown
Soil Erosion (CORRECT ANSWER)
After potatoes were observed not to suffer from the blight near the copper smelters in
Swansea, which theory was initially used to explain this phenomenon? - correct answer ✔✔ No
connection was made between the two.
Which individual was proved to be most incorrect when it came to their theories about the
cause of the Irish Potato Famine? - correct answer ✔✔ John Lindley
The authors of "Pests and diseases of prehistoric crops" reference a modern study (Butser
Experiments) that attempted to replicate Neolithic and Medieval Farming techniques. What two
factors does the author claim make it difficult to fully replicate the yield outcomes which would
have developed historically? - correct answer ✔✔ Use of fungicides in neighboring fields might
keep disease pressure low
Local strains of pathogens might not have been adapted to attack the crops grown at Butser
What type of pathogen causes Ergot of Rye? - correct answer ✔✔ True Fungus
, What is the best way to test for ergotism? - correct answer ✔✔ Urine Test
Which of the following industries was NOT mentioned as directly effected by the chestnut blight
epidemic? - correct answer ✔✔ Timber
Hog
Moonshine (CORRECT ANSWER)
Tanning
Which of the following is NOT considered a potential control measure for this disease? - correct
answer ✔✔ Deep tillage
What type of pathogen causes chestnut blight? - correct answer ✔✔ True fungus
What is best source of resistance for those trying to breed a resistant variety of American
chestnut? - correct answer ✔✔ China
What is the ecological role of most of the fungi discussed by Dr. Blanchette? - correct answer
✔✔ Wood decayers
What's another use for the "Tinder Fungus"? - correct answer ✔✔ Fly Fishing
What genus of fungus was used to provide coloration on the "3-D" panels in European
cabinetry? - correct answer ✔✔ Chlorociboria
Which of the following effects is NOT linked to the Ganorderma mushrooms found throughout
the Forbidden City in China? - correct answer ✔✔ Hallucinogenic effects (CORRECT ANSWER)
Good Luck
verified solutions
Which type of pathogen contributed to tulipomania? - correct answer ✔✔ Virus
Which of the following factors did NOT contribute to the devastation of Ceylon’s coffee
plantations in the 1800s? - correct answer ✔✔ Tropical climate that lacked a true winter
Fungicides were ineffective and poorly available
Coffee Rust
Large monoculture of coffee grown
Soil Erosion (CORRECT ANSWER)
After potatoes were observed not to suffer from the blight near the copper smelters in
Swansea, which theory was initially used to explain this phenomenon? - correct answer ✔✔ No
connection was made between the two.
Which individual was proved to be most incorrect when it came to their theories about the
cause of the Irish Potato Famine? - correct answer ✔✔ John Lindley
The authors of "Pests and diseases of prehistoric crops" reference a modern study (Butser
Experiments) that attempted to replicate Neolithic and Medieval Farming techniques. What two
factors does the author claim make it difficult to fully replicate the yield outcomes which would
have developed historically? - correct answer ✔✔ Use of fungicides in neighboring fields might
keep disease pressure low
Local strains of pathogens might not have been adapted to attack the crops grown at Butser
What type of pathogen causes Ergot of Rye? - correct answer ✔✔ True Fungus
, What is the best way to test for ergotism? - correct answer ✔✔ Urine Test
Which of the following industries was NOT mentioned as directly effected by the chestnut blight
epidemic? - correct answer ✔✔ Timber
Hog
Moonshine (CORRECT ANSWER)
Tanning
Which of the following is NOT considered a potential control measure for this disease? - correct
answer ✔✔ Deep tillage
What type of pathogen causes chestnut blight? - correct answer ✔✔ True fungus
What is best source of resistance for those trying to breed a resistant variety of American
chestnut? - correct answer ✔✔ China
What is the ecological role of most of the fungi discussed by Dr. Blanchette? - correct answer
✔✔ Wood decayers
What's another use for the "Tinder Fungus"? - correct answer ✔✔ Fly Fishing
What genus of fungus was used to provide coloration on the "3-D" panels in European
cabinetry? - correct answer ✔✔ Chlorociboria
Which of the following effects is NOT linked to the Ganorderma mushrooms found throughout
the Forbidden City in China? - correct answer ✔✔ Hallucinogenic effects (CORRECT ANSWER)
Good Luck
