BESC 204 EXAM 2 2025/2026 QUESTIONS AND ANSWERS 100% PASS

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BESC 204 EXAM 2 2025/2026 QUESTIONS AND ANSWERS 100% PASS

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BESC 204 EXAM 2 2025/2026 QUESTIONS
AND ANSWERS 100% PASS

What kingdom is Oomycota in? - ANS stramenopila

What disease caused the irish potato famine? - ANS late blight of potato caused by the
Oomycete Phytophtora infestans

Oomycetes are true fungi - ANS False

What are Oomycetes cell walls made of? - ANS Cellulose

Are Oomycetes haploid or diploid? - ANS Diploid

Do Oomycetes have septa? - ANS No

Oomycetes are derived from algae not fungi - ANS True

In the 1840s half the population depended on potatoes to survive - ANS True

1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.

, How many potatoes did the typical Irish family consume per week? - ANS 250 pounds a
week, 6 lbs a day

What does the word "blight" mean? - ANS a plant disease, typically one caused by fungi such
as mildews, rusts, and smuts.

How long did the potato famine last? - ANS 15 years

How many people died from the famine? - ANS One million

Anton de Bary - ANS proved late blight was caused by a fungus in 1861

What was the fungus called? - ANS Phytophthora infestans

How did the fungus target the plants - ANS 1. zoospores propelled by 2 flagella and can swim
inches

2. enzymes secreted kills plant tissue

How many Americans are from Irish decent? - ANS 36.9 million (11.9 %)

Outbreak in Germany 1914 - ANS 1. centralized potatoes in large cities to help w war

2. led to mass starvation

3. 700k Germans starved

Why was the blight so bad in Europe but fine in America? - ANS No resistance or genetic
diversity, monoculture

2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.

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