Topic Test

Question 1

Rainforest deforestation generally has a positive impact on indigenous tribes and peoples.

Revolt · Accepted Answer

F

Question 2

Mycorrhizal fungi are _______.

Revolt · Accepted Answer

mutualistic root-dwelling fungi that help plants obtain more water and nutrients.

Question 3

Why have forest fires in ponderosa pine forests become more damaging to that ecosystem than they were historically?

Revolt · Accepted Answer

Following a policy of fire suppression in these forests makes fires burn hotter.

Question 4

How does seed-cutting differ from shelterwood cutting?

Revolt · Accepted Answer

Shelterwood cutting takes place over several years.

Question 5

Which of the following best describes the use of rainforest plants as anticancer drugs?

Revolt · Accepted Answer

Twenty-five percent of the active ingredients in cancer drugs are exclusively rainforest plants.

Question 6

Trees maintain the balance between gases in the air, removing carbon dioxide from the air and releasing oxygen.

Revolt · Accepted Answer

T

Question 7

Without wildfires, forest ecosystems would be more likely to suffer from outbreaks of plant disease.

Revolt · Accepted Answer

T

Question 8

Which of the following statements about prescribed burns is true?

Revolt · Accepted Answer

Prescribed burns can help maintain healthy ecosystems.

Question 9

Which of the following is not released by trees into the atmosphere?

Revolt · Accepted Answer

ozone

Question 10

Which of the following is not a reason that humans genetically engineer trees?

Revolt · Accepted Answer

none of the above

Topic Test Answers