Page 1 of 65
Ducks Unlimited Ecology Exam
COMPLETE NEWEST 300 QUESTIONS
AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
QUESTION: Which of the following best describes high-grading harvest?
A. All growth was cleared in an area no matter the age or type of plant
B. Only cutting the largest or most valuable tree species in an area
C. Cutting off the tallest branches of trees to allow more sunlight to penetrate the forest floor
D. Cutting trees which were small and overcrowding other trees and plants in the area -
ANSWER-B. Only cutting the largest or most valuable tree species in an area
QUESTION: Which of the following is true about the Forest and Rangeland Planning Act?
A. Monitors the effects of climate change on renewable resources and managed lands
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B. Allows the president to set aside forest reserves
C. Established the management, protection and care of forest reserves
D. Authorized the U.S. Forest Service to develop standards in order to ensure a future supply of
wood resources from forests - ANSWER-A. Monitors the effects of climate change on renewable
resources and managed lands
QUESTION: What is desertification?
A. Areas of grassland which undergo sandstorms
B. Grasslands which are transformed into agriculture lands
C. Grasslands which are near a desert area and acts a transition zone
D. Grasslands which undergo drought or demineralization and turn into a desert landscape -
ANSWER-D. Grasslands which undergo drought or demineralization and turn into a desert
landscape
QUESTION: In order to minimize soil erosion and increase water retention, Randy wants to
plant a cover crop for his cotton field without negatively affecting the fertility of the soil. He
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knows cotton requires significant amounts of nitrogen to grow, so he will need to choose a
cover crop with low nitrogen requirements. Which of the following cover crops should Randy
choose?
A. Legumes
B. Winter wheat
C. Buckwheat
D. Barley - ANSWER-A. Legumes
QUESTION: Which of the following is a characteristic of the taiga?
A. Northernmost forests with seasonal climate including long winters and short summers
B. Most diverse of all ecosystems
C. Lacks seasonal climate, but can have wet and dry seasons
D. Includes deciduous and coniferous forests - ANSWER-A. Northernmost forests with seasonal
climate including long winters and short summers
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QUESTION: Forty percent of the world's oxygen is produced in which of the following?
A. Grasslands
B. Tropical rainforest
C. Neritic zone
D. Freshwater habitats - ANSWER-B. Tropical rainforest
QUESTION: A wetland sits in an area with seasonal flooding from snow melt, has anaerobic soil,
contains a build-up of dead vegetation in the water and is filled with cypress trees. This area is
most likely classified as which of the following types of wetland?
A. Swamp
B. Bog
C. Fen
D. Marsh - ANSWER-A. Swamp
4
Ducks Unlimited Ecology Exam
COMPLETE NEWEST 300 QUESTIONS
AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
QUESTION: Which of the following best describes high-grading harvest?
A. All growth was cleared in an area no matter the age or type of plant
B. Only cutting the largest or most valuable tree species in an area
C. Cutting off the tallest branches of trees to allow more sunlight to penetrate the forest floor
D. Cutting trees which were small and overcrowding other trees and plants in the area -
ANSWER-B. Only cutting the largest or most valuable tree species in an area
QUESTION: Which of the following is true about the Forest and Rangeland Planning Act?
A. Monitors the effects of climate change on renewable resources and managed lands
1
, Page 2 of 65
B. Allows the president to set aside forest reserves
C. Established the management, protection and care of forest reserves
D. Authorized the U.S. Forest Service to develop standards in order to ensure a future supply of
wood resources from forests - ANSWER-A. Monitors the effects of climate change on renewable
resources and managed lands
QUESTION: What is desertification?
A. Areas of grassland which undergo sandstorms
B. Grasslands which are transformed into agriculture lands
C. Grasslands which are near a desert area and acts a transition zone
D. Grasslands which undergo drought or demineralization and turn into a desert landscape -
ANSWER-D. Grasslands which undergo drought or demineralization and turn into a desert
landscape
QUESTION: In order to minimize soil erosion and increase water retention, Randy wants to
plant a cover crop for his cotton field without negatively affecting the fertility of the soil. He
2
, Page 3 of 65
knows cotton requires significant amounts of nitrogen to grow, so he will need to choose a
cover crop with low nitrogen requirements. Which of the following cover crops should Randy
choose?
A. Legumes
B. Winter wheat
C. Buckwheat
D. Barley - ANSWER-A. Legumes
QUESTION: Which of the following is a characteristic of the taiga?
A. Northernmost forests with seasonal climate including long winters and short summers
B. Most diverse of all ecosystems
C. Lacks seasonal climate, but can have wet and dry seasons
D. Includes deciduous and coniferous forests - ANSWER-A. Northernmost forests with seasonal
climate including long winters and short summers
3
, Page 4 of 65
QUESTION: Forty percent of the world's oxygen is produced in which of the following?
A. Grasslands
B. Tropical rainforest
C. Neritic zone
D. Freshwater habitats - ANSWER-B. Tropical rainforest
QUESTION: A wetland sits in an area with seasonal flooding from snow melt, has anaerobic soil,
contains a build-up of dead vegetation in the water and is filled with cypress trees. This area is
most likely classified as which of the following types of wetland?
A. Swamp
B. Bog
C. Fen
D. Marsh - ANSWER-A. Swamp
4
