ENVS MULTIPLE CHOICE PREP QUESTIONS
Which of the following is NOT true when comparing Least-Developed countries and
Most-Developed Countries?
A. Infant mortality in the least-developed countries is about 25 times as high as in the
most-developed countries.
B. Carbon dioxide emissions (a measure of both energy use and contributions to global
warming) are 150 times greater in poor countries.
C. Only 23 percent of residents in poorer countries have access to modern sanitation,
while this ammenity is essentially universal in richer countries.
D. The average individual in the highest-income countries has an annual income
roughly 40 times that of those in the lowest-income nations. - Answers - B
Your Aunt Sally knows that you're taking an environmental science course and says she
has a question for you, "What does it mean when environmentalists say we need to
reduce consumption of disposable goods, since there really is no 'away' to throw
things?" To help her understand the science behind the issue, you explain the:
A. First law of thermodynamics
B. Second law of thermodynamics
C. Principle of conservation of matter
D. Competitive exclusion principle - Answers - C
How do consumers harness the sun's power and use it as an energy source?
A. by exposing themselves to sunlight, sunbathing
B. by eating producers at the bottom of the food chain
C. absorption through the retina
D. by eating tertiary consumers at the top of the food chain
E. by producing vitamin D from sun exposure - Answers - B
Which of the following does NOT contribute to the fact that tertiary consumers are rare
in ecosystems compared to members of lower trophic levels?
A. Less food energy is available to the top trophic level than is available to preceding
levels.
B. Tertiary consumers need larger home ranges to satisfy their dietary needs
C. Tertiary consumers always have greater body mass than primary and secondary
consumers in a given system
D. Entropy tends to increase in all natural systems - Answers - C
According to the rule of 70, which growth rate would have the human population
doubling in 35 years?
A. 0.5%
B. 1%
C. 2%
D. 10%
E. 30% - Answers - C
Which of the following is NOT true when comparing Least-Developed countries and
Most-Developed Countries?
A. Infant mortality in the least-developed countries is about 25 times as high as in the
most-developed countries.
B. Carbon dioxide emissions (a measure of both energy use and contributions to global
warming) are 150 times greater in poor countries.
C. Only 23 percent of residents in poorer countries have access to modern sanitation,
while this ammenity is essentially universal in richer countries.
D. The average individual in the highest-income countries has an annual income
roughly 40 times that of those in the lowest-income nations. - Answers - B
Your Aunt Sally knows that you're taking an environmental science course and says she
has a question for you, "What does it mean when environmentalists say we need to
reduce consumption of disposable goods, since there really is no 'away' to throw
things?" To help her understand the science behind the issue, you explain the:
A. First law of thermodynamics
B. Second law of thermodynamics
C. Principle of conservation of matter
D. Competitive exclusion principle - Answers - C
How do consumers harness the sun's power and use it as an energy source?
A. by exposing themselves to sunlight, sunbathing
B. by eating producers at the bottom of the food chain
C. absorption through the retina
D. by eating tertiary consumers at the top of the food chain
E. by producing vitamin D from sun exposure - Answers - B
Which of the following does NOT contribute to the fact that tertiary consumers are rare
in ecosystems compared to members of lower trophic levels?
A. Less food energy is available to the top trophic level than is available to preceding
levels.
B. Tertiary consumers need larger home ranges to satisfy their dietary needs
C. Tertiary consumers always have greater body mass than primary and secondary
consumers in a given system
D. Entropy tends to increase in all natural systems - Answers - C
According to the rule of 70, which growth rate would have the human population
doubling in 35 years?
A. 0.5%
B. 1%
C. 2%
D. 10%
E. 30% - Answers - C
