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AP ENVIRONMENTAL SCIENCE EXAM QUESTIONS AND ANSWERS
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AP ENVIRONMENTAL SCIENCE EXAM QUESTIONS AND ANSWERS
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AP ENVIRONMENTAL SCIENCE EXAMQUESTIONS AND ANSWERS
Which of the following events has increased the impact of humans on the environment?
1. Advances in technology
2. Reduced human population growth
3. Use of tools for hunting - Answer-D. 1 and 3 only
As described in this chapter environmental indicators...
A. always tell us what is causing an environmental change
B. can be used to analyze the health of natural systems
C. are useful only when studying large-scale changes - Answer-B. can be used to
analyze the health of natural systems
Which statement regarding a global enviornmental indicator is not correct?
A. Concentrations of atmospheric carbon dioxide have been rising quite steadily since
the Industrial Revolution
B. World grain production has increased fairly steadily since 1950, but worldwide
production of grain per capita has decreased dramatically over the same period.
C. World population is expected to be between 8.1 billion and 9.6 billion by 2050. -
Answer-B. world grain production has increased fairly steadily since 1950, but
worldwide production of grain per capita has decreased dramatically over the same
period
Figure 1.8 shows atmosphere carbon dioxide concentrations over time. The measured
concentration of CO2 in the atmosphere is an example of... - Answer-B. an
environmental indicator
In science, which of the following is the most certain? - Answer-C. natural law
All of the following would be exclusively caused by anthropogenic activities except
(a) combustion of fossil fuels.
(b) overuse of resources such as uranium.
(c) forest clearing for crops.
(d) air pollution from burning oil.
(e) forest fires - Answer-E. forest fires
Use figure 1.6 to calculate the approximate percentage change in world grain
production per person between 1950 and 2000. - Answer-B. 20 percent
The populations of some endangered animal species have stabilized or increased in
numbers after human intervention. An example of a species that is still endangered and
need further assistance to recover is the... - Answer-E. snow leopard
, Before the researchers began the experiment, they formulated a null hypothesis. The
best null hypothesis for the experiment would be that caffeine... - Answer-A. has no
observable effect on the pulse rate if an individual
After analyzing the results of the experiment, the most appropriate conclusion would be
that caffeine... - Answer-A. increased pulse rates of the 18 yr old males tested
Which of the following is not an example of an abiotic component of an ecosystem?: (a)
Water, (b) Minerals, (c) Sunlight, (d) Fungi, (e) Air - Answer-D. fungi
Which of the following is not characteristic of ecosystems?: (a) Biotic components, (b)
Abiotic components, (c) Recycling of matter, (d) Distinct boundaries, (e) A wide range of
sizes - Answer-D. distinct boundaries
Which biogeochemical cycle(s) does not have a gaseous component?
1. potassium
2. sulfur
3.phosphorus - Answer-E. 1 and 3 only
At which trophic level are eagles that consume fish that eat algae? - Answer-D.
secondary consumers
At which trophic level do organisms use a process that produces oxygen as a waste
product? - Answer-A. producers
At which trophic level are dragonflies that consume mosquitoes that feed on
herbivorous mammals? - Answer-E. tertiary consumers
Beginning at the lowest trophic level, arrange the following food chain found on the
Serengeti Plain of Africa in the correct sequence. - Answer-A. shrubs-gazelles-
cheetahs-decomposers
Which macronutrient is required by humans in the largest amounts? - Answer-B.
nitrogen
Roughly what percentage of incoming solar energy is converted into chemical energy by
producers? - Answer-E. 1
The net primary productivity of an ecosystem in 1 kg C/M2/year, and the energy needed
by the producers for their own respiration is 1.5 kg C/M2/year. The gross primary
productivity of such an ecosystem would be... - Answer-E. 2.5 kg C/M2/year
An ecosystem has an ecological efficiency of 10%. If the producer level contains 10,000
kilocalories of energy, how much energy does the tertiary consumer level contain? -
Answer-B. 10 kcal
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