DSST Environmental Science Practice Test
2 Questions And Correct Answers Latest
Version 2024
Which of the following is a worldview holding that humans are separate from nature, that nature exists
mainly to meet our needs and increasing wants, and that we can use ingenuity and technology to
manage the earth's systems to meet our needs? Answer: Planetary management worldview
Reducing topsoil erosion and restoring fertility is the goal of which of the following? Answer: Soil
conservation
Which of the following is a chemical that specifically kills plants? Answer: Herbicide
Which of the following is a natural process that recycles nutrients in various chemical forms from the
abiotic environment to biotic organisms and then back to the abiotic environment? Answer:
Biogeochemical cycle
Hazard identification, determining probability of risk, and considering the consequences of risk are all
components of what? Answer: risk assessment
Which of the following terms describes unwanted or discarded material we produce, including garbage
or sludge from a wastewater treatment plant? Answer: Solid waste
Which of the following terms describes a species, such as raccoons, that can live in many different
places, eat a variety of foods, or tolerate a range of environmental conditions? Answer: Generalist
species
, Carnivores that feed on the flesh of other carnivores are known as what? Answer: Tertiary
consumers
Which of the following terms describes the normally gradual change and development of a species
structure over time in a given area? Answer: Ecological succession
Which of the following used the threat of trade sanctions to cut CFC production dramatically? Answer:
Montreal Protocol
Which of the following terms describes the general pattern of atmospheric conditions, such as
precipitation and temperature patterns, in a given area over periods ranging from at least 30 years to
thousands of years? Answer: Climate
Which of the following soil conservation practices involves planting alternating rows of two different
crops along the contours of the land—when one crop is harvested, the other remains to prevent water
from running off and carrying soil with it? Answer: Strip farming
In this process, light energy from the sun is used to combine atmospheric carbon dioxide and water to
produce oxygen and carbohydrates. Answer: Photosynthesis
A field in which a farmer has planted corn, soy, rye, and wheat on the same plot of land is known as
what? Answer: Polyculture
Compared to traditional subsistence agriculture, industrialized agriculture typically does what? Answer:
Produces higher levels of emission via fossil fuel use
Which of the following terms describes the process in which organisms that are better adapted to their
environment survive and are able to reproduce and pass these better adapted traits on to the next
generation? Answer: Natural selection
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