Environmental Science Concepts Assessment

What is the purpose of a control group in an experiment?

• To ensure all test sites are identical

• To serve as a benchmark for comparison

• To introduce variables

• To increase the complexity of the experiment

Which location on the map would likely have the highest biological oxygen demand (BOD)?

• Site A

• Site B

• Site C

• Site D

Which soil composition is best for lining a landfill to protect groundwater?

• High percentage of silt

• High percentage of clay

• High percentage of sand

• Equal mix of sand, clay, and silt

Which soil texture has the greatest permeability?

• Soil with high sand content

• Soil with high clay content

• Soil with high silt content

• Soil with equal mix of sand, clay, and silt

Which soil type is best suited for growing a variety of crops?

• Soil with high sand content

• Soil with high clay content

• Loamy soil with a balance of sand, clay, and silt

• Soil with high silt content

Where are large quantities of methane hydrates likely to be found?

• Tropical rainforests

• Deserts

• Arctic regions

• Temperate forests

Which region would be most affected by a rise in sea level?

• Indian subcontinent

• Amazon Rainforest

• Sahara Desert

• Arctic

Which region is experiencing the largest average temperature increase due to anthropogenic climate change?

• Indian subcontinent

• Amazon Rainforest

• Sahara Desert

• Arctic

What does the graph of glyphosate use and resistant weeds indicate?

• Increased glyphosate use leads to higher crop yield

• Glyphosate use has decreased over time

• Glyphosate use has decreased due to higher costs

• Glyphosate use has selected for herbicide-resistant weeds

How do herbicides most likely affect amphibian populations?

• They are fat soluble and accumulate in groundwater

• They act as endocrine disruptors

• They contain heavy metals

• They act as plant nutrients causing algal growth