Question 1

Which of the following human activities is most likely to have a harmful impact on groundwater quality in a watershed?

Accepted Answer

Using fertilizers and pesticides on farmland.

Answer

Planting native trees along riverbanks.

Answer

Implementing wastewater treatment systems.

Question 2

How can constructing wetlands be a beneficial human activity within a watershed?

Accepted Answer

They help filter pollutants and improve water quality.

Answer

They prevent all flooding in the area.

Answer

They increase the speed of water flow.

Question 3

What is one negative effect of urban development on surface water in a watershed?

Accepted Answer

Increased pollution from stormwater runoff.

Answer

Better filtration of pollutants by plants.

Answer

Increased natural habitats for wildlife.

Question 4

Which action can individuals take to reduce harmful influences on groundwater in their watershed?

Accepted Answer

Properly dispose of household chemicals instead of pouring them down the drain.

Answer

Increase the amount of pavement in their backyard.

Answer

Use more water for landscaping.

Question 5

How does deforestation within a watershed potentially harm surface water quality?

Accepted Answer

It leads to increased sedimentation in rivers and lakes.

Answer

It decreases water temperature fluctuations.

Answer

It promotes the growth of aquatic plants.

Question 6

What is one way that agricultural runoff can negatively affect aquatic ecosystems in a watershed?

Accepted Answer

It can lead to algal blooms that reduce oxygen levels in water.

Answer

It can increase biodiversity in the water.

Answer

It helps fish population to grow faster.

Question 7

Which practice can help mitigate the harmful effects of human activities on a watershed?

Accepted Answer

Implementing buffer zones with vegetation along waterways.

Answer

Connecting more industrial discharge points directly to rivers.

Answer

Paving more areas to prevent soil erosion.

Question 8

What is a common effect of excessive groundwater extraction on a local watershed?

Accepted Answer

It can cause the depletion of nearby streams and rivers.

Answer

It increases groundwater recharge rates.

Answer

It improves soil moisture levels for plants.

Question 9

How does livestock overgrazing potentially degrade water quality in a watershed?

Accepted Answer

It increases soil erosion, leading to sedimentation in water bodies.

Answer

It enhances the filtration capacity of the land.

Answer

It promotes faster river flow, which naturally cleans water.

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