Water Pollution Test

This bacteria when found in water is a strong indicator of contamination

• Fecal coliform

• Non pathogenic bacteria

• Phytoplanktons

• Micro Planktons

What happens to the excess fertilizers when water flows from crops into local streams and rivers?

• They accumulate in the water bodies

• They sink to the bottom of the water bodies

• They evaporate into the air

• They get absorbed by the soil

Tags

NGSS.MS-LS2-1

What is the consequence of oxygen depletion in water due to eutrophication?

• Enhanced biodiversity

• Improved water quality

• Increased fish population

• Formation of dead zones

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

How does low Dissolved Oxygen levels affect organisms?

• Organisms may die or have to leave if levels get too low

• Organisms go through more cellular respiration

• Organisms eat more

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The use of pesticides and fertilizers is carefully monitored because of the effect they can have on the environment. Which of the following is a possible negative effect of the use of these chemical on the environment?

• These chemicals are expensive to produce.

• Runoff carries these chemicals into lakes and streams.

• Storage space for these chemicals is limited.

• Theses chemicals cannot be purchased in large bulk.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The picture illustrates nonpoint source pollution.

• True

• False

Tags

NGSS.MS-ESS3-4

Pollution that comes from MANY different places and is hard to identify its source.

• Point

• Non-Point

Pollution that comes from a single source

• Point

• Non-Point

Chemicals released from an Industrial Plant directly into a river

• Point

• Non-Point

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

What does a SAG curve graphically represent?

• The migration patterns of aquatic life

• The seasonal changes in river water levels

• The temperature variations in a marine environment

• The effect of organic pollution on a river's dissolved oxygen and BOD