KSB 3 (Water) Quiz Review

What are physical contaminants primarily known to affect in water?

• The chemical composition of water

• The appearance or other physical properties of water

• The biological organisms in water

• The temperature of water

Which of the following is a common source of sediment contamination in water?

• Industrial waste

• Soil erosion

• Oil spills

• Plastic waste

Which of the following is NOT a way that physical contaminants can enter water bodies?

• Erosion

• Industrial waste dumping

• Runoff from farmland

• Evaporation

What is a common effect of physical contamination on aquatic wildlife?

• Increased oxygen levels

• Clogged gills in fish

• Enhanced visibility

• Improved taste of water

Which of the following is an example of a chemical contaminant?

• Sediment

• Mercury

• Bacteria

• Parasites

Which metal is considered a major threat to human health when found as a chemical contaminant in water?

• Iron

• Copper

• Lead

• Aluminum

What is a common source of biological contaminants in water?

• Industrial waste

• Human and animal feces

• Plastic waste

• Oil spills

Which of the following is a type of biological contaminant?

• Sediment

• Pesticides

• Bacteria

• Metals

What is a common effect of biological contamination on human health?

• Improved digestion

• Increased energy levels

• Illness and diseases

• Enhanced immune system

Which of the following is a beneficial role of bacteria in water?

• Causing diseases

• Decomposing waste

• Increasing water temperature

• Reducing oxygen levels