Environmental Impact Assessment (EIA) Lecture 3 Quiz: Water and Land Pollution

What is water pollution?

The presence of suspended matter in water
The presence of only toxic pollutants in water
The depletion of oxygen in water bodies
Any change in the physical, chemical, and biological properties of water (correct)

Which of the following is a type of surface water pollution?

Microbiological pollution
Thermal pollution
Groundwater pollution
Nutrients pollution (correct)

What are the sources of surface water pollution?

Direct discharges of waste from industrial sources or sewage systems (correct)
Excessive rainfall causing flooding
Polluted groundwater reaching the surface through a spring
Accumulation of oxygen in water bodies

How does polluted surface water affect animals and humans?

By affecting their health when they drink or bathe in polluted water (D) Signup and view all the answers

What is storm water runoff?

Rainwater that becomes polluted when it comes into contact with polluted soil and carries polluted particles (B) Signup and view all the answers

What is an effect of thermal pollution?

Increase in water temperature leading to harm to aquatic life (A) Signup and view all the answers

What is one of the methods to prevent further discharges from polluted sources and enable natural processes to remove the existing pollution?

Purification approaches such as mixing and aeration (A) Signup and view all the answers

What is a common agricultural source of groundwater contamination?

Animal wastes (A) Signup and view all the answers

Which compounds stimulate plant growth and can become pollutants in high concentrations?

Nitrogen and phosphorus (D) Signup and view all the answers

What is the effect of too much nitrogen and phosphorus in the water?

Causes algae to grow and harm water quality (D) Signup and view all the answers

What type of pollutants do not easily dissolve in water and can harm aquatic life that live at the floor of water bodies?

Particulate matter (D) Signup and view all the answers

What is one of the sources of nutrients pollution?

Agriculture: Animal wastes, excess fertilizer applied to crops and fields, and soil erosion (D) Signup and view all the answers

What occurs when too much algae grows in the water?

It uses up all the oxygen in the water and other water organisms will die (B) Signup and view all the answers

Which type of water pollution involves the addition of harmful substances to natural water bodies like rivers and lakes?

Surface water pollution (A) Signup and view all the answers

What is the effect of polluted surface water on aquatic organisms like fish?

They accumulate and concentrate pollutants in their bodies (D) Signup and view all the answers

Which source of surface water pollution involves waste discharge from industrial sources or sewage systems?

Direct discharges of waste from industrial sources or sewage systems (B) Signup and view all the answers

What is the type of pollution that occurs when rainwater comes into contact with polluted soil and carries particles into the water?

Suspended matter pollution (D) Signup and view all the answers

What is the primary factor that makes ground water pollution different from surface water pollution?

Polluted groundwater reaching the surface through a spring (B) Signup and view all the answers

What occurs when too much algae grows in the water as a result of nutrient pollution?

Depletion of oxygen levels leading to fish kills (C) Signup and view all the answers

What is the primary method for removing surface water pollution?

Purification approaches such as mixing and aeration (C) Signup and view all the answers

Which of the following is a source of ground water pollution?

Transportation and storage of material used in manufacturing (D) Signup and view all the answers

What effect does too much algae growth have on water quality?

Causes water to become undrinkable (D) Signup and view all the answers

What are the primary sources of nutrient pollution?

Runoff from stormwater and precipitation (C) Signup and view all the answers

How does excessive nitrogen and phosphorus in the water impact aquatic life?

Causes algae to grow excessively, depleting oxygen levels (A) Signup and view all the answers

What is the main characteristic of suspended matter pollution?

It remains suspended and later settles under the water body (B) Signup and view all the answers

What is the impact of suspended particles settling at the bottom of a water body?

Can harm and even kill aquatic life at the bottom (D) Signup and view all the answers

What are some industrial sources of groundwater contamination?

Transportation and storage of materials used in manufacturing (C) Signup and view all the answers

What are considered as nutrients that stimulate plant growth but can become pollutants in high concentrations?

Nitrogen and phosphorous (D) Signup and view all the answers

What type of pollutants are not affected by natural processes and may require purification approaches?

Pollutants that do not easily dissolve in water (B) Signup and view all the answers