Environmental Pollution

Question 1

What is a pollutant?

Answer 1

A pollutant is any substance or form of energy that causes harm or discomfort to organisms or the environment when introduced.

Question 2

What are the effects of carbon monoxide (CO) pollution?

Answer 2

Carbon monoxide can cause headaches, dizziness, and even death by preventing oxygen from being carried in the blood.

Question 2

What are the effects of pollutants on the environment?

Answer 2

Pollutants can cause air, water, and soil contamination, harm to wildlife, human health issues, and contribute to climate change.

Question 2

What are some common sources of pollutants?

Answer 2

Common sources include industrial emissions, vehicle exhaust, agricultural runoff, and waste disposal.

Question 2

Name some common air pollutants.

Answer 2

Common air pollutants include hydrogen sulfide (H₂S), carbon monoxide (CO), sulfur dioxide (SO₂), oxides of nitrogen (NOₓ), chlorofluorocarbons (CFCs), and dust.

Question 2

What is air pollution?

Answer 2

Air pollution is the presence of harmful substances in the air that can cause harm to humans, animals, and the environment.

Question 2

What are the effects of sulfur dioxide (SO₂) pollution?

Answer 2

Sulfur dioxide can cause respiratory problems and contributes to acid rain, which damages crops, forests, and aquatic life.

Question 3

How does sewage pollution affect water bodies?

Answer 3

Sewage pollution can lead to the growth of harmful bacteria and algae, which deplete oxygen levels, harming aquatic life.

Question 3

What are the effects of oil pollution in water?

Answer 3

Oil pollution harms marine life by coating their bodies, reducing buoyancy, and blocking sunlight needed for photosynthesis in aquatic plants.

Question 3

Q: How do oxides of nitrogen (NOₓ) affect the environment?

Answer 3

Oxides of nitrogen contribute to the formation of smog, acid rain, and can cause respiratory issues.

Question 3

What is the impact of chlorofluorocarbons (CFCs) on the environment?

Answer 3

CFCs damage the ozone layer, leading to increased UV radiation reaching the Earth, which can cause skin cancer and harm ecosystems.

Question 3

What is water pollution?

Answer 3

Water pollution is the contamination of water bodies such as rivers, lakes, and oceans by harmful substances.

Question 3

What are the sources of water pollution?

Answer 3

Sources include sewage discharge, industrial waste, agricultural runoff, and oil spills.

Question 3

What is soil pollution?

Answer 3

Soil pollution is the contamination of soil with harmful substances that can negatively affect plant growth, wildlife, and human health.

Question 3

What are some common causes of soil pollution?

Answer 3

Common causes include oil spills, improper disposal of industrial waste, and the use of pesticides and fertilizers.

Question 4

What is the difference between biodegradable and non-biodegradable pollutants?

Answer 4

Biodegradable pollutants can be broken down naturally by microorganisms, while non-biodegradable pollutants cannot, leading to long-term environmental harm.

Question 4

How can you identify different types of pollution and pollutants?

Answer 4

Pollution can be categorized based on the environment it affects (air, water, soil), and pollutants can be identified by their source and chemical nature (e.g., CO, SO₂).

Question 4

What is the impact of oil spillage on soil?

Answer 4

Oil spillage can render soil infertile, harm plant life, and contaminate groundwater, making it unsafe for consumption.

Question 4

What are some sources of pollutants?

Answer 4

Sources include industrial emissions, agricultural runoff, vehicle exhaust, sewage discharge, and chemical spills.

Question 4

How can you classify pollutants as biodegradable or non-biodegradable?

Answer 4

Biodegradable pollutants break down naturally (e.g., organic waste), while non-biodegradable pollutants persist in the environment (e.g., plastics, heavy metals).

Question 4

What are the effects of pollution on the environment?

Answer 4

Effects include damage to ecosystems, harm to wildlife and humans, water and soil degradation, and contribution to climate change.

Question 5

What are some measures for controlling environmental pollution?

Answer 5

Measures include reducing emissions, treating wastewater, proper waste disposal, using eco-friendly products, and enforcing environmental regulations.