Pollution and Pollution Control

Here are some MCQs on Pollution and Pollution Control

1. What is pollution?

a) The introduction of harmful substances or products into the environment

b) The presence of natural elements in the environment

c) The process of cleaning the environment

d) The protection of the environment from harm

2. Which of the following is a primary source of pollution?

a) Volcanic eruptions

b) Plant respiration

c) Factory emissions

d) Sunlight

3. Which of the following is a major air pollutant?

a) Nitrogen

b) Oxygen

c) Carbon dioxide

d) Sulfur dioxide

4. What is the main cause of water pollution?

a) Natural disasters

b) Industrial waste

c) Ocean currents

d) Sunlight

5. What is the leading cause of soil pollution?

a) Plant growth

b) Erosion

c) Weathering

d) Pesticide use