Soil Pollution and Conservation Quiz

What are some common sources of soil pollution?

• Solar radiation

• Wind erosion

• Industrial waste and chemicals

• Natural disasters

How does soil pollution affect agricultural land?

• Enhances microorganism diversity

• Reduces crop yield and causes erosion

• Increases crop yield

• Improves soil structure

Which of the following is NOT a method to control soil pollution?

• Increase pesticide use

• Reuse materials

• Reduce chemical fertilizers

• Recycle waste

What is the purpose of pyrolysis in waste management?

• To combust waste in the absence of oxygen

• To decompose waste anaerobically

• To burn waste in the presence of oxygen

• To increase soil fertility

Which technique helps prevent soil erosion by wind?

• Building terraces

• Watering the soil

• Using chemical fertilizers

• Practicing monoculture

What is the role of earthworms in soil conservation?

• They compact the soil

• They decrease soil pH

• They enhance macronutrient availability

• They increase soil salinity

What is the impact of salinity on crops?

• Enhances growth

• Has no effect

• Negatively affects metabolism

• Improves soil structure

Which method is used to create terraces without mortar?

• Dry stone walking

• No-till farming

• Crop rotation

• Contour plowing

What is the benefit of crop rotation?

• Balances soil fertility

• Increases pesticide use

• Increases soil compaction

• Reduces soil pH

How does contour plowing help in soil conservation?

• Increases water runoff

• Prevents soil from being washed away

• Reduces microorganism diversity

• Compacts the soil