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WorksheetsPLS 2- Chapter #15- Soils and the Environment
Total questions: 10
Worksheet time: 5mins
What is the role of soil in ecosystem services?
It has no significant role.
It is only responsible for water filtration.
It only supports plant growth.
It acts as a link between air, water, rocks, and organisms.
How does soil contribute to air quality?
By absorbing all pollutants.
By releasing harmful gases.
By increasing the amount of dust in the air.
By preventing erosion and reducing dust particles.
What happens to soil temperature in colder regions?
It only affects plant growth.
It has no effect on biological and chemical reactions.
It decreases biological and chemical reactions.
It increases biological and chemical reactions.
What is the significance of carbon stored in soil?
It is only important for plant growth.
It has no impact on the environment.
It is nearly 5 times more than the carbon stored in plants.
It is less than the carbon stored in plants.
How does soil act as a water filter?
By absorbing all water and not releasing it.
By allowing all water to pass through without any filtration.
By capturing contaminants and cleaning the water.
By only filtering rainwater.
What can result from the application of excess fertilizers?
Improved water quality.
Runoff to streams and rivers or contamination of groundwater.
No effect on water systems.
Increased plant growth without any side effects.
What role does soil play in waste decomposition?
It converts waste products into new materials.
It has no role in waste decomposition.
It stores waste products indefinitely.
It only decomposes plant waste.
How does soil affect military operations in desert regions?
By providing a clear view for all vehicles.
By creating dust clouds that can hide armies and tanks.
By reducing the amount of dust in the air.
By increasing the lifespan of tank engines.
What is the impact of excess phosphate in freshwater systems?
It stimulates the growth of photosynthetic organisms, blocking light and consuming oxygen.
It has no impact on the ecosystem.
It only affects fish populations.
It improves water clarity.
What is the function of soil in habitat creation?
It only supports animal habitats.
It only provides water to plants.
It provides heat, nutrients, and water for plant growth, forming ecosystems.
It has no role in habitat creation.
