Soil, forestry, agriculture and sustainabillity review

What is the primary component of soil that supports plant growth by providing essential nutrients?

• Sand

• Silt

• Clay

• Organic matter

Soil degradation can be caused by which of the following practices?

• Crop rotation

• Overgrazing

• Conservation tillage

• Contour plowing

Which soil conservation method involves planting different crops in alternating bands across a hillside?

• Terracing

• Crop rotation

• Strip cropping

• Shelterbelts

In a farm setting, what is the process called that converts atmospheric nitrogen into a form that crops can absorb and use?

• Photosynthesis

• Nitrogen fixation

• Respiration

• Transpiration

Which agricultural practice is most sustainable in terms of preserving soil health?

• Monoculture

• Polyculture

• Intensive tillage

• Use of synthetic fertilizers

What is the main goal of sustainable agriculture?

• To increase the use of chemical pesticides

• To maximize crop yield at any cost

• To maintain healthy soil, clean water, and genetic diversity

• To focus solely on plant-based food production

Forests provide which of the following ecosystem services?

• Carbon storage

• Air purification

• Water cycle regulation

• All of the above

What is the primary cause of deforestation globally?

• Urban expansion

• Agricultural expansion

• Natural wildfires

• Logging for paper production

Which forest management practice involves the selective cutting of mature trees?

• Clear-cutting

• Shelterwood cutting

• Seed-tree cutting

• Selective cutting

What is agroforestry?

• The study of trees

• A conservation effort to plant trees in urban areas

• A sustainable land-use system that combines agriculture and forestry

• The commercial production of tree fruits and nuts