Soil Erosion Quiz 2 (Form 1, Biology)

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Soil erosion & conservation basics.

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Soil Erosion Quiz 2 (Form 1, Biology)


Froggy Jumps Soil Erosion Quiz 2 (Form 1, Biology)Version en ligne Soil erosion & conservation basics. par YAKILI LMS 1 What is soil erosion? a Loss of soil by water or wind b Soil color change c Soil formation process 2 Which is a major cause of soil erosion? a Deep plowing b Water runoff c Mulching 3 Why is soil conservation important? a Increases salinity b Wastes water c Preserves fertility for crops 4 Which method reduces erosion on slopes? a Clear-felling b Terracing c Monocropping 5 What does contour farming do? a Increase slope length b Follow field contours to reduce runoff c Remove plant cover 6 Which practice uses plant cover to protect soil? a Bare fallow b Cover crops c Overgrazing 7 What is crop rotation? a Fallowing forever b Alternating crops in a field over years c Planting only one crop 8 Mulching helps soil how? a Increases erosion b Conserves moisture and reduces erosion c Washes away nutrients 9 What is a windbreak? a A soil test method b A row of trees to reduce wind erosion c A type of fertilizer 10 Which soil conservation method uses trees? a Crop spraying b Afforestation c Deforestation 11 Which practice reduces runoff by delaying water? a Terrace farming b Broadcast seeding c Tilling deep 12 What is rill erosion? a Small channels formed by running water b Soil color change c Folding of soil by wind 13 What is gully erosion? a Large channels carved by heavy flow b Wind-blown dust c Soil settling event 14 Which is a soil conservation tool? a Harrow blade b Pesticide drum c Silt fence 15 What does minimum tillage do? a Increases weed growth only b Disturbs soil less and reduces erosion c Removes topsoil entirely 16 Why practice proper grazing management? a Increases soil compaction b Prevents overgrazing and protects soil c Degrades soil structure 17 What is a retaining structure used for erosion control? a Check dam b Seed drill c Broadcast spreader 18 Which method adds organic matter to soil? a Mounding b Diking c Composting 19 Resource planning in soil conservation aims to? a Harvest more water only b Ignore land limits c Make wise use of land resources 20 Which season practice reduces erosion in rainstorms? a Planting cover crops before rains b Removing all vegetation c Plowing after rains 21 What is sedimentation? a Soil compaction b Deposition of soil in water bodies c Soil weathering 22 Which farming technique minimizes soil loss on sloping land? a Mono-cropping b Deep plowing c Agroforestry 23 What role do grasses play in erosion control? a Remove nutrients b Protect bare soil with roots c Increase surface runoff 24 Which is a water-conserving irrigation method? a Sprinkler misuse b Flood irrigation c Drip irrigation 25 What does soil structure refer to? a Soil color only b Water content only c Arrangement of soil particles 26 Which characteristic reduces erosion risk? a Soil with good cover b Stony pavement c Compacted bare soil 27 What is agroforestry? a Trees grown with crops or livestock b Tree pruning practice c Forest clearing only 28 Which method uses stone bands on slopes? a Chemical barriers b Stone bunds c Net fencing 29 What is soil fertility? a Color of soil b Ability to support plant growth c Only moisture content 30 Which practice improves soil organic matter? a Raising pH with lime alone b Empty field c Adding compost 31 Which crop residue helps soil cover? a Fresh weed growth b Stubble c Only seeds 32 What is sediment load? a Amount of soil carried by water b Rate of rainfall c Amount of water 33 Which is a soil conservation land-use plan step? a Urban zoning b Harvest optimization c Soil mapping 34 Which of the following reduces wind erosion? a Bare soil patches b Open fields c Windbreaks 35 What is a buffer strip? a Bare soil zone b Road shoulder c Vegetated area to trap sediment 36 Which measurement helps plan soil conservation? a Soil erosion rate b Color hue c Plant height 37 Which practice is best after heavy rainfall? a Flatten fields b Leave patches bare c Re-seed bare patches 38 What is contour plowing? a Plowing up and down slopes b Plowing along the land’s contours c No plowing at all 39 Which factor increases soil erosion risk? a Dense forest cover b Heavy rainfall on bare soil c Mulched beds 40 What is soil conservation education? a Teaching practices to protect soil b Measuring soil pH only c Advertising soil products 41 Which structure slows runoff speed? a Drain pipes b Check dams c Soil scraping 42 Which is NOT a soil conservation method? a Terracing b Prolonged soil disturbance c Mulching 43 What does reducin g tillage do? a Preserves soil structure b Removes soil layer c Increases erosion 44 Which crop practice benefits soil long-term? a Monocropping b Intercropping c Deep plowing only 45 Which soil layer is most affected by erosion? a Bedrock b Topsoil c Subsoil 46 What is a vegetative filter strip? a Grassy area to trap sediment b Open water channel c Concrete barrier 47 Which season is ideal for soil conservation planning? a Rainy season b Dry season c Winter 48 Resource planning in soil conservation focuses on? a Sustainable land use b Expand cropland indefinitely c Maximize grazing only 49 Which practice reduces soil compaction? a Frequent heavy traffic b Controlled traffic farming c Continuous grazing 50 What is the purpose of riverbank stabilization? a Increase water speed b Prevent sediment entering water c Encourage sediment loss

Soil Erosion Quiz 2 (Form 1, Biology)

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Soil Erosion Quiz 2 (Form 1, Biology)Version en ligne

par YAKILI LMS

What is soil erosion?

Which is a major cause of soil erosion?

Why is soil conservation important?

Which method reduces erosion on slopes?

What does contour farming do?

Which practice uses plant cover to protect soil?

What is crop rotation?

Mulching helps soil how?

What is a windbreak?

Which soil conservation method uses trees?

Which practice reduces runoff by delaying water?

What is rill erosion?

What is gully erosion?

Which is a soil conservation tool?

What does minimum tillage do?

Why practice proper grazing management?

What is a retaining structure used for erosion control?

Which method adds organic matter to soil?

Resource planning in soil conservation aims to?

Which season practice reduces erosion in rainstorms?

What is sedimentation?

Which farming technique minimizes soil loss on sloping land?

What role do grasses play in erosion control?

Which is a water-conserving irrigation method?

What does soil structure refer to?

Which characteristic reduces erosion risk?

What is agroforestry?

Which method uses stone bands on slopes?

What is soil fertility?

Which practice improves soil organic matter?

Which crop residue helps soil cover?

What is sediment load?

Which is a soil conservation land-use plan step?

Which of the following reduces wind erosion?

What is a buffer strip?

Which measurement helps plan soil conservation?

Which practice is best after heavy rainfall?

What is contour plowing?

Which factor increases soil erosion risk?

What is soil conservation education?

Which structure slows runoff speed?

Which is NOT a soil conservation method?

What does reducin g tillage do?

Which crop practice benefits soil long-term?

Which soil layer is most affected by erosion?

What is a vegetative filter strip?

Which season is ideal for soil conservation planning?

Resource planning in soil conservation focuses on?

Which practice reduces soil compaction?

What is the purpose of riverbank stabilization?