Soil -Properties

Soil Erosion is a process of_______________

• Soil formation

• Soil Pollution

• Weathering

• removal of top layer of soil

Which of the following does not cause soil erosion?

• Deforestation

• Dense Vegetation

• Over Grazing

• winds

Which types of soil are suitable for the growth of wheat ?

• Sandy soil

• clayey and loamy soil

• sandy and loamy

• none of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If it takes 20 minutes for 400ml of water to percolate through the soil , calculate the percolation rate.

• 10 ml/min

• 15 ml/min

• 20 ml/min

• 25 ml/min

Many plants cannot grow in sandy soil.Why is the above statement true ?

• It does not hold enough water

• Air cannot pass through the sandy soil

• Roots cannot push easily through the soil

• Sandy soil has too many nutrients.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Which type of soil can hold greatest amount of water?

• Sandy soil

• loamy soil

• clayey soil

• All of the above have the same water holding capacity

Jessica is describing a mystery soil. It is dark brown colored, soft / fluffy in texture, with medium-sized particles. The soil drains some water, but does not dry out too quickly or stay too soggy. Which type of soil is she describing?

• clay

• sandy

• loamy

• humus