Soils & Agriculture Test

The very top layer of soil is mostly made of

• Solid rock

• Clay and mineral deposits

• A mixture of minerals and organic material

• Mostly organic material (humus)

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

The content of the soil, its depth and texture significantly influence agricultural activity

• TRUE

• FALSE

Tags

NGSS.MS-LS1-5

What name is given to the soil conservation technique used on steep slopes?

• Tilling

• Crop Rotation/ Shifting

• Terracing

• Windbreaks

Which of the following chemicals is used by farmers to protect their crops from pests?

• Pesticides

• Fertilizers

• Cow Manure

• Green Manure

Tags

NGSS.MS-LS2-5

Which of the following methods of farming enables farmers to grow different crops on the same land depending on the season?

• Crop rotation

• Drip irrigation

• Crop cultivation

• Ploughing

The bottom layer of soil is mostly made of

• Solid rock

• Clay and mineral deposits

• A mixture of minerals and organic material

• Mostly organic material (humus)

Besides weathering, how is soil created?

• Acid rain dissolves rocks

• Organisms like worms make room for air and water to enter

• Plants break down stones into smaller bits

• Rocks degrade over time

Soil formation is NOT influences by

• Topography

• Climate

• Texture

• Biological Activity

Which is NOT a characteristic of soil

• Color

• Clay Content

• Organic Material

• Texture