EM - Agriculture (Review 1)

1. Part 1: The soil

3. Soil has 4 main components:

Mineral Particles, Organic Content, air and ________ .

• Water

• Insects

• Crystals

• Silt

1. Part 1: The soil

3. Mineral particles are formed from the breakdown of ________.

• Oxygen

• Plant Roots

• Rocks

• Clay

1. Part 1: The soil

3. The rock form which soil is produced is called the _________ .

• Parent rock

• Father Rock

• Mother Rock

• Bedrock

1. Part 1: The soil

3. Rock is broken down by weathering. Acid rain breaking down rock is a kind of _________ weathering.

• Physical

• Chemical

• Biological

• Pollution

1. Part 1: The soil

3. Which organism will recycle nutrients and create channels in soil, increasing pore space?

• Grasshopper

• Slugs

• Earthworms

• Ants

1. Part 1: The soil

3. Which soil type has the largest pore spaces?

• Clay

• Silt

• Sand

• Loam

1. Part 1: The soil

3. Which soil type has a sticky texture?

• Clay

• Silt

• Sand

• Loam

1. Part 1: The soil

3. Which soil type will most likely have waterlogging or surface run-off?

• Clay

• Silt

• Sand

• Loam

1. Part 1: The soil

3. Which soil type do farmers most desire?

• Clay

• Silt

• Sand

• Loam

1. Part 1: The soil

3. Which soil type is free-draining?

• Clay

• Silt

• Sand

• Loam