A Trivia Quiz For Soil Enthusiasts!

2.

What can farmers do to change the soil?

Grow plants
Add fertilizer
Dig holes
Remove plants

Correct Answer

A. Add fertilizer

Explanation

Farmers can change the soil by adding fertilizer. Fertilizers contain essential nutrients such as nitrogen, phosphorus, and potassium, which are necessary for plant growth. When farmers add fertilizer to the soil, it enriches the nutrient content, improving the soil's fertility. This helps plants to grow healthier and increases their yield. Fertilizers also enhance the soil's ability to retain moisture and improve its structure, promoting better root development. Overall, adding fertilizer is a common practice among farmers to improve the quality and productivity of the soil.

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3.

The soil is made up of four main ingredients. Choose the correct list of ingredients

Air, water, tiny pieces of rock, and manure
Tiny pieces of rock, humus, air and sand
Humus, or dead plant material, clay, water, and salts
Tiny pieces of rock, air, water, and humus or dead plant material

Correct Answer

A. Tiny pieces of rock, air, water, and humus or dead plant material

Explanation

The correct answer is "Tiny pieces of rock, air, water, and humus or dead plant material." This is because soil is composed of mineral particles (tiny pieces of rock), air, water, and organic matter (humus or dead plant material). These ingredients provide the necessary nutrients and support for plant growth.

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4.

Choose three organisms that live in the soil

Worms
Moles
Bacteria
Cats

Correct Answer(s)

A. Worms
A. Moles
A. Bacteria

Explanation

The correct answer is Worms, Moles, and Bacteria. These three organisms are commonly found in soil ecosystems. Worms play a vital role in soil health by breaking down organic matter and improving soil structure. Moles are burrowing mammals that live underground and contribute to soil aeration. Bacteria are microorganisms that inhabit soil and are involved in nutrient cycling and decomposition processes. Cats, on the other hand, are not typically considered soil-dwelling organisms.

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5.

This type of soil dries out quickly after a rainstorm.

Clay
Loam
Sand
None

Correct Answer

A. Sand

Explanation

Sand is the correct answer because it has large particles with plenty of space between them. This allows water to drain quickly through the soil, preventing it from being retained for long periods. As a result, sand dries out quickly after a rainstorm. Clay, on the other hand, has small particles that are tightly packed, causing it to retain water for longer periods and dry out more slowly. Loam is a mixture of sand, silt, and clay, which can hold water but also drain well.

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6.

This type of soil can become as hard as stone when it dries out

Clay
Loam
Sand
None

Correct Answer

A. Clay

Explanation

Clay soil has a high percentage of fine particles, which allows it to retain water and become sticky when wet. However, when clay soil dries out, it shrinks and compacts, resulting in a hard and compacted surface that can be as hard as stone. This is because the small particles in clay soil are tightly packed together, leaving little space for air or water to penetrate. As a result, clay soil becomes hard and difficult to work with when it dries out.

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7.

This soil ingredient is made up of decayed plants and animals

Air
Humus
Minerals
Water

Correct Answer

A. Humus

Explanation

Humus is the correct answer because it is a soil ingredient that is formed by the decomposition of organic matter such as plants and animals. It is a dark, organic material that is rich in nutrients and helps to improve soil fertility. Humus also enhances the soil's ability to retain moisture and promotes the growth of beneficial microorganisms.

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8.

What is soil erosion?

The way soil is formed
A process that moves soil by wind and water away from where it is needed
Another name for the greenhouse effect
Another name for soil pollution

Correct Answer

A. A process that moves soil by wind and water away from where it is needed

Explanation

Soil erosion is the process by which soil is moved and carried away by wind and water from its original location. This can occur due to natural factors such as wind and rain, as well as human activities like deforestation and improper land management. Soil erosion can have detrimental effects on agriculture, as it leads to loss of fertile topsoil and reduces the ability of the land to support plant growth. Therefore, it is important to implement measures to prevent and control soil erosion in order to maintain soil quality and productivity.

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9.

What are the three main layers in a soil profile?

Minerals, humus, and air
Topsoil, subsoil, and parent material
Loam, sand, and clay
None

Correct Answer

A. Topsoil, subsoil, and parent material

Explanation

The three main layers in a soil profile are topsoil, subsoil, and parent material. Topsoil is the uppermost layer of soil that contains the highest amount of organic matter and nutrients. Subsoil is the layer beneath the topsoil, which is less fertile and contains less organic matter. Parent material is the layer at the bottom, which is the source of the soil and is made up of weathered rocks and minerals. These three layers play a crucial role in determining the fertility and composition of the soil.

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10.

The soil is formed by the breaking up of rocks into tiny pieces, which is called weathering. What are three things that can cause this weathering?

Wind
Water
Heating and cooling of the rock
Lightning

Correct Answer(s)

A. Wind
A. Water
A. Heating and cooling of the rock

Explanation

Weathering is the process of breaking down rocks into smaller pieces. Wind can cause weathering by carrying small particles and abrasive materials that can erode the surface of rocks. Water can cause weathering through processes like freeze-thaw, where water seeps into cracks in rocks, freezes, and expands, causing the rock to break apart. Heating and cooling of the rock can cause weathering because when rocks are exposed to extreme temperatures, they expand and contract, leading to cracks and eventual breakdown. Lightning, on the other hand, does not directly cause weathering as it is a sudden discharge of electricity in the atmosphere.

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A Trivia Quiz For Soil Enthusiasts!

What type of soil is best for growing plants?

Quiz Preview

What can farmers do to change the soil?

The soil is made up of four main ingredients. Choose the correct list of ingredients

Choose three organisms that live in the soil

This type of soil dries out quickly after a rainstorm.

This type of soil can become as hard as stone when it dries out

This soil ingredient is made up of decayed plants and animals

What is soil erosion?

What are the three main layers in a soil profile?

The soil is formed by the breaking up of rocks into tiny pieces, which is called weathering. What are three things that can cause this weathering?