Composting

Description: Composting Quiz
Number of Questions: 15
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Tags: composting organic waste management environmental science
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What is the process of converting organic matter into a nutrient-rich soil amendment called?

  1. Composting

  2. Recycling

  3. Incineration

  4. Landfilling


Correct Option: A
Explanation:

Composting is the natural process of breaking down organic matter into a nutrient-rich soil amendment.

Which of the following materials can be composted?

  1. Food scraps

  2. Yard waste

  3. Paper products

  4. Plastic bags


Correct Option:
Explanation:

Food scraps and yard waste are organic materials that can be composted.

What is the ideal carbon-to-nitrogen ratio for composting?

  1. 10:1

  2. 20:1

  3. 30:1

  4. 40:1


Correct Option: C
Explanation:

The ideal carbon-to-nitrogen ratio for composting is 30:1.

What is the role of oxygen in the composting process?

  1. It helps break down organic matter.

  2. It prevents the growth of harmful bacteria.

  3. It generates heat.

  4. All of the above


Correct Option: D
Explanation:

Oxygen plays a crucial role in the composting process by helping break down organic matter, preventing the growth of harmful bacteria, and generating heat.

What is the purpose of turning a compost pile?

  1. To aerate the pile.

  2. To mix different materials together.

  3. To help the compost decompose faster.

  4. All of the above


Correct Option: D
Explanation:

Turning a compost pile helps aerate the pile, mix different materials together, and helps the compost decompose faster.

What is the ideal temperature range for composting?

  1. 40-60°C

  2. 60-80°C

  3. 80-100°C

  4. 100-120°C


Correct Option: A
Explanation:

The ideal temperature range for composting is 40-60°C.

What is the role of microorganisms in the composting process?

  1. They break down organic matter.

  2. They generate heat.

  3. They help mix different materials together.

  4. All of the above


Correct Option: D
Explanation:

Microorganisms play a crucial role in the composting process by breaking down organic matter, generating heat, and helping mix different materials together.

What is the final product of the composting process called?

  1. Compost

  2. Humus

  3. Mulch

  4. Fertilizer


Correct Option: A
Explanation:

The final product of the composting process is called compost.

What are some of the benefits of using compost?

  1. It improves soil structure.

  2. It adds nutrients to the soil.

  3. It helps retain moisture in the soil.

  4. All of the above


Correct Option: D
Explanation:

Compost has numerous benefits, including improving soil structure, adding nutrients to the soil, and helping retain moisture in the soil.

What is vermicomposting?

  1. Composting using worms.

  2. Composting using bacteria.

  3. Composting using fungi.

  4. Composting using insects.


Correct Option: A
Explanation:

Vermicomposting is the process of composting using worms.

What is the role of worms in vermicomposting?

  1. They break down organic matter.

  2. They generate heat.

  3. They help mix different materials together.

  4. All of the above


Correct Option: D
Explanation:

Worms play a crucial role in vermicomposting by breaking down organic matter, generating heat, and helping mix different materials together.

What is the ideal temperature range for vermicomposting?

  1. 15-25°C

  2. 25-35°C

  3. 35-45°C

  4. 45-55°C


Correct Option: B
Explanation:

The ideal temperature range for vermicomposting is 25-35°C.

What is the ideal moisture content for vermicomposting?

  1. 40-50%

  2. 50-60%

  3. 60-70%

  4. 70-80%


Correct Option: C
Explanation:

The ideal moisture content for vermicomposting is 60-70%.

What is the ideal pH range for vermicomposting?

  1. 5.0-6.0

  2. 6.0-7.0

  3. 7.0-8.0

  4. 8.0-9.0


Correct Option: B
Explanation:

The ideal pH range for vermicomposting is 6.0-7.0.

What are some of the benefits of using vermicompost?

  1. It improves soil structure.

  2. It adds nutrients to the soil.

  3. It helps retain moisture in the soil.

  4. All of the above


Correct Option: D
Explanation:

Vermicompost has numerous benefits, including improving soil structure, adding nutrients to the soil, and helping retain moisture in the soil.

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