0

Composting: Transforming Organic Waste into Valuable Resources

Description: Composting: Transforming Organic Waste into Valuable Resources
Number of Questions: 15
Created by:
Tags: composting organic waste recycling environmental science
Attempted 0/15 Correct 0 Score 0

What is the process of composting?

  1. Decomposing organic matter under controlled conditions

  2. Burning organic matter to produce energy

  3. Landfilling organic matter

  4. Recycling organic matter into new products


Correct Option: A
Explanation:

Composting is a natural process that involves the decomposition of organic matter by microorganisms, such as bacteria and fungi, under controlled conditions.

What are the main ingredients used in composting?

  1. Organic waste, such as food scraps and yard waste

  2. Chemical fertilizers

  3. Pesticides

  4. Herbicides


Correct Option: A
Explanation:

Composting requires organic waste, such as food scraps, yard waste, and paper products, as the main ingredients.

What are the ideal conditions for composting?

  1. Warm and moist environment

  2. Cold and dry environment

  3. Dark and humid environment

  4. Bright and sunny environment


Correct Option: A
Explanation:

Composting thrives in a warm and moist environment, typically between 40°F and 140°F, with a moisture content of around 40-60%.

What is the role of microorganisms in composting?

  1. They break down organic matter into simpler compounds

  2. They produce heat and carbon dioxide

  3. They add nutrients to the compost

  4. All of the above


Correct Option: D
Explanation:

Microorganisms play a crucial role in composting by breaking down organic matter, producing heat and carbon dioxide, and adding nutrients to the compost.

What are the benefits of composting?

  1. Reduces the amount of waste sent to landfills

  2. Creates a natural fertilizer for plants

  3. Improves soil structure and fertility

  4. All of the above


Correct Option: D
Explanation:

Composting offers multiple benefits, including reducing waste, creating a natural fertilizer, improving soil structure, and promoting plant growth.

What are some common composting methods?

  1. Aerobic composting

  2. Anaerobic composting

  3. Vermicomposting

  4. Bokashi composting


Correct Option:
Explanation:

There are various composting methods, including aerobic composting, anaerobic composting, vermicomposting (using worms), and Bokashi composting (using beneficial microbes).

What is the role of turning compost?

  1. It aerates the compost pile

  2. It mixes different materials evenly

  3. It helps maintain the ideal temperature

  4. All of the above


Correct Option: D
Explanation:

Turning compost regularly aerates the pile, mixes materials evenly, and helps maintain the ideal temperature for efficient decomposition.

How long does it typically take for compost to mature?

  1. 2-3 weeks

  2. 1-2 months

  3. 3-6 months

  4. 6-12 months


Correct Option: C
Explanation:

The maturation time for compost can vary depending on factors like temperature, moisture, and the composition of the compost pile, but it typically takes around 3-6 months for compost to become fully mature.

What is the best way to use compost?

  1. Apply it directly to plants as a fertilizer

  2. Mix it with soil before planting

  3. Use it as a mulch around plants

  4. All of the above


Correct Option: D
Explanation:

Compost can be used in various ways, including applying it directly to plants as a fertilizer, mixing it with soil before planting, and using it as a mulch around plants to improve soil health and plant growth.

What materials should be avoided when composting?

  1. Meat and dairy products

  2. Diseased plants

  3. Weeds with seeds

  4. All of the above


Correct Option: D
Explanation:

To prevent attracting pests and diseases, it's best to avoid composting meat and dairy products, diseased plants, and weeds with seeds.

What is the carbon-to-nitrogen ratio in composting?

  1. 20:1 to 30:1

  2. 10:1 to 20:1

  3. 30:1 to 40:1

  4. 40:1 to 50:1


Correct Option: A
Explanation:

The ideal carbon-to-nitrogen ratio for composting is typically between 20:1 and 30:1, which ensures a balanced decomposition process.

What is the purpose of adding water to a compost pile?

  1. To maintain the ideal moisture content

  2. To help break down organic matter

  3. To prevent the compost pile from overheating

  4. All of the above


Correct Option: D
Explanation:

Adding water to a compost pile helps maintain the ideal moisture content, aids in the breakdown of organic matter, and prevents the compost pile from overheating.

What is the role of worms in vermicomposting?

  1. They break down organic matter into simpler compounds

  2. They aerate the compost pile

  3. They add nutrients to the compost

  4. All of the above


Correct Option: D
Explanation:

Worms play a vital role in vermicomposting by breaking down organic matter, aerating the compost pile, and adding nutrients to the compost.

What is Bokashi composting?

  1. A method of composting using beneficial microbes

  2. A method of composting using worms

  3. A method of composting using high temperatures

  4. A method of composting using chemicals


Correct Option: A
Explanation:

Bokashi composting is a method of composting that utilizes beneficial microbes to break down organic matter in a sealed container.

What is the importance of composting in waste management?

  1. It reduces the amount of waste sent to landfills

  2. It creates a natural fertilizer for plants

  3. It improves soil structure and fertility

  4. All of the above


Correct Option: D
Explanation:

Composting plays a crucial role in waste management by reducing waste, creating a natural fertilizer, and improving soil health, thereby promoting sustainable waste management practices.

- Hide questions