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All questions of Garbage In, Garbage Out for Class 6 Exam

Why is it important to avoid burning plastic waste?
  • a)
    Burning plastic waste helps in reducing landfill usage
  • b)
    Burning plastic waste leads to the emission of toxic fumes
  • c)
    Burning plastic waste is an effective recycling method
  • d)
    Burning plastic waste is a sustainable disposal practice
Correct answer is option 'B'. Can you explain this answer?

EduRev Class 6 answered
It is important to avoid burning plastic waste because burning plastics can release toxic fumes and pollutants into the air, contributing to air pollution and posing health risks to humans and ecosystems. Opting for safer disposal methods like recycling or proper waste management helps in mitigating these harmful effects.
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Which group of organisms also plays a role in the decomposition of waste along with redworms in vermicomposting?
  • a)
    Birds
  • b)
    Bacteria
  • c)
    Snakes
  • d)
    Mammals
Correct answer is option 'B'. Can you explain this answer?

Subset Academy answered
In addition to redworms, soil microorganisms, particularly bacteria, also play a crucial role in decomposing the waste in vermicomposting. These microorganisms contribute to breaking down organic matter into nutrient-rich compost through their activities.

How do efficient waste management systems, like those in Switzerland and the Netherlands, contribute to recycling efforts?
  • a)
    By incinerating all solid waste for energy production
  • b)
    By recycling nearly 100% of solid waste generated
  • c)
    By segregating waste at the industrial level
  • d)
    By recycling close to 50% of solid waste
Correct answer is option 'D'. Can you explain this answer?

Gunjan Lakhani answered
Efficient waste management systems in countries like Switzerland and the Netherlands play a significant role in recycling efforts by recycling nearly 50% of solid waste. This high rate of recycling helps in reducing the amount of waste sent to landfills, conserving resources, and promoting a more sustainable approach to waste disposal and management.

What is the primary role of redworms in the process of producing vermicompost?
  • a)
    Providing structural support to the compost
  • b)
    Breaking down and feeding on the biodegradable waste
  • c)
    Controlling the moisture content of the compost
  • d)
    Adding color to the final compost product
Correct answer is option 'B'. Can you explain this answer?

Praveen Kumar answered
The primary role of redworms in vermicomposting is to break down and feed on the biodegradable waste. As the worms feed on the waste, they help in the decomposition process and enrich the compost with nutrients, facilitating the creation of nutrient-rich vermicompost.

What is the key characteristic of non-biodegradable waste?
  • a)
    It decomposes naturally
  • b)
    It accumulates in the environment
  • c)
    It helps in waste management
  • d)
    It is easily recyclable
Correct answer is option 'B'. Can you explain this answer?

Rohini Seth answered
Non-biodegradable waste is characterized by its inability to decompose naturally. This leads to its accumulation in the environment, which can cause pollution of land and water bodies. Proper disposal and management of non-biodegradable waste are essential to prevent environmental harm.

What environmental concern is associated with landfill sites if not managed properly?
  • a)
    Increased air pollution levels
  • b)
    Release of harmful methane gas
  • c)
    Contamination of groundwater sources
  • d)
    Soil erosion and degradation
Correct answer is option 'B'. Can you explain this answer?

Shiksha Academy answered
Landfill sites, if not managed properly, can lead to the release of harmful methane gas into the atmosphere. Methane is a potent greenhouse gas that contributes to climate change. Proper landfill management practices are crucial to prevent the escape of methane and mitigate its environmental impact.

How is compost formed through a natural process?
  • a)
    By burning plant and animal waste
  • b)
    By burying waste in landfills
  • c)
    By decomposing plant and animal waste
  • d)
    By recycling waste through industrial processes
Correct answer is option 'C'. Can you explain this answer?

Coachify answered
Compost is formed when plant and animal waste decompose through a natural process. This decomposition process involves the breakdown of organic materials into nutrient-rich soil. By creating compost, organic waste is recycled back into the environment, enriching the soil and supporting plant growth.

Why is segregating waste at the household level considered crucial for effective recycling?
  • a)
    To reduce the amount of waste generated
  • b)
    To facilitate the reuse of waste materials
  • c)
    To contribute to waste reduction and provide raw materials
  • d)
    To avoid the need for disposal of waste in landfills
Correct answer is option 'C'. Can you explain this answer?

Shiksha Academy answered
Segregating waste at the household level is essential for effective recycling because it allows materials like paper, plastics, and metals to be sold to recycling units. This not only contributes to waste reduction but also provides raw materials for creating new products, promoting a more sustainable approach to waste management.

How long should the pit filled with household waste be left undisturbed according to the compost-making instructions?
  • a)
    One week
  • b)
    One month
  • c)
    Three months
  • d)
    Six months
Correct answer is option 'C'. Can you explain this answer?

Eduskill Classes answered
According to the compost-making instructions, once the pit is filled with household waste, it should be left undisturbed for about three months. During this period, natural decomposition processes take place, transforming the waste into nutrient-rich compost that can be used to enhance soil fertility and support plant growth.

What is one recommended step for making compost from household waste ?
  • a)
    Mix the waste with chemicals
  • b)
    Store the waste in a plastic bag
  • c)
    Cover the waste with soil regularly
  • d)
    Leave the waste exposed to sunlight
Correct answer is option 'C'. Can you explain this answer?

Praveen Kumar answered
One recommended step for making compost from household waste, as per the instructions, is to cover the waste with soil every few days. This covering helps in the decomposition process by providing insulation, maintaining moisture levels, and promoting the breakdown of organic materials.

Why is managing kitchen waste important for environmental sustainability?
  • a)
    To increase pollution levels
  • b)
    To decrease biodiversity
  • c)
    To conserve natural resources
  • d)
    To accelerate climate change
Correct answer is option 'C'. Can you explain this answer?

Dr Manju Sen answered
Managing kitchen waste is crucial for environmental sustainability as it helps conserve natural resources. By utilizing techniques like composting, we can reduce the amount of waste sent to landfills, minimize pollution, and contribute to a healthier ecosystem by recycling organic materials back into the environment.

What is emphasized as a key aspect of proper waste management in the text?
  • a)
    Incineration of all waste materials
  • b)
    Disposal of waste in landfills
  • c)
    Reduction of waste, reuse of materials, and recycling
  • d)
    Exporting waste to other countries for disposal
Correct answer is option 'C'. Can you explain this answer?

Rohini Seth answered
The text highlights that proper waste management involves the reduction of waste, the reuse of materials, and recycling. These practices are crucial for maintaining clean surroundings and reducing the environmental impact of waste accumulation. Recycling, in particular, helps conserve resources and reduces the need for raw materials.

What role do redworms play in the process of vermicomposting?
  • a)
    Redworms help to aerate the compost
  • b)
    Redworms assist in breaking down organic matter
  • c)
    Redworms control pests in the compost
  • d)
    Redworms add color to the compost
Correct answer is option 'B'. Can you explain this answer?

Praveen Kumar answered
Redworms play a crucial role in the process of vermicomposting by assisting in breaking down organic matter. These worms consume organic waste, digest it, and excrete nutrient-rich castings that further enrich the compost. Their activity helps in accelerating the decomposition process and producing high-quality compost for gardening and farming purposes.

What is a key characteristic of compost mentioned in the context of plant growth?
  • a)
    It inhibits root development
  • b)
    It attracts harmful pests
  • c)
    It is poor in plant nutrients
  • d)
    It is rich in plant nutrients
Correct answer is option 'D'. Can you explain this answer?

Subset Academy answered
Compost is rich in plant nutrients, which is beneficial for plant growth and development. When added to soil, compost provides essential nutrients that support plant health, root growth, and overall vitality, making it a valuable organic amendment for gardening and agriculture.

What is one of the benefits of compost mentioned in the provided text?
  • a)
    Acting as a natural pesticide
  • b)
    Enhancing the color of plants
  • c)
    Managing kitchen waste effectively
  • d)
    Attracting harmful insects
Correct answer is option 'C'. Can you explain this answer?

Praveen Kumar answered
One of the benefits of compost highlighted in the text is that it helps in managing kitchen waste effectively. By converting household kitchen waste into compost, it enables effective waste management and promotes sustainability by recycling organic materials.

How do soil microorganisms contribute to managing kitchen waste?
  • a)
    By converting waste into plastic
  • b)
    By breaking down waste into simple substances
  • c)
    By emitting harmful gases during decomposition
  • d)
    By increasing the lifespan of waste materials
Correct answer is option 'B'. Can you explain this answer?

Dr Manju Sen answered
Soil microorganisms, such as fungi and bacteria, play a vital role in managing kitchen waste by breaking it down into simple substances. This decomposition process enriches the soil and facilitates plant growth, making it an essential part of waste management.

Why is minimizing the use of plastic products important in environmental conservation efforts?
  • a)
    Plastic products are biodegradable
  • b)
    Plastic products are easily recyclable
  • c)
    Plastic products contribute to environmental pollution
  • d)
    Plastic products have a minimal impact on ecosystems
Correct answer is option 'C'. Can you explain this answer?

Coachify answered
Minimizing the use of plastic products is important in environmental conservation efforts because plastic products contribute significantly to environmental pollution. Plastics are non-biodegradable materials that can persist in the environment for hundreds of years, leading to pollution of land, water bodies, and harming wildlife. By reducing plastic consumption, individuals can help mitigate the negative impact of plastic pollution on ecosystems and biodiversity.

What is the main benefit of composting household waste?
  • a)
    Reducing soil fertility
  • b)
    Generating toxic substances
  • c)
    Promoting plant growth
  • d)
    Attracting pests
Correct answer is option 'C'. Can you explain this answer?

Coachify answered
Composting household waste is beneficial as it enriches the soil, promotes plant growth, and helps maintain a healthy ecosystem. The decomposition of organic matter in compost creates nutrient-rich soil that supports plant growth and sustainability.

What action supports responsible disposal of plastic waste?
  • a)
    Littering plastic waste in open spaces
  • b)
    Burning plastic waste in backyard fires
  • c)
    Properly disposing of plastic waste
  • d)
    Dumping plastic waste in water bodies
Correct answer is option 'C'. Can you explain this answer?

EduRev Class 6 answered
Responsible disposal of plastic waste involves properly disposing of plastic materials in designated waste management systems. This process includes using recycling facilities, waste collection services, and following local guidelines for the proper disposal of plastic waste. Proper disposal methods help in reducing environmental pollution and promoting sustainable waste management practices.

What is the primary characteristic of biodegradable waste?
  • a)
    It decays quickly in the presence of water
  • b)
    It is resistant to decomposition
  • c)
    It requires high temperatures to break down
  • d)
    It naturally decomposes over time
Correct answer is option 'D'. Can you explain this answer?

EduRev Class 6 answered
Biodegradable waste naturally decomposes over time with the help of soil microorganisms. This process is essential as it prevents waste from lingering in the environment for extended periods, thanks to the action of these organisms.

What is a key action recommended to prevent plastic waste from harming the environment?
  • a)
    Burning plastic waste
  • b)
    Minimizing the use of plastic products
  • c)
    Littering plastic waste
  • d)
    Segregating plastic waste for recycling
Correct answer is option 'D'. Can you explain this answer?

Gunjan Lakhani answered
To prevent plastic waste from harming the environment, it is crucial to segregate plastic waste for recycling. This action helps in ensuring that plastic materials are properly managed and can be repurposed, reducing the negative impact of plastic pollution on ecosystems. Proper segregation of plastic waste is a fundamental step towards sustainable waste management practices.

Chapter doubts & questions for Garbage In, Garbage Out - Eureka Plus Class 6: Book Solutions, Notes & Worksheets 2025 is part of Class 6 exam preparation. The chapters have been prepared according to the Class 6 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Class 6 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.

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