Extra 30 short questions and answers from Chapter:16 Garbage In, Garbage Out of Class 6 Science (CBSE):-

 

1. What is garbage?
Answer: Garbage is the waste material that is no longer useful and is discarded. It includes kitchen waste, plastic, paper, and other unwanted materials.

2. What is biodegradable waste?
Answer: Biodegradable waste is waste that decomposes naturally in the environment. Examples include vegetable peels, fruit waste, and paper.

3. What is non-biodegradable waste?
Answer: Non-biodegradable waste does not decompose easily and remains in the environment for a long time. Examples include plastic, glass, and metal.

4. What are the three main methods of waste management?
Answer: The three main methods of waste management are:

Reduce

– Minimizing waste generation.

Reuse

– Using materials multiple times.

Recycle

– Converting waste into new products.

5. What is composting?
Answer: Composting is the process of decomposing organic waste, such as vegetable peels and leaves, to produce nutrient-rich manure for plants.

6. What is vermicomposting?
Answer: Vermicomposting is a composting method that uses earthworms to break down organic waste into nutrient-rich soil fertilizer.

7. Why should we segregate waste?
Answer: Waste segregation helps in easy disposal and recycling of waste. It prevents biodegradable and non-biodegradable waste from mixing, making it easier to manage.

8. What are landfills?
Answer: Landfills are designated areas where large amounts of garbage are dumped and buried under the soil to manage waste disposal.

9. Why should we avoid using plastic bags?
Answer: Plastic bags do not decompose easily, pollute the environment, harm animals, and cause drainage blockages.

10. How can we reduce plastic waste?
Answer: We can reduce plastic waste by using cloth bags, avoiding single-use plastics, recycling plastic, and using alternative materials like paper and jute.

 

11. What are the harmful effects of burning garbage?
Answer: Burning garbage releases toxic gases, causes air pollution, and leads to respiratory problems and climate change.

12. How does garbage affect animals?
Answer: Animals may eat plastic waste, which can cause health problems or even death. Garbage also pollutes their natural habitat.

13. What are blue and green dustbins used for?
Answer:

Blue bin

– For non-biodegradable waste (plastic, metal, glass).

Green bin

– For biodegradable waste (food scraps, leaves, paper).

14. How can we recycle paper?
Answer: Old newspapers, books, and magazines can be collected and sent to recycling plants to make new paper products.

15. What is the best way to dispose of kitchen waste?
Answer: The best way is composting, which converts food scraps into natural manure for plants.

16. Why should we not throw garbage in water bodies?
Answer: Throwing garbage in rivers and lakes pollutes the water, harms aquatic life, and makes the water unsafe for drinking and daily use.

17. How does compost help plants?
Answer: Compost improves soil fertility, provides nutrients, and helps plants grow healthy without using chemical fertilizers.

18. What are some eco-friendly alternatives to plastic?
Answer: Cloth bags, jute bags, paper bags, bamboo straws, and metal utensils are eco-friendly alternatives to plastic.

19. Why should we reuse materials?
Answer: Reusing materials reduces waste generation, saves natural resources, and helps in environmental conservation.

20. What happens to non-biodegradable waste if not managed properly?
Answer: It remains in the environment for years, pollutes land and water, harms wildlife, and contributes to global warming.

 

21. What are the benefits of recycling?
Answer: Recycling saves resources, reduces pollution, decreases landfill waste, and conserves energy.

22. Why is plastic harmful to the environment?
Answer: Plastic does not decompose easily, causes pollution, harms animals, and blocks drainage systems.

23. How does proper waste management benefit us?
Answer: Proper waste management reduces pollution, prevents diseases, saves resources, and keeps the environment clean.

24. What are some examples of biodegradable waste?
Answer: Fruit peels, vegetable scraps, paper, leaves, and eggshells.

25. What are some examples of non-biodegradable waste?
Answer: Plastic bottles, glass, aluminium cans, and electronic waste.

26. How does improper waste disposal lead to diseases?
Answer: Accumulated garbage attracts flies, mosquitoes, and rats, which spread diseases like dengue, malaria, and cholera.

27. What is e-waste?
Answer: E-waste refers to discarded electronic items like old phones, computers, and televisions, which can be harmful to the environment.

28. How can schools help in waste management?
Answer: Schools can promote waste segregation, composting, recycling programs, and awareness campaigns to reduce waste.

29. Why should we reduce the use of single-use plastic?
Answer: Single-use plastic is non-biodegradable, pollutes the environment, and takes hundreds of years to decompose.

30. How can children help in waste management?
Answer: Children can reduce waste by reusing notebooks, avoiding plastic, segregating waste, and spreading awareness about recycling.