Managing Garbage and Waste Disposal_Unsolved Paper
Chapter: Our Environment | Topic: Managing Garbage and Waste Disposal
MANAGING GARBAGE AND WASTE DISPOSAL_UNSOLVED PAPER
Topic: Managing Garbage and Waste Disposal
Q1. Which practice is most suitable for reducing the amount of waste generated at home?
- Buying products with excessive packaging
- Reusing containers whenever possible
- Throwing all waste into one dustbin
- Burning household waste regularly
Q2. A student puts vegetable peels, leftover food and dry leaves into a separate container. This waste can be managed most appropriately by:
- Composting
- Burning
- Dumping in a water body
- Mixing with plastic waste
Q3. Which of the following is most likely to create a long-term waste management problem?
- Fruit peels
- Dry leaves
- Plastic packaging
- Cotton cloth
Q4. In a school, students notice that paper, food waste and plastic wrappers are being placed in the same bin. Which action would be most useful for improving waste management?
- Increasing the size of the same bin
- Separating different types of waste
- Throwing the waste outside the school
- Burning the waste after school hours
Q5. Which of the following best represents the idea of the 3Rs in waste management?
- Reduce, Reuse, Recycle
- Remove, Replace, Return
- Reduce, Recover, Repeat
- Repair, Remove, Reject
Q6. A municipal waste-management system collects household waste and sends it for different treatment methods. Why is segregation at the source important?
- It makes all waste biodegradable
- It helps different kinds of waste undergo suitable treatment
- It increases the amount of waste produced
- It prevents the formation of any waste
Short questions
Q1. What is meant by waste management? Why is proper management of waste necessary for the environment?
Q2. Differentiate between wet waste and dry waste with one suitable example of each.
Q3. Why should biodegradable waste such as kitchen waste not simply be thrown into open spaces? Mention one suitable way of managing it.
Q4. During lunch break, many students throw used paper plates, food leftovers and plastic wrappers into one dustbin. What problem can this create, and what better practice should the school encourage?
Q5. Why is burning plastic and other household waste in the open not considered a safe method of waste disposal?
Q6. A family in an Indian town starts carrying cloth bags while shopping and avoids unnecessary plastic packaging. How can such habits contribute to better waste management?
Q1. Explain the major steps involved in managing household waste from the point where it is generated until its final disposal or treatment. Why is proper segregation important during this process?
Q2. Explain how the 3Rs - Reduce, Reuse and Recycle can help in controlling the amount of garbage produced. Give suitable examples from everyday life for each practice.
Q3. A residential colony has been facing problems because people throw food waste, plastic bags, bottles and other materials together in an open dumping area. Analyse the situation and suggest suitable waste-management practices that the residents and local authorities could adopt.
Q1. A school produces the following amount of waste in one day:
Calculate:
a) The total amount of waste produced in one day.
b) The combined amount of plastic and glass waste.
Q2.
A housing society collects 80 kg of waste in one day. After segregation, 46 kg is identified as biodegradable waste.
Calculate:
a) The amount of waste that is not biodegradable.
b) What percentage of the total waste is biodegradable?
Q3. During a cleanliness campaign, four school groups collect the following quantities of waste:
Group A: 16 kg
Group B: 21 kg
Group C: 14 kg
Group D: 19 kg