Garbage In, Garbage Out quiz

Which of the following is biodegradable?

Worms used in vermicomposting are:

The process of converting plant and animal waste into manure is called:

Which of the following should not be put in a vermicomposting pit?

Burning of plastics:

A low-lying open area where garbage is dumped and covered with soil is a:

Using a glass jar again to store spices is an example of:

Redworms do not have:

Which waste is non-biodegradable?

Paper can be:

Why should garbage be separated at home before disposal? (2 marks)

What is a gizzard? How does it help redworms? (2 marks)

Name two items that can be recycled. (2 marks)

Why should we carry a cloth bag while shopping? (2 marks)

What happens to plastic bags thrown in drains? (2 marks)

Why should the compost pit be covered? (2 marks)

What do the green and blue bins collect? (2 marks)

How can a landfill area be used after it is full? (2 marks)

Why is it harmful for cattle to eat from garbage heaps? (2 marks)

Give two ways to reduce garbage at school. (2 marks)

A colony of 200 houses produces 1 kg of garbage per house daily. Find the garbage produced in a day and in a week. If 55 percent is biodegradable, how much could be composted in a week? (3 marks)

A shop gives 300 plastic bags every day. If it switches to paper bags for half the customers and cloth bags for 20 percent, how many plastic bags are still given daily? (3 marks)

Recycling 1 tonne of paper saves about 17 trees. How many trees are saved by recycling 3 tonnes of paper? How many tonnes of paper must be recycled to save 85 trees? (3 marks)

A compost pit is filled with 40 kg of kitchen waste. After two months, the compost formed weighs 12 kg. What percentage of the original mass remains as compost? Why does the mass reduce? (3 marks)

In a school survey, waste collected in a week was: paper 30 kg, plastic 12 kg, food waste 50 kg, metal cans 8 kg. Find the total waste and the percentage that is biodegradable (paper and food waste). (3 marks)

Read the passage and answer the questions. Sonu's family started separating waste at home. They put fruit and vegetable peels in a green bin and plastic wrappers and bottles in a blue bin. The green bin waste was put into a pit in their garden. (i) Which bin contains biodegradable waste? (ii) What will the waste in the pit become after some weeks? (iii) What should be done with the blue bin waste? (5 marks)

Read the passage and answer the questions. A school eco-club set up a vermicomposting bin. They added a layer of sand, then fine gravel, then kitchen waste and redworms. They covered the bin with a gunny bag and sprinkled water regularly. (i) Why did they cover the bin? (ii) Why did they sprinkle water? (iii) How long does vermicomposting take compared to ordinary composting? (5 marks)

Read the passage and answer the questions. After a heavy rain, the streets of a town were flooded. Workers found the drains blocked with polythene bags and plastic bottles. Some stray cows were also found sick after eating plastic from garbage heaps. (i) Why did the drains get blocked? (ii) Why did the cows fall sick? (iii) Suggest two steps the town can take to avoid this. (5 marks)

Read the passage and answer the questions. Students collected old newspapers and made recycled paper. They tore the paper into small pieces, soaked them in water overnight, made a paste, spread it on a net and dried it in the sun. (i) What is this process called? (ii) Why is recycling paper useful? (iii) Name one more material that can be recycled. (5 marks)

Read the passage and answer the questions. A city's landfill site is almost full. The municipal corporation plans to start composting units in every ward and recycling centres for plastic and glass. (i) Why is a full landfill a problem? (ii) How will composting units help? (iii) How will recycling centres help? (5 marks)

Draw a labelled diagram of a vermicomposting pit. Explain the steps to set it up, the role of redworms, and the precautions to be taken. State two advantages of vermicompost. (6 marks)

Draw a flowchart of garbage management in a town from collection to landfill, composting and recycling. Explain each step and the role of rag pickers. (6 marks)

Describe an activity to show which kinds of waste rot and which do not, by burying different items in pits. Draw a diagram of the setup and record the expected observations after three weeks. (6 marks)

Explain the three Rs with two examples each. Draw a poster design showing a slogan and pictures to encourage people to reduce plastic use. (6 marks)

Describe the steps to make recycled paper at home with diagrams. Explain why recycling paper helps save trees and energy, and why plastics should be recycled instead of being burnt. (6 marks)