Garbage In, Garbage Out

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Q-1: Which of the following is a friend of the farmer?

a) Redworms

b) Earthworms

c) Moths

d) Mosquitoes

Answer: b) Earthworms

Q-2: Which of the following is the method of preparing compost with the help of redworms?

a) Recycling

b) Vermicomposting

c) Composting

d) Both b) and c)

Answer: b) Vermicomposting

Explanation: The process of converting kitchen garbage into compost with the help of redworms is known as vermicomposting.

Q-3: Which of the following helps the redworms to grind their food?

a) Teeth

b) Gizzard

c) Mouth

d) Hands

Answer: b) Gizzard

Explanation: Redworms do not have teeth. They have a structure called ‘gizzard’, which helps them in grinding their food.

Q-4: Which of the following can be recycled?

a) Leather shoes

b) Food waste

c) Plastic wrap

d) Newspapers

Answer: d) Newspapers

Explanation: Used or outdated materials that can be recycled are known as recyclable materials. Only the papers in the list of materials can be recycled, and others cannot be recycled.

Q-5: What will happen if we add milk preparations, salt, and vinegar to waste pits as food for redworms?

a) Such food will harm redworms.

b) They will produce disease-causing microorganisms in the pit.

c) This will lead to slower degradation of waste.

d) All of the above

Answer: b) They will produce disease-causing microorganisms in the pit.

Explanation: Never give redworms food that might contain salt, pickles, oil, vinegar, meat, or milk preparations. When you place these items in the pit, disease-causing microorganisms begin to proliferate there.

Q-6: Choose the incorrect statements.

a) Eating food that has been packaged in plastic is bad for our health.

b) When heated, plastics release hazardous gases.

c) The sewage drainage system benefits from the plastics that are dumped on the roads.

d) Plastics jammed in drains or sewers may result in flooding during periods of severe rain.

Answer: c) The sewage drainage system benefits from the plastics that are dumped on the roads.

Explanation: The plastic bags that are carelessly discarded on roadways and other surfaces enter the drainage system and sewers. Drains become clogged as a result, and water overflows onto the roads. It might potentially result in a situation similar to a flood during heavy rains.

Q-7: Which of the following is an indication that the rotting of garbage is complete?

a) Black colour

b) No foul smell

c) Good odour

d) Both a) and b)

Answer: d) Both a) and b)

Explanation: Garbage has finished decomposing when it is completely black in colour and does not smell bad.

Q-8: Which of the following ought to be avoided as a spread over sand when building a comfortable residence for redworms?

a) Use of green leaves

b) Shiny paper

c) Dried animal dung

d) Husk or pieces of newspapers

Answer: b) Shiny paper

Explanation: To cover the layer of sand, one can use green leaves, fragments of dried plant stalks, husks, or bits of newspaper or cardboard. However, you shouldn’t use shiny or plastic-coated paper for this. Additionally, dried animal dung could be sprinkled over sand.

Q-9: What kind of trash is disposed of in the green bins?

a) Vegetable peelings

b) Plant wastes

c) Animal wastes

d) All of the above

Answer: d) All of the above

Explanation: Kitchen garbage like vegetable peelings, cooked food or uncooked food and other plant or animal waste are collected in the green bins.

Q-10: Which of the following is the condition required by redworms for their survival?

a) Very hot

b) Very cold

c) Humid

d) All of the above

Answer: c) Humid

Explanation: Extreme temperatures like very hot or cold are not favourable for redworm survival. They require humidity (moisture) around them.

Q-11: Which of the following is a non-biodegradable waste?

a) Tree leaves

b) Paper

c) Glass

d) Wool

Answer: c) Glass

Explanation: Wastes that cannot be broken down or degraded by natural processes are referred to as non-biodegradable wastes. Glass is a non-biodegradable waste, whereas tree leaves, paper, and wool are biodegradable wastes.

Q-12: Which of the following is commonly called municipal solid?

a) Waste

b) Garbage

c) Manure

d) Compost

Answer: b) Garbage

Explanation: Frequently used goods like product packaging, furniture, clothing, bottles, food scraps, newspapers, appliances, paint, and batteries are included in municipal solid waste (MSW), commonly known as garbage. This is a product of our workplaces, schools, hospitals, and homes.

Q-13: Which of the following is a bin where the materials that can be recycled are collected?

a) Red bin

b) Blue bin

c) Black bin

d) Green bin

Answer: b) Blue bin

Explanation: Materials that can be recycled are collected in blue bins in accordance with government policy. This trash is processed right away.

Q-14: Which of the following is the area where garbage is thrown?

a) Industries

b) Landfill

c) Upland

d) Dustbin

Answer: b) Landfill

Explanation: A place known as a landfill is where waste that has been collected from a city or municipality is put. Later, the area is transformed into a park.

Q-15: Which of the following is not made from plastics?

a) Shoes

b) Bags

c) Steel

d) Toys

Answer: c) Steel

Q-16: Which of the following makes up papier-mache?

a) Clay

b) Paper

c) Rice husk

d) All of the above

Answer: d) All of the above

Explanation: Papier-mache is a paste made of clay and paper in which some rice husk is also mixed. It is applied to the baskets to make them stronger.

Q-17: Which of the following are responsible for the rotting process?

a) Insects

b) Ants

c) Microbes

d) Mosquitoes

Answer: c) Microbes

Explanation: Microbes are chemical decomposers and responsible for the rotting process because they use chemicals in their bodies to break down organic matter.

Q-18: Where the garbage from the cities is collected?

a) Riversides

b) Landfill

c) Houses

d) Near every colony

Answer: b) Landfill

Q-19: What do the 3Rs stand for?

a) Reduce, Recycle, Rot

b) Reduce, Reuse, Recycle

c) Recycle, Rain, Rot

d) None of the above

Answer: b) Reduce, Reuse, Recycle

Q-20: Which of the following will contribute to the garbage?

a) Wrapper of a lays

b) Can of a soft drink

c) Used tissues from hospitals

d) All of the above

Answer: d) All of the above

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Sama Mohamed

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