Câu 1: What does “green environment” mean?

A. An area full of pollution

B. A clean and nature-friendly environment

C. A place without trees

D. A shopping center only

Câu 2: Which of the following helps protect the green environment?

A. Throwing trash in rivers

B. Recycling plastic

C. Burning forests

D. Using more cars unnecessarily

Câu 3: What is “recycling”?

A. Throwing waste anywhere

B. Processing used materials into new products

C. Sleeping at home

D. Cooking food

Câu 4: Which of these is NOT an example of pollution?

A. Clean air

B. Smoke from factories

C. Trash in oceans

D. Loud noise in cities

Câu 5: What does “sustainable development” mean?

A. Using up all resources quickly

B. Developing in a way that protects the environment for future generations

C. Ignoring nature

D. Closing all parks

Câu 6: Which of the following is a renewable energy source?

A. Coal

B. Solar power

C. Oil

D. Gasoline

Câu 7: What is deforestation?

A. Planting new trees

B. Cutting down forests without replanting

C. Cleaning rivers

D. Growing more vegetables

Câu 8: Why are trees important for the green environment?

A. They produce oxygen

B. They cause more heat

C. They increase waste

D. They block sunlight completely

Câu 9: What is global warming?

A. Cooling of the Earth

B. Increase in Earth's average temperature

C. Decrease in greenhouse gases

D. Freezing oceans only

Câu 10: Which gas is responsible for global warming?

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Helium

Câu 11: Which of these helps reduce air pollution?

A. Riding bicycles

B. Burning plastic

C. Using old cars

D. Leaving trash on streets

Câu 12: What does “eco-friendly” mean?

A. Harmful to the environment

B. Safe and not causing damage to nature

C. Producing lots of waste

D. Increasing noise

Câu 13: Which of these is NOT eco-friendly?

A. Using reusable bags

B. Throwing plastic bottles in rivers

C. Planting trees

D. Saving electricity

Câu 14: What is the purpose of Earth Hour?

A. Turning on all lights

B. Turning off unnecessary electrical devices to save energy

C. Increasing electricity bills

D. Celebrating shopping events

Câu 15: What is biodegradable waste?

A. Waste that disappears on its own naturally

B. Plastic bags

C. Metal cans

D. Glass bottles

Câu 16: What is a “carbon footprint”?

A. Shoe size measurement

B. Total carbon dioxide produced by a person or group

C. A type of tree

D. A school building

Câu 17: Which activity increases carbon footprint the most?

A. Walking

B. Flying airplanes frequently

C. Using solar panels

D. Drinking water

Câu 18: Why should we save water?

A. To waste it later

B. Water is a limited natural resource

C. To increase bills

D. To cause pollution

Câu 19: What is a green building?

A. A house painted green only

B. A building designed to save energy and reduce environmental impact

C. A building made of plastic

D. A shopping mall

Câu 20: What does “organic farming” mean?

A. Using chemicals all the time

B. Growing food without synthetic fertilizers or pesticides

C. Using plastic bags for plants

D. Increasing machine farming only

Câu 21: What is renewable energy?

A. Energy that can be replaced naturally

B. Energy from burning coal only

C. Energy that pollutes the air

D. Energy that disappears forever

Câu 22: Which of these is a non-renewable energy source?

A. Wind power

B. Solar energy

C. Oil

D. Hydropower

Câu 23: What does “environmental protection” mean?

A. Destroying natural places

B. Keeping nature safe and clean

C. Increasing factory smoke

D. Using more plastic

Câu 24: What is an endangered species?

A. Animals with a large population

B. Animals at risk of disappearing forever

C. Common farm animals

D. Domestic pets

Câu 25: Which of these helps reduce waste?

A. Using single-use plastic bags

B. Reusing and recycling items

C. Throwing trash on the street

D. Burning garbage in open air

Câu 26: What is composting?

A. Throwing food waste into rivers

B. Turning organic waste into fertilizer

C. Building roads with plastic

D. Washing cars with dirty water

Câu 27: What is the ozone layer?

A. A layer protecting the Earth from harmful UV rays

B. A type of tree

C. A water pipe system

D. A factory machine

Câu 28: Which activity damages the ozone layer?

A. Using CFCs in sprays and coolers

B. Planting trees

C. Drinking clean water

D. Riding bicycles

Câu 29: What is meant by “zero waste”?

A. Producing no waste at all

B. Throwing everything away

C. Burning all trash

D. Using plastic only

Câu 30: What is an electric vehicle (EV)?

A. A car using gasoline

B. A car powered by electricity

C. A bicycle only

D. A boat using coal

Câu 31: Which is a benefit of using solar panels?

A. Producing clean renewable energy

B. Producing smoke

C. Requiring gasoline

D. Burning plastic

Câu 32: Why are plastic bags harmful to the environment?

A. They decompose quickly

B. They take hundreds of years to break down

C. They feed animals

D. They create oxygen

Câu 33: Which of the following is an example of green transport?

A. Diesel trucks

B. Bicycles

C. Airplanes using jet fuel

D. Motorbikes

Câu 34: What does “air quality” measure?

A. The number of trees in a park

B. The cleanliness of the air we breathe

C. The price of electricity

D. The length of a road

Câu 35: Why is public transport eco-friendly?

A. It increases individual car use

B. It reduces traffic and pollution

C. It burns more fuel

D. It produces more trash

Câu 36: What is a green product?

A. A product made with harmful chemicals

B. A product safe for the environment

C. A product only used in factories

D. A product made only for decoration

Câu 37: Which of these is NOT a cause of water pollution?

A. Throwing chemicals in rivers

B. Using too many cleaning products

C. Planting more trees

D. Oil spills

Câu 38: What does “eco-tourism” promote?

A. Destroying natural places for tourism

B. Traveling responsibly to protect nature

C. Building hotels on forests

D. Feeding animals plastic

Câu 39: Which action saves the most energy at home?

A. Leaving lights on all day

B. Turning off unused electrical devices

C. Using only gasoline cars

D. Throwing away food

Câu 40: What is green energy?

A. Energy harmful to the environment

B. Energy from natural renewable sources

C. Energy that never gets used

D. Energy from burning waste

Câu 41: What is the main goal of environmental education?

A. Teaching how to increase pollution

B. Teaching how to protect and care for the environment

C. Encouraging wasting water

D. Ignoring nature

Câu 42: What does “organic product” mean?

A. Made with chemicals

B. Made without synthetic additives or pesticides

C. Made from plastic only

D. Only factory-made

Câu 43: Which of the following helps save energy?

A. Using LED light bulbs

B. Using old appliances

C. Leaving doors open

D. Running water taps all day

Câu 44: What is the greenhouse effect?

A. The Earth cooling down

B. Trapping heat in the atmosphere due to gases like CO2

C. Planting in a glass building only

D. Cutting trees

Câu 45: Why is reducing meat consumption considered eco-friendly?

A. It increases greenhouse gas emissions

B. Livestock farming uses a lot of resources and produces emissions

C. It wastes food

D. It damages cars

Câu 46: Which of these is a clean source of drinking water?

A. Polluted river

B. Filtered tap water

C. Ocean water

D. Industrial waste water

Câu 47: Why should we avoid using plastic straws?

A. They are delicious

B. They pollute the environment and harm animals

C. They grow on trees

D. They clean water

Câu 48: What is rainwater harvesting?

A. Letting rainwater go to waste

B. Collecting and using rainwater

C. Polluting rainwater

D. Freezing rainwater for fun

Câu 49: Which of these is an example of upcycling?

A. Throwing old clothes away

B. Making bags from old jeans

C. Burning paper

D. Ignoring waste

Câu 50: What is the purpose of planting trees in cities?

A. Increasing heat

B. Reducing air pollution and providing shade

C. Blocking roads

D. Making parking lots only

Câu 51: Which of these actions reduces energy consumption?

A. Leaving appliances on all night

B. Using energy-efficient devices

C. Keeping windows open while using air-conditioning

D. Turning lights on during the day

Câu 52: What is meant by “reduce, reuse, recycle”?

A. Throw everything away

B. Use resources carefully, reuse items, recycle materials

C. Increase waste production

D. Buy only new products

Câu 53: Which of these is biodegradable?

A. Plastic bottle

B. Banana peel

C. Aluminum can

D. Glass bottle

Câu 54: Which of the following contributes to water conservation?

A. Taking very long showers

B. Turning off the tap when brushing teeth

C. Washing cars daily

D. Leaving taps running

Câu 55: What is environmental pollution?

A. Clean environment

B. Harmful substances entering air, water, or land

C. Growing plants everywhere

D. Cleaning rivers

Câu 56: What is meant by “clean energy”?

A. Energy from coal

B. Energy that doesn’t pollute

C. Energy from burning plastic

D. Energy from oil

Câu 57: Why is it important to protect biodiversity?

A. It’s not important

B. It ensures balance in ecosystems and human survival

C. It increases factory production

D. It decreases forests

Câu 58: Which of these is an eco-friendly packaging material?

A. Styrofoam

B. Plastic

C. Paper

D. Aluminum foil

Câu 59: What is green technology?

A. Technology that increases pollution

B. Technology that saves resources and protects the environment

C. Old outdated machines

D. School computers only

Câu 60: Which of the following is an impact of climate change?

A. Stable weather

B. Rising sea levels

C. Decreasing air temperatures

D. Less rainfall everywhere