What process lets trees make their own food from sunlight?
A) Germination
B) Photosynthesis
C) Transpiration
Answer: B) Photosynthesis
What ocean is the largest?
A) Atlantic
B) Indian
C) Pacific
Answer: C) Pacific Ocean
Which of these is considered biodegradable?
A) Banana peel
B) Styrofoam cup
C) Plastic wrapper
Answer: A) Banana peel
Which is the largest continent on Earth?
A) Africa
B) Asia
C) Europe
B) Asia
Which rainforest produces the most oxygen on Earth?
A) Amazon Rainforest
B) Congo Rainforest
C) Sumatran Rainforest
Answer: A) Amazon Rainforest
Which human activity is most harmful to coral reefs?
A) Overfishing
B) Tourism and pollution
C) Deep-sea exploration
B) Tourism and pollution
Which action reduces both waste and environmental impact?
A) Using disposable plates for parties
B) Buying individually wrapped snacks
C) Using cloth napkins instead of paper
Answer: C) Using cloth napkins instead of paper
Which layer protects Earth from most harmful UV rays?
A) Troposphere
B) Ozone layer
C) Stratosphere
B) Ozone layer
Why are trees called the “lungs of the Earth”?
A) They produce oxygen and absorb carbon dioxide
B) They filter water underground
C) They grow the fastest among all plants
Answer: A) They produce oxygen and absorb carbon dioxide
Which ocean zone is home to the majority of marine species?
A) Coastal (neritic) zone
B) Abyssal Zone
C) Open ocean (pelagic) zone
Answer: A) Coastal (neritic) zone
Which type of waste takes the longest to break down naturally?
A) Plastic bottles
B) Cardboard boxes
C) Banana peels
Answer: A) Plastic bottles
Which of these helps preserve biodiversity?
A) Protecting natural habitats
B) Converting forests to farmland
C) Introducing invasive species
Answer: A) Protecting natural habitats