#1
Which gas is primarily responsible for climate change?
Carbon dioxide
ExplanationCarbon dioxide is a major greenhouse gas that contributes to the warming of the Earth's atmosphere.
#2
What is the term for the process by which plants convert carbon dioxide into oxygen?
Photosynthesis
ExplanationPhotosynthesis is the biological process where plants use sunlight to convert carbon dioxide and water into glucose, releasing oxygen as a byproduct.
#3
What is the term for the gradual increase in Earth's average temperature?
Global warming
ExplanationGlobal warming refers to the long-term rise in Earth's average temperature, primarily attributed to human activities like burning fossil fuels.
#4
Which of the following is a non-renewable resource?
Coal
ExplanationCoal is a non-renewable resource formed over millions of years, and its finite supply makes it unsustainable for long-term use.
#5
Which environmental concept focuses on the interrelationships between organisms and their environment?
Ecology
ExplanationEcology is the scientific study of the relationships between living organisms and their environment, including the interactions and dependencies.
#6
What is the term for the process of breaking down organic materials into simpler forms?
Decomposition
ExplanationDecomposition is the natural process of breaking down organic matter into simpler substances, facilitated by microorganisms.
#7
What is the term for the natural system of interaction between living organisms and their environment?
Ecosystem
ExplanationAn ecosystem is a complex network of living organisms and their physical environment, where interactions and energy flow create a balanced and dynamic system.
#8
Which of the following is considered a renewable energy source?
Solar power
ExplanationSolar power harnesses energy from the sun and is considered a renewable energy source as it is sustainable and doesn't deplete finite resources.
#9
What is the main cause of the ozone hole?
Chlorofluorocarbons (CFCs)
ExplanationChlorofluorocarbons (CFCs) are synthetic compounds that release chlorine, damaging the ozone layer and leading to the formation of an ozone hole.
#10
What is the primary greenhouse gas emitted from agriculture?
Methane
ExplanationMethane is a potent greenhouse gas released from agricultural activities, including livestock digestion and manure decomposition.
#11
Which of the following is not a form of renewable energy?
Coal
ExplanationCoal is a non-renewable fossil fuel, formed from the remains of ancient plants, and its combustion releases carbon dioxide, contributing to climate change.
#12
What is the main source of ocean pollution?
Plastic pollution
ExplanationPlastic pollution, originating from various sources, poses a major threat to marine ecosystems, causing harm to marine life and habitats.
#13
Which of the following is a major cause of deforestation?
Logging
ExplanationLogging, the harvesting of trees for wood and other products, is a significant cause of deforestation, impacting ecosystems and biodiversity.
#14
What is the term for the loss of soil productivity and biodiversity caused by farming?
Erosion
ExplanationErosion results from soil degradation due to agricultural practices, leading to the loss of fertility, biodiversity, and overall ecosystem health.
#15
Which environmental concept refers to the variety of life forms on Earth?
Biodiversity
ExplanationBiodiversity encompasses the variety of living organisms in different ecosystems, contributing to ecological balance and resilience.
#16
What is the term for the process of a body of water becoming enriched in nutrients?
Eutrophication
ExplanationEutrophication is the natural or artificial enrichment of water bodies with nutrients, leading to excessive plant growth and potential ecological imbalances.