Sample Questions and Answers
What is the primary cause of habitat destruction?
Urban sprawl
B. Overfishing
C. Natural disasters
D. Renewable energy development
Answer: A
Which of the following is considered a nonrenewable resource?
Wind energy
B. Solar energy
C. Coal
D. Timber
Answer: C
What is the term for the variety of life forms in an ecosystem?
Biodiversity
B. Biodegradation
C. Biomass
D. Bioenergy
Answer: A
Which of these gases contributes the most to global warming?
Oxygen
B. Carbon dioxide
C. Nitrogen
D. Helium
Answer: B
What is a significant consequence of deforestation?
Increased oxygen production
B. Decreased carbon dioxide levels
C. Loss of biodiversity
D. Growth of urban areas
Answer: C
Which practice helps reduce soil erosion?
Overgrazing
B. Deforestation
C. Crop rotation
D. Industrial farming
Answer: C
What is eutrophication in water bodies primarily caused by?
Acid rain
B. Excessive nutrients
C. Oil spills
D. Plastic pollution
Answer: B
What is the leading source of ocean pollution?
Agricultural runoff
B. Industrial waste
C. Overfishing
D. Noise pollution
Answer: A
The term “ecological footprint” refers to:
The measure of biodiversity in an area
B. The impact of human activities on the environment
C. The carbon emissions from automobiles
D. The amount of forest cover in a region
Answer: B
What is one of the main effects of acid rain?
Increase in greenhouse gases
B. Destruction of aquatic habitats
C. Rise in global temperatures
D. Enhanced agricultural productivity
Answer: B
What percentage of the Earth’s water is freshwater?
70%
B. 50%
C. 2.5%
D. 10%
Answer: C
Which energy source is the most sustainable for long-term use?
Natural gas
B. Nuclear energy
C. Solar energy
D. Petroleum
Answer: C
Which of the following is a consequence of overpopulation?
Increased renewable energy use
B. Lower demand for natural resources
C. Strain on freshwater supplies
D. Reduction in urban development
Answer: C
Which of the following is a greenhouse gas?
Argon
B. Methane
C. Oxygen
D. Nitrogen
Answer: B
Sustainable development aims to:
Prioritize economic growth over environmental concerns
B. Balance environmental, social, and economic goals
C. Eliminate industrial growth
D. Preserve fossil fuel usage
Answer: B
What is the primary cause of coral bleaching?
Increased salinity
B. Rising sea temperatures
C. Oil spills
D. Excessive fishing
Answer: B
Which is an example of an invasive species?
Monarch butterflies in North America
B. Kudzu vines in the southeastern United States
C. Koalas in Australia
D. Kangaroos in Australia
Answer: B
Which method is most effective in reducing waste?
Recycling
B. Landfilling
C. Incineration
D. Composting
Answer: A
Which human activity is most responsible for ozone depletion?
Burning of fossil fuels
B. Use of CFCs
C. Deforestation
D. Plastic pollution
Answer: B
Which process converts solar energy into chemical energy?
Photosynthesis
B. Respiration
C. Combustion
D. Decomposition
Answer: A
What is the major contributor to ocean acidification?
Excessive fishing
B. Carbon dioxide emissions
C. Plastic waste
D. Agricultural runoff
Answer: B
Which biome has the highest biodiversity?
Desert
B. Tundra
C. Tropical rainforest
D. Grassland
Answer: C
What is the main purpose of environmental impact assessments?
To reduce industrial profits
B. To evaluate the potential effects of projects on the environment
C. To monitor global temperatures
D. To promote urbanization
Answer: B
Which of the following is an example of renewable energy?
Oil
B. Natural gas
C. Wind
D. Coal
Answer: C
What is a significant cause of species extinction today?
Natural predators
B. Human activities
C. Genetic mutations
D. Evolution
Answer: B
Which of these is an example of bioremediation?
Planting trees to reduce carbon
B. Using microbes to clean oil spills
C. Building dams to conserve water
D. Recycling plastics
Answer: B
What does the term “carrying capacity” refer to?
The maximum amount of water a region can hold
B. The number of organisms an environment can sustainably support
C. The weight an ecosystem can bear
D. The level of biodiversity in an ecosystem
Answer: B
Which law governs the cleanup of hazardous waste sites in the U.S.?
Clean Air Act
B. Endangered Species Act
C. Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)
D. Safe Drinking Water Act
Answer: C
Which practice leads to desertification?
Overgrazing
B. Reforestation
C. Crop rotation
D. Irrigation
Answer: A
Which international agreement focuses on climate change?
Kyoto Protocol
B. Montreal Protocol
C. Paris Agreement
D. Geneva Convention
Answer: C
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