Welcome to the Environmental Science MCQs with Answers. In this post, we are sharing Environmental Science Multiple Choice Questions and Answers in Everyday Science section for various competitive exams in Pakistan. Each question offers a chance to enhance your knowledge regarding Environmental Science online MCQs Test.
Which of the following gases is primarily responsible for climate change?
A) Carbon dioxide
B) Oxygen
C) Nitrogen
D) Argon
What is the main source of renewable energy?
A) Solar power
B) Natural gas
C) Coal
D) Nuclear power
Which process describes the removal of pollutants from the air?
A) Air purification
B) Photosynthesis
C) Erosion
D) Combustion
What is the primary cause of acid rain?
A) Sulfur dioxide emissions
B) Carbon monoxide emissions
C) Nitrogen gas emissions
D) Ozone depletion
Which of the following is a non-renewable resource?
A) Coal
B) Wind
C) Solar energy
D) Biomass
What is the primary effect of deforestation?
A) Loss of biodiversity
B) Decrease in global temperatures
C) Increase in soil fertility
D) Decrease in carbon dioxide levels
Which environmental issue is associated with the depletion of the ozone layer?
A) Increased UV radiation
B) Global warming
C) Acid rain
D) Air pollution
The greenhouse effect is mainly caused by an increase in which type of gases?
A) Greenhouse gases
B) Noble gases
C) Reactive gases
D) Heavy metals
What is the main purpose of recycling?
A) To reduce waste
B) To increase energy consumption
C) To promote deforestation
D) To decrease air quality
Which of the following is an example of a renewable resource?
A) Wind energy
B) Natural gas
C) Coal
D) Uranium
What is the term used for the gradual increase in Earth’s average temperature?
A) Global warming
B) Climate cooling
C) Ozone depletion
D) Acidification
Which of the following is a major contributor to water pollution?
A) Industrial waste
B) Solar panels
C) Wind turbines
D) Organic farming
What is the primary goal of conservation efforts?
A) To protect natural habitats
B) To promote industrial growth
C) To increase pollution
D) To deplete natural resources
Which of the following is a method of soil conservation?
A) Contour plowing
B) Deforestation
C) Overgrazing
D) Urbanization
The term “biodiversity” refers to:
A) The variety of life in an ecosystem
B) The amount of carbon dioxide in the atmosphere
C) The level of noise pollution
D) The extent of urban development
What is the main effect of air pollution on human health?
A) Respiratory problems
B) Improved lung function
C) Enhanced cognitive abilities
D) Increased physical endurance
Which practice helps in reducing greenhouse gas emissions?
A) Using public transportation
B) Burning fossil fuels
C) Increasing industrial activity
D) Deforestation
What is the major environmental benefit of planting trees?
A) Absorbing carbon dioxide
B) Increasing air pollution
C) Decreasing soil fertility
D) Increasing industrial waste
The process by which water vapor turns into liquid water is called:
A) Condensation
B) Evaporation
C) Precipitation
D) Transpiration
Which type of energy is derived from the Earth’s heat?
A) Geothermal energy
B) Solar energy
C) Wind energy
D) Hydroelectric energy
What is the main cause of the “hole” in the ozone layer?
A) Chlorofluorocarbons (CFCs)
B) Carbon dioxide
C) Methane
D) Nitrogen oxides
Which of the following is a method of reducing water consumption?
A) Installing low-flow fixtures
B) Increasing industrial water usage
C) Using more pesticides
D) Building more dams
What is the primary environmental impact of plastic pollution?
A) Harm to marine life
B) Enhanced soil fertility
C) Increased air quality
D) Decreased water temperature
Which of the following is a common source of noise pollution?
A) Traffic congestion
B) Wind turbines
C) Solar panels
D) Planting trees
What is the purpose of a carbon footprint assessment?
A) To measure an individual’s or organization’s impact on the environment
B) To calculate the energy efficiency of appliances
C) To evaluate the effectiveness of recycling programs
D) To estimate the cost of environmental regulations
Which of the following practices helps in soil fertility conservation?
A) Crop rotation
B) Overuse of fertilizers
C) Deforestation
D) Excessive irrigation
What is the term for the loss of a species from an ecosystem?
A) Extinction
B) Migration
C) Invasion
D) Adaptation
Which of the following is a sustainable practice for managing forests?
A) Selective logging
B) Clear-cutting
C) Overgrazing
D) Urban expansion
The term “ecosystem services” refers to:
A) Benefits provided by ecosystems to humans
B) Services provided by technology
C) Economic services offered by industries
D) Legal services related to environmental protection
What is the primary source of energy for photosynthesis in plants?
A) Sunlight
B) Soil
C) Water
D) Carbon dioxide
Which type of pollution is caused by excessive nutrients entering water bodies?
A) Eutrophication
B) Smog
C) Ozone depletion
D) Acid rain
What is the primary goal of wildlife conservation?
A) To protect endangered species and their habitats
B) To increase human activity in natural areas
C) To promote deforestation
D) To exploit natural resources
Which of the following is a consequence of climate change?
A) Rising sea levels
B) Decreased temperature variations
C) Reduced frequency of natural disasters
D) Increased ice coverage in polar regions
The term “carbon offset” refers to:
A) Reducing or compensating for greenhouse gas emissions
B) Increasing carbon emissions
C) Measuring carbon footprints
D) Enhancing energy efficiency
What is the primary environmental impact of industrial agriculture?
A) Soil degradation
B) Improved biodiversity
C) Increased soil fertility
D) Enhanced water quality
Which of the following is a strategy to combat soil erosion?
A) Planting cover crops
B) Clearing vegetation
C) Overgrazing
D) Excessive tilling
What is the term for the gradual destruction of the natural habitat of an animal or plant species?
A) Habitat loss
B) Conservation
C) Biodiversity
D) Pollution
Which of the following is a common effect of overfishing?
A) Depletion of fish stocks
B) Increase in marine biodiversity
C) Improvement in water quality
D) Expansion of coral reefs
The concept of “sustainable development” focuses on:
A) Meeting current needs without compromising future generations
B) Rapid industrial growth
C) Depletion of natural resources
D) Increased pollution levels
Which of the following is a method of reducing carbon emissions in transportation?
A) Using electric vehicles
B) Increasing fossil fuel consumption
C) Expanding road networks
D) Encouraging long-distance travel
What is the primary environmental benefit of reducing plastic use?
A) Decreased ocean pollution
B) Increased industrial waste
C) Enhanced soil degradation
D) Higher carbon emissions
Which of the following is a strategy for managing urban air quality?
A) Reducing vehicle emissions
B) Increasing industrial activities
C) Encouraging deforestation
D) Promoting the use of coal
The term “sustainable agriculture” refers to:
A) Farming practices that maintain environmental health and productivity
B) Increasing the use of chemical fertilizers
C) Expanding land for agriculture
D) Maximizing the use of non-renewable resources
Which of the following is a common cause of soil contamination?
A) Pesticide runoff
B) Organic compost
C) Crop rotation
D) Sustainable farming practices
What is the main focus of environmental impact assessments?
A) Evaluating the potential effects of a project on the environment
B) Estimating the cost of construction projects
C) Assessing the efficiency of industrial machinery
D) Measuring the profitability of businesses
Which of the following is a method to reduce household energy consumption?
A) Using energy-efficient appliances
B) Increasing use of non-renewable resources
C) Expanding home size
D) Using more electrical devices
What is the term for the introduction of harmful substances into the environment?
A) Pollution
B) Conservation
C) Sustainability
D) Restoration
Which of the following practices helps in conserving water?
A) Using rain barrels
B) Increasing water usage
C) Expanding irrigation systems
D) Reducing vegetation
The “tragedy of the commons” refers to:
A) Overuse and depletion of shared resources
B) Effective management of communal resources
C) Conservation of natural habitats
D) Increase in biodiversity
What is the primary purpose of environmental regulations?
A) To protect natural resources and public health
B) To promote industrial expansion
C) To increase pollution levels
D) To decrease land conservation efforts
Which of the following is an example of a sustainable fishery practice?
A) Catch limits
B) Overfishing
C) Destructive fishing methods
D) Habitat destruction
What is the purpose of a green building certification?
A) To ensure buildings meet environmental sustainability standards
B) To increase construction costs
C) To reduce energy efficiency
D) To promote traditional building methods
Which of the following is a major cause of habitat fragmentation?
A) Urban expansion
B) Forest preservation
C) Wildlife protection
D) Ecological restoration
The term “sustainable energy” refers to:
A) Energy sources that can be replenished naturally
B) Fossil fuels
C) Nuclear waste
D) Non-renewable resources
What is the main environmental benefit of using public transportation?
A) Reduction in greenhouse gas emissions
B) Increase in air pollution
C) Greater energy consumption
D) Higher vehicle emissions
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