Cause and Effect Reasoning MCQs with Answers

Cause and Effect Reasoning MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Cause and Effect Reasoning MCQs for Preparation.

The student can clear their concepts for Cause and Effect Reasoning online quiz by attempting it. Doing MCQs based Cause and Effect Reasoning will help you to check your understanding and identify areas of improvement.

What is the effect of excessive rainfall?
a) Flooding
b) Drought
c) Heatwave
d) Earthquake

Answer
a) Flooding

What is the cause of deforestation?
a) Industrialization
b) Conservation efforts
c) Population growth
d) Global warming

Answer
a) Industrialization

What is the effect of regular exercise?
a) Weight gain
b) Improved cardiovascular health
c) Reduced sleep quality
d) Increased stress levels

Answer
b) Improved cardiovascular health

What is the cause of air pollution?
a) Renewable energy sources
b) Vehicle emissions
c) Greenhouse gas emissions
d) Forest conservation

Answer
b) Vehicle emissions

What is the effect of improper waste disposal?
a) Soil erosion
b) Water contamination
c) Increased biodiversity
d) Decreased air pollution

Answer
b) Water contamination

What is the cause of climate change?
a) Volcanic eruptions
b) Deforestation
c) Ozone depletion
d) Solar radiation

Answer
c) Ozone depletion

What is the effect of excessive use of plastic?
a) Reduced marine pollution
b) Increased recycling rates
c) Plastic waste accumulation
d) Reduced carbon emissions

Answer
c) Plastic waste accumulation

What is the cause of water scarcity?
a) Desalination techniques
b) Overconsumption of water
c) Rainwater harvesting
d) Efficient irrigation systems

Answer
b) Overconsumption of water

What is the effect of excessive use of pesticides?
a) Increased crop yield
b) Soil pollution
c) Pest control
d) Enhanced biodiversity

Answer
b) Soil pollution

What is the cause of ozone layer depletion?
a) Increased use of solar energy
b) Burning fossil fuels
c) Afforestation efforts
d) Reduced greenhouse gas emissions

Answer
b) Burning fossil fuels

What is the effect of global population growth?
a) Decreased demand for resources
b) Increased strain on natural resources
c) Improved standard of living
d) Reduced carbon footprint

Answer
b) Increased strain on natural resources

What is the cause of soil erosion?
a) Urbanization
b) Soil conservation practices
c) Reforestation efforts
d) Decreased rainfall

Answer
a) Urbanization

What is the effect of excessive noise pollution?
a) Improved sleep quality
b) Increased stress levels
c) Enhanced concentration
d) Reduced air pollution

Answer
b) Increased stress levels

What is the cause of food contamination?
a) Organic farming practices
b) Proper food handling and storage
c) Pesticide use
d) Food safety regulations

Answer
c) Pesticide use

What is the effect of renewable energy adoption?
a) Increased reliance on fossil fuels
b) Reduced carbon emissions
c) Global economic recession
d) Depletion of natural resources

Answer
b) Reduced carbon emissions

What is the cause of water pollution?
a) Conservation of water bodies
b) Industrial waste discharge
c) Rainwater harvesting
d) Effective sewage treatment

Answer
b) Industrial waste discharge

What is the effect of air pollution on human health?
a) Improved respiratory function
b) Reduced risk of lung diseases
c) Increased incidence of respiratory illnesses
d) Enhanced immune system

Answer
c) Increased incidence of respiratory illnesses

What is the cause of species extinction?
a) Biodiversity conservation efforts
b) Habitat destruction
c) Wildlife conservation laws
d) Species adaptation

Answer
b) Habitat destruction

What is the effect of pollution on aquatic ecosystems?
a) Increased fish population
b) Water purification
c) Algal bloom
d) Improved biodiversity

Answer
c) Algal bloom

What is the cause of soil fertility depletion?
a) Organic farming practices
b) Soil erosion prevention techniques
c) Chemical fertilizer use
d) Crop rotation

Answer
c) Chemical fertilizer use

What is the effect of climate change on sea levels?
a) Decreased sea level rise
b) Increased coastal erosion
c) Improved marine biodiversity
d) Reduced frequency of hurricanes

Answer
b) Increased coastal erosion

What is the cause of noise pollution in urban areas?
a) Soundproof buildings
b) Public transportation systems
c) Construction activities
d) Noise cancellation technology

Answer
c) Construction activities

What is the effect of waste recycling?
a) Increased landfill space
b) Reduced resource consumption
c) Higher energy consumption
d) Improved air quality

Answer
b) Reduced resource consumption

What is the cause of the greenhouse effect?
a) Ozone layer depletion
b) Increased deforestation
c) Industrial emissions
d) Natural climate variability

Answer
c) Industrial emissions

What is the effect of population migration?
a) Reduced cultural diversity
b) Increased economic growth
c) Decreased urbanization
d) Improved social cohesion

Answer
b) Increased economic growth

What is the cause of urban heat islands?
a) Green roof installations
b) Increased vegetation cover
c) High-rise buildings
d) Lack of open green spaces

Answer
d) Lack of open green spaces

What is the effect of deforestation on climate?
a) Reduced carbon dioxide levels
b) Increased rainfall
c) Enhanced soil fertility
d) Accelerated climate change

Answer
d) Accelerated climate change

What is the cause of soil salinization?
a) Soil conservation practices
b) Excessive irrigation
c) Crop rotation techniques
d) Rainwater harvesting

Answer
b) Excessive irrigation

What is the effect of biodiversity loss?
a) Increased ecological stability
b) Enhanced ecosystem services
c) Decreased resilience to environmental changes
d) Improved wildlife conservation efforts

Answer
c) Decreased resilience to environmental changes

What is the cause of natural resource depletion?
a) Sustainable resource management
b) Overexploitation of resources
c) Ecotourism initiatives
d) Enhanced recycling programs

Answer
b) Overexploitation of resources

What is the effect of pollution on human respiratory systems?
a) Strengthened lung function
b) Increased risk of respiratory diseases
c) Improved oxygen intake
d) Reduced allergic reactions

Answer
b) Increased risk of respiratory diseases

What is the cause of acid rain?
a) Reduced industrial emissions
b) Volcanic activity
c) Air pollution from fossil fuels
d) Increased pH levels in water bodies

Answer
c) Air pollution from fossil fuels

What is the effect of overfishing?
a) Increased fish population
b) Improved marine ecosystem balance
c) Decline in fish stocks
d) Enhanced aquatic biodiversity

Answer
c) Decline in fish stocks

What is the cause of waterlogging in agricultural fields?
a) Efficient irrigation techniques
b) Excessive rainfall
c) Soil erosion prevention measures
d) Drought conditions

Answer
b) Excessive rainfall

What is the effect of habitat loss on wildlife?
a) Increased species migration
b) Expanded habitat range
c) Endangered species recovery
d) Reduced species population

Answer
d) Reduced species population

What is the cause of land degradation?
a) Afforestation initiatives
b) Desertification
c) Soil conservation practices
d) Conservation of natural resources

Answer
b) Desertification

What is the effect of deforestation on local communities?
a) Increased access to natural resources
b) Loss of livelihood opportunities
c) Enhanced agricultural productivity
d) Improved water quality

Answer
b) Loss of livelihood opportunities

What is the cause of land pollution?
a) Proper waste management practices
b) Industrial waste disposal regulations
c) Soil erosion prevention techniques
d) Improper waste disposal

Answer
d) Improper waste disposal

What is the effect of plastic pollution on marine life?
a) Increased fish population
b) Enhanced biodiversity
c) Plastic ingestion and entanglement
d) Improved coral reef health

Answer
c) Plastic ingestion and entanglement

What is the cause of land subsidence?
a) Reduced groundwater extraction
b) Natural land erosion
c) Overpumping of groundwater
d) Increased vegetation cover

Answer
c) Overpumping of groundwater

What is the effect of deforestation on the water cycle?
a) Increased evaporation rates
b) Altered rainfall patterns
c) Enhanced groundwater recharge
d) Improved water quality

Answer
b) Altered rainfall patterns

What is the cause of the depletion of ozone layer?
a) Increased use of ozone-depleting substances
b) International ozone protection agreements
c) Reduced industrial emissions
d) Natural variations in atmospheric conditions

Answer
a) Increased use of ozone-depleting substances

What is the effect of overpopulation on urban infrastructure?
a) Reduced strain on public services
b) Improved transportation systems
c) Increased housing demand
d) Efficient waste management

Answer
c) Increased housing demand

What is the cause of forest fires?
a) Controlled burning practices
b) Wildlife conservation efforts
c) Natural lightning strikes
d) Reduction in carbon emissions

Answer
c) Natural lightning strikes

What is the effect of air pollution on climate change?
a) Reduced greenhouse gas emissions
b) Altered weather patterns
c) Enhanced carbon sequestration
d) Improved air quality

Answer
b) Altered weather patterns

What is the cause of waterborne diseases?
a) Clean drinking water supply
b) Effective sanitation practices
c) Contaminated water sources
d) Enhanced hygiene education

Answer
c) Contaminated water sources

What is the effect of excessive fertilizer use on aquatic ecosystems?
a) Increased fish population
b) Algal bloom and eutrophication
c) Enhanced water clarity
d) Improved aquatic biodiversity

Answer
b) Algal bloom and eutrophication

What is the cause of noise pollution in residential areas?
a) Soundproof building materials
b) Low traffic volume
c) Noisy household appliances
d) Noise cancellation technology

Answer
c) Noisy household appliances

What is the effect of pollution on wildlife habitats?
a) Increased habitat availability
b) Enhanced species adaptation
c) Habitat destruction and loss
d) Improved biodiversity conservation

Answer
c) Habitat destruction and loss

What is the cause of water scarcity in arid regions?
a) Heavy rainfall
b) Sustainable water management practices
c) Increased water storage capacity
d) Limited water sources and high evaporation rates

Answer
d) Limited water sources and high evaporation rates

What is the effect of pollution on the ozone layer?
a) Ozone layer repair
b) Increased UV radiation penetration
c) Enhanced stratospheric cooling
d) Improved air quality

Answer
b) Increased UV radiation penetration

What is the cause of the loss of biodiversity?
a) Conservation efforts
b) Habitat restoration programs
c) Habitat destruction and fragmentation
d) Species reintroduction projects

Answer
c) Habitat destruction and fragmentation

What is the effect of population growth on energy consumption?
a) Decreased demand for energy resources
b) Increased reliance on renewable energy
c) Energy conservation and efficiency
d) Rising energy demand and consumption

Answer
d) Rising energy demand and consumption

What is the cause of air quality deterioration in urban areas?
a) Decreased industrial emissions
b) Use of clean energy sources
c) Vehicle emissions and industrial activities
d) Implementation of air pollution control measures

Answer
c) Vehicle emissions and industrial activities

What is the effect of land pollution on agriculture?
a) Increased crop yields
b) Enhanced soil fertility
c) Soil contamination and reduced productivity
d) Improved pest control

Answer
c) Soil contamination and reduced productivity

What is the cause of coral reef bleaching?
a) Enhanced coral reef conservation efforts
b) Increased ocean temperature and pollution
c) Reduced fishing activities near coral reefs
d) Implementation of marine protected areas

Answer
b) Increased ocean temperature and pollution

What is the effect of climate change on agricultural productivity?
a) Increased crop yields
b) Diversification of agricultural practices
c) Reduced water availability for irrigation
d) Improved pest control

Answer
c) Reduced water availability for irrigation

What is the cause of increased frequency of natural disasters?
a) Climate change mitigation efforts
b) Environmental conservation programs
c) Human-induced climate change factors
d) Enhanced disaster preparedness and response

Answer
c) Human-induced climate change factors

What is the effect of pollution on human reproductive health?
a) Enhanced fertility rates
b) Increased risk of birth defects and infertility
c) Improved maternal and child health
d) Reduced hormonal disorders

Answer
b) Increased risk of birth defects and infertility

What is the cause of habitat fragmentation?
a) Wildlife conservation efforts
b) Habitat restoration projects
c) Urbanization and infrastructure development
d) Increased protected areas

Answer
c) Urbanization and infrastructure development

What is the effect of pollution on cultural heritage sites?
a) Preservation of historical artifacts
b) Improved site visibility and accessibility
c) Deterioration and damage to cultural artifacts
d) Enhanced tourism revenue

Answer
c) Deterioration and damage to cultural artifacts

What is the cause of land erosion?
a) Afforestation initiatives
b) Sustainable land management practices
c) Increased vegetation cover
d) Soil degradation and deforestation

Answer
d) Soil degradation and deforestation

What is the effect of pollution on human cognitive abilities?
a) Improved memory and concentration
b) Increased creativity and problem-solving skills
c) Impaired cognitive development and performance
d) Enhanced learning capabilities

Answer
c) Impaired cognitive development and performance

What is the cause of water scarcity in agricultural regions?
a) Efficient irrigation techniques
b) Increased rainfall patterns
c) Groundwater contamination
d) Improved water storage infrastructure

Answer
c) Groundwater contamination

What is the effect of pollution on the ozone layer?
a) Improved ozone layer recovery
b) Increased risk of skin cancer and cataracts
c) Enhanced UV radiation protection
d) Reduced greenhouse gas emissions

Answer
b) Increased risk of skin cancer and cataracts

What is the cause of desertification?
a) Reforestation initiatives
b) Excessive rainfall and flooding
c) Climate change and drought conditions
d) Enhanced soil conservation practices

Answer
c) Climate change and drought conditions

What is the effect of pollution on freshwater ecosystems?
a) Increased fish population
b) Improved water clarity and quality
c) Altered aquatic food chains and biodiversity
d) Enhanced aquatic vegetation growth

Answer
c) Altered aquatic food chains and biodiversity

What is the cause of noise pollution in urban areas?
a) Reduced construction activities
b) Noise-cancelling technologies
c) Urban planning and design strategies
d) Increased transportation and industrial noise

Answer
d) Increased transportation and industrial noise

What is the effect of climate change on sea-level rise?
a) Decreased coastal erosion
b) Improved marine biodiversity
c) Altered ocean currents and temperatures
d) Increased coastal flooding and erosion

Answer
d) Increased coastal flooding and erosion

What is the cause of deforestation in tropical regions?
a) Afforestation initiatives
b) Increased forest conservation efforts
c) Agriculture expansion and logging activities
d) Implementation of sustainable forestry practices

Answer
c) Agriculture expansion and logging activities

What is the effect of pollution on aquatic biodiversity?
a) Increased species diversity
b) Enhanced coral reef health
c) Altered aquatic food chains and habitats
d) Improved water clarity and quality

Answer
c) Altered aquatic food chains and habitats

What is the cause of air pollution indoors?
a) Use of energy-efficient appliances
b) Proper ventilation systems
c) Indoor smoking and chemical pollutants
d) Increased natural air circulation

Answer
c) Indoor smoking and chemical pollutants

What is the effect of pollution on human cardiovascular health?
a) Strengthened heart function
b) Decreased risk of heart diseases
c) Increased susceptibility to cardiovascular diseases
d) Improved blood circulation

Answer
c) Increased susceptibility to cardiovascular diseases

What is the cause of habitat destruction?
a) Protected areas and conservation measures
b) Habitat restoration and reforestation projects
c) Climate change and natural disasters
d) Human activities such as deforestation and urbanization

Answer
d) Human activities such as deforestation and urbanization

What is the effect of pollution on the quality of drinking water?
a) Enhanced taste and odor of water
b) Improved water purification processes
c) Contamination and health risks
d) Increased mineral content in water

Answer
c) Contamination and health risks

Leave a Comment