Cause and Effect MCQs with Answers

Cause and Effect 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 MCQs for Preparation.

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Cause and Effect Online MCQs with Answers

Question: What is the effect of regular exercise on cardiovascular health?
a) Increased blood pressure
b) Reduced risk of heart disease
c) Weakened immune system
d) Decreased energy levels

Question: What is the cause of deforestation?
a) Climate change
b) Industrialization
c) Conservation efforts
d) Renewable energy sources

Question: What is the effect of excessive screen time on sleep quality?
a) Improved sleep duration
b) Increased alertness
c) Disrupted sleep patterns
d) Enhanced cognitive function

Question: What is the cause of air pollution?
a) Deforestation
b) Vehicular emissions
c) Preservation of natural habitats
d) Use of renewable energy sources

Question: What is the effect of smoking on lung health?
a) Improved lung function
b) Reduced risk of respiratory diseases
c) Increased risk of lung cancer
d) Enhanced immune response

Question: What is the cause of water pollution?
a) Proper waste management
b) Preservation of aquatic ecosystems
c) Industrial waste discharge
d) Efficient water treatment systems

Question: What is the effect of regular exercise on mental well-being?
a) Increased stress levels
b) Reduced anxiety and depression
c) Decreased cognitive function
d) Weakened emotional resilience

Question: What is the cause of soil erosion?
a) Adequate vegetation cover
b) Proper land management practices
c) Heavy rainfall and wind erosion
d) Efficient irrigation systems

Question: What is the effect of excessive sugar consumption on dental health?
a) Strong and healthy teeth
b) Decreased risk of cavities
c) Tooth decay and gum diseases
d) Improved breath freshness

Question: What is the cause of climate change?
a) Natural climate cycles
b) Industrial pollution
c) Ozone depletion
d) Sustainable development practices

Question: What is the effect of regular reading on language skills?
a) Decreased vocabulary
b) Enhanced writing ability
c) Weakened reading comprehension
d) Reduced creativity

Question: What is the cause of traffic congestion in cities?
a) Efficient public transportation systems
b) Minimal private vehicle ownership
c) Poor urban planning
d) Reduced population density

Question: What is the effect of excessive salt intake on blood pressure?
a) Lowered blood pressure
b) Increased risk of hypertension
c) Enhanced cardiovascular health
d) Improved kidney function

Question: What is the cause of water scarcity in certain regions?
a) Excessive rainfall
b) Population growth
c) Adequate water management
d) Availability of water sources

Question: What is the effect of excessive alcohol consumption on liver health?
a) Strengthened liver function
b) Reduced risk of liver disease
c) Liver damage and cirrhosis
d) Improved detoxification abilities

Question: What is the cause of earthquakes?
a) Human activities
b) Plate tectonics
c) Air pollution
d) Solar radiation

Question: What is the effect of regular sunscreen use on skin health?
a) Increased risk of sunburn
b) Reduced risk of skin cancer
c) Dry and flaky skin
d) Decreased melanin production

Question: What is the cause of inflation?
a) Decreased money supply
b) Increased consumer spending
c) Stable employment rates
d) Low demand for goods and services

Question: What is the effect of deforestation on wildlife?
a) Increased habitat availability
b) Enhanced biodiversity
c) Loss of habitat and species extinction
d) Improved natural balance

Question: What is the cause of high blood pressure?
a) Regular exercise
b) Healthy diet
c) Genetics and family history
d) Low sodium intake

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

Question: What is the cause of soil fertility depletion?
a) Efficient irrigation techniques
b) Crop rotation and organic farming practices
c) Excessive use of synthetic fertilizers
d) Preservation of natural ecosystems

Question: What is the effect of deforestation on climate regulation?
a) Increased rainfall patterns
b) Enhanced carbon sequestration
c) Stable temperature levels
d) Altered weather patterns

Question: What is the cause of foodborne illnesses?
a) Proper food handling and storage practices
b) Adequate cooking temperatures
c) Consumption of fresh and unprocessed foods
d) Contamination with pathogens or toxins

Question: What is the effect of deforestation on water cycles?
a) Increased water availability
b) Reduced risk of floods
c) Altered hydrological patterns
d) Improved water quality

Question: What is the cause of biodiversity loss?
a) Habitat conservation efforts
b) Sustainable resource management
c) Introduction of invasive species
d) Preservation of natural ecosystems

Question: What is the effect of deforestation on indigenous communities?
a) Enhanced cultural preservation
b) Improved socioeconomic conditions
c) Loss of ancestral lands and cultural heritage
d) Strengthened community cohesion

Question: What is the cause of climate-related natural disasters?
a) Volcanic activity
b) Solar radiation
c) Human-induced greenhouse gas emissions
d) Natural climate variability

Question: What is the effect of deforestation on soil erosion?
a) Enhanced soil fertility
b) Reduced sedimentation in water bodies
c) Increased soil erosion and degradation
d) Improved water retention capacity

Question: What is the cause of waterborne diseases?
a) Availability of clean drinking water sources
b) Proper sanitation and hygiene practices
c) Consumption of contaminated water
d) Preservation of aquatic ecosystems

Question: What is the effect of deforestation on global carbon emissions?
a) Increased carbon sequestration
b) Reduced greenhouse gas concentrations
c) Elevated atmospheric carbon dioxide levels
d) Improved air quality

Question: What is the cause of urban heat island effect?
a) Increased vegetation cover in cities
b) Limited infrastructure development
c) Conversion of natural land to urban areas
d) Reduced energy consumption in buildings

Question: What is the effect of deforestation on wildlife migration patterns?
a) Enhanced habitat connectivity
b) Increased species dispersion
c) Disrupted migration routes and habitats
d) Improved biodiversity conservation

Question: What is the cause of acid rain?
a) Reduced air pollution levels
b) Preservation of natural forests
c) Emission of sulfur and nitrogen compounds
d) Use of renewable energy sources

Question: What is the effect of deforestation on local climate?
a) Increased humidity levels
b) Reduced temperature variations
c) Altered rainfall patterns
d) Improved air circulation

Question: What is the cause of soil pollution?
a) Organic waste recycling
b) Soil erosion prevention measures
c) Industrial waste disposal
d) Preservation of natural ecosystems

Question: What is the effect of deforestation on indigenous plant species?
a) Increased plant diversity
b) Enhanced ecosystem resilience
c) Loss of native plant species
d) Improved soil fertility

Question: What is the cause of marine pollution?
a) Sustainable fishing practices
b) Preservation of coral reefs
c) Oil spills and discharge of pollutants
d) Conservation of marine habitats

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

Question: What is the cause of ozone layer depletion?
a) Reduced greenhouse gas emissions
b) Release of chlorofluorocarbons (CFCs)
c) Preservation of natural ozone sources
d) Solar radiation variations

Question: What is the effect of deforestation on river ecosystems?
a) Increased fish population
b) Enhanced water quality
c) Loss of aquatic biodiversity
d) Improved river flow patterns

Question: What is the cause of noise pollution?
a) Use of soundproof materials
b) Preservation of natural habitats
c) Industrial and transportation activities
d) Implementation of noise regulations

Question: What is the effect of deforestation on local communities?
a) Improved access to natural resources
b) Enhanced economic opportunities
c) Disruption of livelihoods and food security
d) Strengthened social cohesion

Question: What is the cause of food insecurity?
a) Sustainable agricultural practices
b) Increased crop yields
c) Limited access to food distribution networks
d) Preservation of farmlands

Question: What is the effect of deforestation on medicinal plant availability?
a) Increased medicinal plant diversity
b) Enhanced traditional medicine practices
c) Decreased availability of medicinal plants
d) Improved natural healing abilities

Question: What is the cause of noise-induced hearing loss?
a) Listening to music at moderate volumes
b) Use of noise-canceling headphones
c) Exposure to loud noises over time
d) Preservation of natural soundscapes

Question: What is the effect of deforestation on soil fertility?
a) Enhanced nutrient cycling
b) Reduced soil erosion rates
c) Altered soil composition and decreased fertility
d) Improved agricultural productivity

Question: What is the cause of wildlife poaching?
a) Wildlife conservation efforts
b) Preservation of natural habitats
c) Demand for illegal animal products
d) Strengthened law enforcement

Question: What is the effect of deforestation on carbon sequestration?
a) Increased carbon storage in the atmosphere
b) Reduced greenhouse gas concentrations
c) Loss of carbon sinks and increased emissions
d) Improved air quality

Question: What is the cause of plastic pollution in oceans?
a) Recycling and waste management practices
b) Limited use of single-use plastics
c) Improper disposal and littering
d) Preservation of marine ecosystems