Question 1: Which phenomenon leads to increased algal blooms in water bodies?
Option 1: Deforestation
Option 2: Nutrient pollution
Option 3: Overfishing
Option 4: Global warming

Question 2: What is the primary cause of the urban heat island effect?
Option 1: Deforestation
Option 2: Increased vegetation
Option 3: Urbanization and construction
Option 4: Decreased vehicle emissions

Question 3: What role do mangroves play in coastal ecosystems?
Option 1: Prevent soil erosion
Option 2: Increase pollution
Option 3: Promote urbanization
Option 4: Reduce biodiversity

Question 4: What is the main impact of high levels of particulate matter in the air?
Option 1: Improved air quality
Option 2: Increased respiratory problems
Option 3: Enhanced plant growth
Option 4: Decreased temperatures

Question 5: Which renewable energy source primarily relies on flowing water?
Option 1: Solar power
Option 2: Wind power
Option 3: Biomass
Option 4: Hydroelectric power

Question 6: What is the main purpose of the Convention on Biological Diversity?
Option 1: Promote industrial development
Option 2: Protect global biodiversity
Option 3: Increase agricultural output
Option 4: Encourage urban expansion

Question 7: What is the primary cause of the salinization of soil?
Option 1: Overgrazing
Option 2: Excessive use of fertilizers
Option 3: Improper irrigation practices
Option 4: Deforestation

Question 8: What is the main effect of monoculture in agriculture?
Option 1: Increased biodiversity
Option 2: Soil degradation
Option 3: Enhanced soil fertility
Option 4: Reduced water usage

Question 9: Which gas primarily contributes to the smog in urban areas?
Option 1: Carbon dioxide
Option 2: Nitrogen
Option 3: Ozone
Option 4: Methane

Question 10: What is the primary benefit of integrated pest management (IPM)?
Option 1: Increased pesticide use
Option 2: Reduced environmental impact
Option 3: Higher crop yields
Option 4: Enhanced soil erosion

Question 11: What is the main cause of declining bee populations globally?
Option 1: Urbanization
Option 2: Pesticide use
Option 3: Increased vegetation
Option 4: Reduced carbon emissions

Question 12: What is the main goal of the Green Revolution?
Option 1: To reduce agricultural output
Option 2: To increase crop yields through improved technology
Option 3: To promote urban development
Option 4: To decrease the use of fertilizers

Question 13: What is the primary function of green belts in urban planning?
Option 1: Industrial development
Option 2: Limit urban sprawl
Option 3: Increase pollution
Option 4: Promote commercial activities

Question 14: What is the main impact of overuse of groundwater resources?
Option 1: Increased water quality
Option 2: Land subsidence
Option 3: Enhanced soil fertility
Option 4: Reduced air pollution

Question 15: What is the primary purpose of agroforestry?
Option 1: To reduce crop diversity
Option 2: To integrate tree planting with agriculture
Option 3: To promote monoculture
Option 4: To increase the use of chemical fertilizers

Question 16: What is the main consequence of the loss of topsoil?
Option 1: Increased soil fertility
Option 2: Reduced agricultural productivity
Option 3: Enhanced water retention
Option 4: Increased biodiversity

Question 17: What role does the Intergovernmental Panel on Climate Change (IPCC) play?
Option 1: Promotes fossil fuel use
Option 2: Provides scientific assessments on climate change
Option 3: Encourages deforestation
Option 4: Reduces renewable energy research

Question 18: What is the main effect of thermal pollution in water bodies?
Option 1: Decreased water temperature
Option 2: Increased fish populations
Option 3: Reduced oxygen levels
Option 4: Enhanced water clarity

Question 19: What is the primary goal of zero-waste initiatives?
Option 1: To increase landfill use
Option 2: To reduce resource consumption and waste production
Option 3: To promote industrial growth
Option 4: To reduce renewable energy use

Question 20: What is the main driver of ocean currents?
Option 1: Wind patterns
Option 2: Marine life
Option 3: Moon’s gravitational pull
Option 4: Sun’s heat