The process by which water changes from a liquid to a gas is called:
A) Condensation
B) Precipitation
C) Evaporation
D) Infiltration
What is the primary source of energy that drives the water cycle?
A) Wind
B) Sun
C) Moon
D) Volcanoes
Which process in the water cycle involves water vapor cooling and forming clouds?
A) Evaporation
B) Transpiration
C) Condensation
D) Precipitation
Which of the following is NOT a step in the water cycle?
A) Precipitation
B) Infiltration
C) Photosynthesis
D) Runoff
What is the movement of water through plants and its release as vapor called?
A) Evaporation
B) Transpiration
C) Precipitation
D) Runoff
Which process in the water cycle replenishes groundwater?
A) Condensation
B) Precipitation
C) Infiltration
D) Evaporation
What is the main cause of acid rain?
A) Carbon dioxide emissions
B) Sulfur dioxide and nitrogen oxides
C) Ozone layer depletion
D) Excessive sunlight
Which type of water pollution is caused by industrial waste?
A) Thermal pollution
B) Noise pollution
C) Radiation pollution
D) Plastic pollution
What is the term for the contamination of water bodies with excessive nutrients, leading to algal blooms?
A) Acidification
B) Bioaccumulation
C) Eutrophication
D) Salinization
Which of the following is a major contributor to marine pollution?
A) Deforestation
B) Plastic waste
C) Solar radiation
D) Wind energy
What is the main source of groundwater pollution?
A) Volcanoes
B) Industrial chemicals and pesticides
C) Sunlight
D) Wind erosion
Which of the following is NOT a form of water pollution?
A) Oil spills
B) Heavy metal contamination
C) Noise pollution
D) Chemical runoff
What percentage of Earth’s water is freshwater?
A) 3%
B) 10%
C) 25%
D) 50%
Which human activity is most responsible for groundwater depletion?
A) Fishing
B) Agriculture
C) Air travel
D) Urban planning
Which international agreement aims to reduce marine pollution?
A) Kyoto Protocol
B) Paris Agreement
C) MARPOL Convention
D) Basel Convention
Which pollutant is most commonly associated with oil spills?
A) Lead
B) Mercury
C) Petroleum hydrocarbons
D) Chlorine
What is the term for when groundwater becomes too salty for human consumption?
A) Eutrophication
B) Desertification
C) Salinization
D) Acidification
Which of these can help reduce water pollution?
A) Using fewer pesticides
B) Increasing industrial waste disposal
C) Burning fossil fuels
D) Dumping plastics into rivers
Which ecosystem is most affected by excessive nutrient pollution?
A) Forests
B) Deserts
C) Oceans and lakes
D) Mountains
Which of the following is NOT a cause of water scarcity?
A) Overuse of freshwater resources
B) Climate change
C) Industrial pollution
D) Increased solar activity
What is the process of removing salt from seawater called?
A) Filtration
B) Desalination
C) Purification
D) Distillation
Which country has the highest per capita freshwater consumption?
A) India
B) China
C) USA
D) Brazil
Which human activity has the greatest impact on river pollution?
A) Fishing
B) Deforestation
C) Industrial waste discharge
D) Wind energy production
Which of the following best describes water conservation?
A) Using water efficiently to reduce waste
B) Increasing industrial water use
C) Reducing rainfall
D) Polluting water sources
Which gas is primarily responsible for ocean acidification?
A) Oxygen
B) Carbon dioxide
C) Methane
D) Nitrogen
What is a major cause of floods in urban areas?
A) Excessive groundwater recharge
B) Poor drainage systems
C) Drought
D) Increased solar activity
What is the major concern of waterborne diseases?
A) They spread through contaminated water
B) They only affect marine life
C) They are caused by air pollution
D) They only occur in developed countries
Which of the following is an effect of climate change on the water cycle?
A) Increased frequency of droughts and floods
B) Less evaporation
C) Stable rainfall patterns
D) Decreased ocean levels
What is the best way to prevent water pollution?
A) Dumping waste in rivers
B) Recycling and proper waste disposal
C) Using more plastic
D) Increasing industrial discharge
Which process in the water cycle involves water moving across land into rivers, lakes, and oceans?
A) Evaporation
B) Transpiration
C) Runoff
D) Condensation
