#1
Which of the following is the largest consumer of water worldwide?
Agriculture
Industry
Residential use
Commercial use
#2
What percentage of Earth's water is freshwater?
#3
Which of the following is a key factor contributing to water scarcity?
Climate change
Urbanization
Overpopulation
All of the above
#4
What is the term for the process by which water evaporates from plants?
Transpiration
Condensation
Precipitation
Infiltration
#5
What is the term for the process of collecting and storing rainwater for later use?
Rainwater harvesting
Stormwater management
Aquifer storage
Groundwater recharge
#6
Which of the following is a major cause of water pollution?
Industrial discharges
Agricultural runoff
Improper waste disposal
All of the above
#7
Which of the following is not a method of water conservation?
Rainwater harvesting
Desalination
Drip irrigation
Xeriscaping
#8
What is the primary purpose of greywater recycling?
To reduce wastewater treatment costs
To conserve freshwater resources
To improve water quality
To increase agricultural productivity
#9
Which country is the largest exporter of bottled water?
Italy
France
China
United States
#10
What is the term for the process of removing salt from seawater to make it suitable for drinking?
Desalination
Filtration
Purification
Deionization
#11
Which country has the highest per capita water usage?
United States
Canada
Australia
Saudi Arabia
#12
What is the primary function of a water treatment plant?
To extract minerals from water
To add nutrients to water
To remove contaminants from water
To increase water temperature
#13
Which organization oversees the implementation of the Clean Water Act in the United States?
EPA (Environmental Protection Agency)
WHO (World Health Organization)
UNESCO (United Nations Educational, Scientific and Cultural Organization)
FDA (Food and Drug Administration)
#14
Which river is the longest in the world?
Amazon
Nile
Yangtze
Mississippi
#15
Which of the following is a characteristic of hard water?
Low mineral content
High pH
Contains dissolved calcium and magnesium ions
Easily lathers with soap
#16
What is the term for the process of reducing water flow by obstructing its passage?
Erosion control
Water diversion
Water conservation
Water obstruction
#17
What is the primary objective of water quality monitoring?
To increase water availability
To ensure compliance with regulations
To promote water privatization
To reduce waterborne diseases