WorksheetsVAC QUIZ
Total questions: 31
Worksheet time: 22mins
What term is used for the contamination of water by harmful substances?
Water Prevention
Water conservation
Water population
Water pollution
Which of the following is a method to purify drinking water?
Boiling
Contaminating
Storing
Polluting
What is the process of removing harmful substances from water called?
Water filtration
Water contamination
Water conservation
Water distribution
Acid rain is a cause of pollution
Yes
No
Maybe
What is the primary source of drinking water for most people?
Rainwater
Groundwater
Desalinated water
Surface water
Which of the following is a common indicator of water quality?
pH level
Temperature
Color
All of the above
What is the term for the process of adding chemicals to water to remove impurities?
Water chlorination
Water filtration
Water treatment
Water recycling
What is the main purpose of water treatment facilities?
To purify water
To distribute water
To store water
To pollute water
Which of the following is a common method for testing water quality?
Chemical analysis
Visual inspection
Smell test
All of the above
What is the term for the process of making seawater drinkable?
Desalination
Filtration
Chlorination
Purification
Example of pollution Diseaster
Hiroshima and Nagasaki
Bhopal Gas tragedy
Minamata diseaster
All of the above
Which of the following is a common pollutant found in drinking water?
Lead
Oxygen
Hydrogen
Carbon dioxide
What is the term for the process of restoring polluted water to a clean state?
Water reclamation
Water filtration
Water conservation
Water distribution
Black foot disease
Arsenic
Oxygen
Hydrogen
Atom
Which is NOT the cause of pollution
Industrialisation
Urbanization
Burning of fuel
Reforestation
What is the primary cause of eutrophication in water bodies?
Nutrient runoff
Water evaporation
Soil erosion
Natural filtration
Which of the following is a method to reduce water pollution?
Using biodegradable products
Increasing plastic usage
Dumping waste in rivers
Overusing fertilizers
What is the term for the introduction of harmful substances into water?
Water contamination
Water purification
Water conservation
Water filtration
Green House Effect is
Greenhouse effect is the process by which radiations from the sun are absorbed by the greenhouse gases and not reflected back into space. This insulates the surface of the earth and prevents it from freezing.
A greenhouse is a house made of glass that can be used to grow animals
Greenhouse gases are the gases that absorb the infrared radiations and create a greenhouse effect. For eg., oxygen and mercury
None of the above
What is the primary effect of water pollution on aquatic life?
Increased oxygen levels
Decreased biodiversity
Improved water clarity
Enhanced growth of aquatic plants
Which of the following is a consequence of excessive fertilizer use in agriculture?
Soil enrichment
Water eutrophication
Increased crop yield
Reduced pest populations
What is the main goal of wastewater treatment plants?
To recycle water
To remove contaminants
To store water
To increase water temperature
How can you save the planet?
Acid rain is cause due to
(a)
What is the primary benefit of using rainwater harvesting systems?
Reduces water bills
Increases groundwater levels
Prevents flooding
All of the above
Bhapal Gas tragedy happened due to the leakage of
(a)
The gas emitted from Refrigerator is
CFC
CDC
CAC
CPC
What is the primary purpose of using water filters?
To remove impurities
To add chemicals
To increase water temperature
To store water
Which of the following is a common source of water contamination?
Industrial waste
Rainwater
Groundwater
Desalinated water
What is the effect of heavy metals in drinking water?
Improved taste
Health risks
Increased clarity
Enhanced mineral content
Draw an actionable step to save environment

