29 Questions
What percentage of the world's wastewater is discharged without adequate treatment?
80 percent
Which of the following is NOT a potential impact of water pollution mentioned in the text?
Causing soil erosion and landslides
What percentage of the earth's freshwater is actually accessible to us?
Less than 1 percent
Which of the following is an example of a point source of water pollution?
Wastewater discharged legally by a manufacturer
What is the primary cause of water pollution mentioned in the text?
Discharge of pollutants directly into water bodies without adequate treatment
What is the estimated number of deaths each year due to unsafe drinking-water, sanitation, and hand hygiene?
829,000
What is one of the major sources of organic waste pollutants in water bodies?
Domestic sewage
Which of the following is a direct effect of water pollution on aquatic ecosystems?
Elimination of sensitive organisms like plankton and fish
Which of the following statements is NOT true according to the information provided in the text?
Water pollution is caused by the discharge of treated wastewater into water bodies.
What is a major source of sediment pollution in water bodies?
Soil erosion due to agriculture and mining activities
Which of the following is NOT a nonpoint source of water pollution?
Wastewater discharged illegally by a manufacturer
What is a major source of radioactive pollution in water bodies?
Mining of uranium/thorium containing minerals
What can happen when hot waters discharged from industries lower the Dissolved Oxygen (DO) content in water bodies?
Water borne diseases like cholera and typhoid
Which of the following is NOT listed as a pathogen commonly found in polluted water mentioned in the text?
Streptococcus faecalis
What can leaky sewage collection systems in older cities with aging infrastructure cause?
Sanitary sewer overflows due to inadequately treated sewage
What negative health effects can result from exposure to water contaminated with mercury compounds?
Cancer of lungs and liver
What type of disease can be caused by water contaminated with cadmium?
Itai itai disease (ouch-ouch disease)
Which bacteria, found in human excreta, is responsible for gastrointestinal diseases according to the text?
E. coli
Which of the following is the largest source of livelihoods in India?
Agriculture and allied sectors
What percentage of farmers in India are classified as small and marginal?
82%
Which of the following is NOT a factor contributing to soil pollution?
Rainfall
What percentage of India's total land area is classified as agricultural land?
43.6%
Which of the following statements about soil pollution is true?
It cannot be directly assessed or visually perceived, making it a hidden danger.
What percentage of India's total land area is classified as permanent pastures and meadows?
4.6%
What is the primary source of wastewater according to the text?
Municipal wastewater
Which of the following is not a common method of wastewater treatment mentioned in the text?
Reverse osmosis
What is the wastewater amount required for the production of 1 unit (kg or L) of wool?
100 L
Which of the following is NOT a reason for the importance of soil according to the text?
Soil is essential for the growth of plants and animals.
What is the main driver of antimicrobial resistance according to the text?
Insufficient treatment of wastewater
Explore the causes, impacts, and treatment methods of water pollution in River Beas (Punjab) and River Cooum (Tamil Nadu). Learn about various sources of pollution and different treatment methods to mitigate the effects. Dive into resources from experts like Dr. Luxmy Begum, Richard J. Schmitz, and O. P. Gupta.
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