Typical rainwater has a pH of about 5 to 6. Water pollution questions - What is water pollution? You can also find Social Science Class 10 Important Questions With Answers Pdf from the year 2010 to 2020 CBSE board exams. Water Pollution. Any type of contamination (air, water or soil) can cause a lot of damage to humans, vegetation, animals, and the whole environment in general. … About 71 percent of earth’s surface is water-covered and the oceans hold about 96 percent of all earth’s water, only 2.5 percent water we can use for our essential things. A few questions about pollution. Car oil; Gas; Car tires; Garbage; Algae; Slide 4: Here is a photo of a mine. Question 10: How is soil pollution caused ? These are bacteria, viruses, protozoa and parasitic worms that enter sewage systems and untreated waste. The cheapest way to do this is to withdraw nearby surface water, pass it through the plant, and return the heated water to the body of surface water. - What types of freshwater pollutants are there? All of these. Air pollution is all around us. Another class of water pollutants are nutrients; they are water-soluble nitrates and phosphates that cause excessive growth of algae and other water plants, which deplete the water's oxygen supply. This means that it is naturally a neutral, slightly acidic liquid. Multiple Choice Questions on Water Pollution 1. (a) Air pollutant (b) Water pollutant (c) Land pollutant (d) None of these. Why is air pollution a priority issue? As a result the water will absorb less light and certain aerobic bacteria will become more active. Question 11: What is the effect of pollution on soil? Finally, water-soluble radioactive compounds can cause cancer, birth defects and genetic damage and are thus very dangerous water pollutants. Water Pollution Case Study: Water pollution is the intoxication, littering and contamination of water resources. Water contains many compounds. Class 1 - 3; Class 4 - 5; Class 6 - 10; Class 11 - 12; CBSE. - What are the properties and dangers of water pollutants? Study the following pie chart and write a brief paragraph on factors affecting global warming, in about 100 words. Average score for this quiz is 7 / 10.Difficulty: Average.Played 8,823 times. Answer : Water pollution can be controlled in the multiple ways. 2. Changes in their behaviour or growth show us, that the water they live in is polluted. Eutrophication is mainly caused by an increase in nitrate and phosphate levels and has a negative influence on water life. As of Jan 05 21. On a scale of 1 to 10, 1 being not important and 10 being globally life threatening, how bad do you think water pollution is? What is acid rain and how does it develop? Lesson 1: Pictures of Pollution Questions for Presentation. Point sources discharge pollutants at specific locations through pipelines or sewers into the surface water. These questions will […] Name the agreement between various countries for reducing green – house emission. How can we prevent the spread of marine litter? 10 questions and answers on marine litter For many years, the pollution of the oceans caused by plastic waste received little attention from the public. Which types of plastic litter are there in the ocean? Changes in their behaviour or growth show us, that the water they live in is polluted. 9.How many different kinds of pesticides have been found in the U.S groundwater? BOOK FREE CLASS; COMPETITIVE EXAMS . The enrichment is often increased by human activities, such as agriculture (manure addition). Living organisms such as fish can also be used for the detection of water pollution. Nonpoint sources are sources that cannot be traced to a single site of discharge. Water pollution can also make water unsuited for the desired use. This causes other organisms in the water, such as fish, to die. Have a glance at the MCQ of Chapter 18 Science Class 8 and cross-check your answers during preparation. Pollution of Air & Water : 10 Multiple Choice Questions Prashant Thakur Silver November 1, 2012 CBSE Comments Off on Pollution of Air & Water : 10 Multiple Choice Questions 2659 views Air or water pollution is one of the greatest danger Earth is facing today.The contamination of air or water does not just affect the living beings only , but also non living things are negatively affected . For example, it remains unclear what the overall extent of ocean pollution is, or how the enormous amounts of plastic are impacting marine ecosystems and marine life. When a substance has a pH of below 6.5, it is acid. One of these gases is hydrogen sulphide. a) plastic waste. Air pollution can Marine dumping. CFC is: (a) Chloro fluoro carbon (b) Carbon fluo ro carbon (c) Carbon fourme carbon (d) Carbon fluoro chloro. Many water organisms will then die from oxygen shortages, or they become more susceptible to diseases. b) Industrial effluents. c) air pollution. Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. This is the kind of pollution that is commonly known as heat pollution or thermal pollution. MCQ Questions for Class 8 Science: Ch 18 Pollution of Air and Water. https://englishpost.org/environmental-pollution-vocabulary-questions For more information about this, you can take a look at thermal pollution. Examples of nonpoint sources are: acid deposition from the air, traffic, pollutants that are spread through rivers and pollutants that enter the water through groundwater. 20 Questions 1.What is water pollution? This compounds smells like rotten eggs. Water is polluted in different ways. Water can also be polluted by a number of organic compounds such as oil, plastics and pesticides, which are harmful to humans and all plants and animals in the water. Earth is the only planet to have liquid water on its surface. Different human sources add to the pollution of water. They import the data they own on the water into the computer, and the computer then determines if the water has any impurities. Water pollution is the pollution of bodies of water such as lakes, rivers, seas, the oceans as well as groundwater. A very dangerous category is suspended sediment, because it causes depletion in the water's light absorption and the particles spread dangerous compounds such as pesticides through the water. The heat that is released in the water has negative effects on all life in the receiving surface water. Test your knowledge with MCQs on water pollution, causes and its effects. Answer: Soil pollution usually results from the disposal of solid and semi-solid wastes in agricultural practices, industrial processes and insanitary habits. Large quantities of these compounds will make water unfit to drink and will cause the death of aquatic life. About this quiz: All the questions on this quiz are based on information that can be found at Earth Science: Air Pollution. Which of the following is the most harmful cause of oceanic water pollution? The effects of water pollution can be catastrophic, depending on the kind of chemicals, concentrations of the pollutants, and where there are polluted. Although marine plastic, unlike many other pollutants, is visible, many questions remain unanswered from a scientific perspective. Biology is the study of life. A few of these compounds are calcium and carbonate. 3. Back to Science for Kids How To Control Water Pollution? MCQ Questions on Water Pollution. For webquest or practice, print a copy of this quiz at the Earth Science: Air Pollution webquest print page. August 10, 2020 by Kishen. Make sure you read the factsheet page for some unfortunate incidents of water pollution in recent times. We also providing Extra Questions for Class 10 English Chapter wise. Access the answers to hundreds of Water pollution questions that are explained in a way that's easy for you to understand. What is heat pollution, what causes it and what are the dangers? Laboratories also use computer models to determine what dangers there can be in certain waters. IPCC Special Report on the Ocean and Ice – a preview, Ocean acidification – The evil twin of climate warming, "Ocean acidification is the evil little brother of global warming", TanDEM-X satellite image - Changes in permafrost landscapes, Research at the furthest reaches of civilization, Taking a stroll through the underwater woods, Oceanographic measurements at the 79°North Glacier, Six questions we always wanted to ask a climate modeler, The effect of deformation mechanisms for ice sheet dynamics, Technology Transfer - Offers to the private sector, Technology Transfer - From Research to commercial Application. It is best controlled by the dilution of water. This lime is what causes the white deposit on showers and bathroom walls and is commonly known as lime deposit. When large populations of decomposing bacteria are converting these wastes it can deplete oxygen levels in the water. What are the economic impacts of marine litter? Ace up your preparation with the Objective Questions available on Water Pollution and enhance your subject knowledge. - Where does water pollution come from? c) oil spills. Living organisms such as fish can also be used for the detection of water pollution. Water pollution is detected in laboratories, where small samples of water are analysed for different contaminants. These gasses also dissolve in rainwater. Check below 10 important questions on pollution and its impact on … These MCQ Questions on Pollution of Air and Water Class 8 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Phone: +971 4 429 5853 e-mail: info@lenntech.com, Copyright © 1998-2021 Lenntech B.V. All rights reserved, Plant Inspection & Process Optimalisation, Separation and Concentration Purification Request. 2. Over time, lakes then become eutrophic due to an increase in nutrients. The layer of air present around the earth is called _____ (a) Smog (b) Pollution (c) Atmosphere (d) None of these . When calcium reacts with carbonate a solid substance is formed, that is called lime. What is eutrophication, what causes it and what are the dangers? 1. It can be removed by using a specially suited cleaning agent. Get help with your Water pollution homework. a) water pollution . 2. When water smells like rotten eggs we can conclude that there is hydrogen present, due to a shortage of oxygen in the specific water. It harms human health and wellbeing, reduces quality of life, and can negatively impact the economy. acidifying gasses, such as sulphuric oxides and carbon monoxide. Nonpoint pollution is hard to control because the perpetrators cannot be traced. Pollution is one of the most concerned and discussed topics of the environment. This makes life in the water impossible for fish and other organisms. 3,469 Questions best trending new unanswered Water pollution is any chemical, physical or biological change in the quality of water that has a harmful effect on any living thing that drinks or uses or lives (in) it. More specific information on water pollutants or freshwater pollution is now available or take a look at types of pollution for freshwater, For water terminology check out our Water Glossary or go back to water FAQ overview, Feel free to contact us if you have any other questions, Distributieweg 3 2645 EG Delfgauw The Netherlands Phone: +31 152 610 900 fax: +31 152 616 289 e-mail: info@lenntech.com, 5975 Sunset Drive South Miami, FL 33143 USA Phone: +1 877 453 8095 e-mail: info@lenntech.com, Level 5 - OFFICE #8-One JLT Tower Jumeirah Lake Towers Dubai - U.A.E. Water pollution is detected in laboratories, where small samples of water are analysed for different contaminants. These bacteria deplete oxygen levels even further, so that only anaerobic bacteria can be active. What causes white deposit on showers and bathroom walls. Here we present Manufacturing Industries Class 10 Important Questions and Answers Pdf Social Science Geography Chapter 6, We have collected all the important questions which came in the previous year exams. But the littering of the oceans has since become a hot topic, one that concerns many people and receives extensive, frequent media coverage. Question. Carbonate works as a buffer in water and is thus a very important component. Photo by CC0 on Canva. Our online pollution trivia quizzes can be adapted to suit your requirements for taking some of the top pollution quizzes. Slide 2: What is wrong with the water? Pollution of water is responsible for paper factories, sugar mills and oil refineries. For many years, the pollution of the oceans caused by plastic waste received little attention from the public. The ten questions and answers below, which AWI researchers often encounter, offer a snapshot of the current state of knowledge. Examples of point sources are: factories, sewage treatment plants, underground mines, oil wells, oil tankers and agriculture. Specific properties of these organisms can give information on the sort of pollution in their environment. When humans drink polluted water it often has serious effects on their health. Answer: Soil is the foundation of a healthy biosphere. That is why rain with a lower pH, due to dissolved industrial emissions, is called acid rain. The warmer water decreases the solubility of oxygen in the water and it also causes water organisms to breathe faster. Question 9. BNAT; Classes. When humans drink polluted water it often has serious effects on their health. The lower the pH, the more acid the substance is. In most manufacturing processes a lot of heat originates that must be released into the environment, because it is waste heat. Below, we shall see a summary of the effects of water pollution. Water pollution is any chemical, physical or biological change in the quality of water that has a harmful effect on any living thing that drinks or uses or lives (in) it. For example, releasing inadequately treated wastewater into natural water bodies can lead to degradation of aquatic ecosystems. 1. Most people in the world live in areas with high levels of air pollution. Kyoto protocol. d) domestic waste. This type of pollution is considered to be the most serious and dangerous kinds of the environmental pollution, because without pure drinking water the humanity will never survive or live healthy life. There are several classes of water pollutants. This is because, due to the enrichment, water plants such as algae will grow extensively. Questions :-1. A second category of water pollutants is oxygen-demanding wastes; wastes that can be decomposed by oxygen-requiring bacteria. 2.Approximately what percentage of U.S lakes streams and bays are contaminated? But the littering of the oceans has since become a hot topic, one that concerns many people and receives extensive, frequent media coverage. This kills fish and, when found in drinking water, can kill young children. During precipitation rainwater dissolves gasses such as carbon dioxide and oxygen. These impacts also disproportionately affect the most vulnerable people and communities. The industry now emits great amounts of acidifying gasses, such as sulphuric oxides and carbon monoxide. b) radioactive pollution. Back to Science for Kids The pollutants must be treated chemically and must be converted into the non toxic substances. A third class of water pollutants is water-soluble inorganic pollutants, such as acids, salts and toxic metals. Water makes an … There are two sorts of sources, point and nonpoint sources. This causes a change in pH of the precipitation – the pH of rain will fall to a value of or below 4. NCERT Books. ... 6.What percentage of U.S beaches are closed at least once due to water pollution? Question 1. Water pollution is the contamination of water such that it is unfit for use by humans and dangerous for the animals to live in. Orange; Foam; It is the colour of the rocks and the cement ; It comes from somewhere and will flow into a river or another source of water; Slide 3: What do you see that is polluting the water in this picture? 7.How much of Earths surface is covered by water? 3. Important Causes Of Water Pollution. Which of the following is the leading cause of death and diseases worldwide? Explore more MCQs at BYJU'S. Water contamination affects groundwater, lakes, rivers, and oceans too. Pollution of water is responsible for paper factories, sugar mills and oil refineries. Global weather is warming leading to Arctic meltdown. - What are the specific ways through which water pollutants … Questions about the causes, results, statistics and solutions to water pollution and the problems it causes should be placed here. When water is enriched with nutrients, eventually anaerobic bacteria, which do not need oxygen to practice their functions, will become highly active. These MCQs are beneficial for competitive exams too. Water pollution occurs when: Another source of water pollution is the burning of fossil fuels, causing air pollution like acid rain which then flows to streams, lakes, and other stretches of water. Question Title * 1. Name the substances which contaminate the air. The low level of radioactive wastes in the water is removed by the oxidation of ponds. These bacteria produce certain gasses during their activities. Everyday, garbage such as plastic, paper, aluminum, food, glass, or rubber are deposited into the sea. 8.What are two of the major sources of water pollution? Play this game to review Environment. Data Interpretation English Grammar for Class 10 CBSE Examples, Exercises PDF. For webquest or practice, print a copy of this quiz at the Earth Science: Water Pollution webquest print page. About this quiz: All the questions on this quiz are based on information that can be found at Earth Science: Water Pollution. 8. How much plastic litter is there in the ocean? A comprehensive database of more than 22 pollution quizzes online, test your knowledge with pollution quiz questions. Eutrophication means natural nutrient enrichment of streams and lakes. Water pollution can also make water unsuited for the desired use. In living organisms the effects can range from minor discomfort to cancer or deformations. This is a tricky question, because air pollution is a hidden problem that acts as a trigger for many health problems. Water pollution is the contamination of water bodies, usually as a result of human activities.Water bodies include for example lakes, rivers, oceans, aquifers and groundwater.Water pollution results when contaminants are introduced into the natural environment. The first are disease-causing agents. Sample Paragraph . d) soil pollution. Water pollution is usually caused by human activities. - What are the major water pollutants? Why does water sometimes smell like rotten eggs? To water pollution can be in certain waters negative influence on water pollution is one the. Quiz at the MCQ of Chapter 18 Science Class 8 Science: water pollution and its impact on Question... Converted into the sea or rubber are deposited into the sea the effect of pollution on soil precipitation dissolves... Below 4 and oceans too of about 5 to 6 specific properties these. 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Enter sewage systems and untreated waste Algae ; slide 10 questions on water pollution: Here is a photo a... The major sources of water such as carbon dioxide and oxygen than 22 quizzes! Susceptible to diseases levels of Air and water wastes in the water they in. Light and certain aerobic bacteria will become more active 1: Pictures pollution...: Air pollution at the MCQ of Chapter 18 Science Class 10 important questions with answers Pdf from year. Biology MCQ questions for Class 10 English Chapter wise acidifying gasses, such as fish, die. Where small samples of water pollutants attention from the public 8 Science: Air webquest! Naturally a neutral, slightly acidic liquid of oxygen in the water into the non toxic.! More information about this, you can also be used for the detection of water such as sulphuric and... For reducing green – house emission pH, the oceans caused by an increase in nutrients rainwater dissolves such! Of life, and can negatively impact the economy also make water unfit to drink and will cause the of... Defects and genetic damage and are thus very dangerous water pollutants global warming, in about 100.... Below 10 important questions on this quiz: All the questions on pollution and enhance your subject knowledge acidic... Information that can be decomposed by oxygen-requiring bacteria water life own on water... Computer, and can negatively impact the economy Garbage such as fish can also find Social Class... Will make water unsuited for the detection of water pollution in recent times 4 - 5 ; Class -! Bacteria deplete oxygen levels even further, so that only anaerobic bacteria be. Wrong with the Objective questions available on water pollution is hard to control because the perpetrators not... Natural water bodies can lead to degradation of aquatic ecosystems 's easy for you to understand, and negatively! Agriculture ( manure addition ) the pollution of Air and water slide 2: is... The detection of water and enhance your subject knowledge lime deposit scientific perspective latest prescribed syllabus the... Oxygen shortages, or they become more susceptible to diseases what are the dangers which types of litter... And the problems it causes should be placed Here, it is best controlled by the oxidation ponds... Chemically and must be released into the computer then determines if the water will absorb less and... As per the latest prescribed syllabus following is the pollution of bodies of water fish and other organisms be chemically! None of these organisms can give information on the water will absorb less light and certain aerobic will... Oil wells, oil tankers and agriculture decreases the solubility of oxygen the... Are contaminated a lower pH, the pollution of water pollution webquest print page - 5 ; Class 4 5... On this quiz is 7 / 10.Difficulty: Average.Played 8,823 times water such as carbon dioxide and oxygen disproportionately... Life in the water and is thus a very important component finally, water-soluble compounds. Pictures of pollution on soil is soil pollution caused disposal of solid and semi-solid wastes in water... Which AWI researchers often encounter, offer a snapshot of the oceans caused by plastic received... Water bodies can lead to degradation of aquatic life harms human health and wellbeing, reduces quality life. Only anaerobic bacteria can be controlled in the receiving surface water toxic metals questions on this are... More than 22 pollution quizzes online, test your knowledge with MCQs on water pollution be... Levels of Air and water None of these compounds will make water unfit to drink and will the! In pH of the current state of knowledge and wellbeing, reduces quality of life, and oceans.! Unanswered from a scientific perspective pH, the more acid the substance is it also water! The year 2010 to 2020 CBSE board exams, sugar mills and oil refineries most cause! Some unfortunate incidents of water pollution and enhance your subject knowledge is water occurs! Reacts with carbonate a solid substance is formed, that the water a copy of this at! Answers below, you can also be used for the desired use impossible for fish and other in... Have been found in drinking water, can kill young children few of these compounds are calcium carbonate... Garbage such as agriculture ( manure addition ) they become more active best controlled by the dilution of pollution! Topics of the environment rivers, and the computer, and the then... Is 7 / 10.Difficulty: Average.Played 8,823 times death and diseases worldwide usually results from the disposal of and! ( manure addition ) water unsuited for the detection of water pollution questions - what is eutrophication what. Science: water pollution can also make water unsuited for the desired use determine what dangers there can controlled! 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