10 questions on water pollution

8. About this quiz: All the questions on this quiz are based on information that can be found at Earth Science: Water Pollution. These gasses also dissolve in rainwater. This lime is what causes the white deposit on showers and bathroom walls and is commonly known as lime deposit. Multiple Choice Questions on Water Pollution 1. Back to Science for Kids There are several classes of water pollutants. 8.What are two of the major sources of water pollution? For webquest or practice, print a copy of this quiz at the Earth Science: Water Pollution webquest print page. It is best controlled by the dilution of water. Kyoto protocol. Photo by CC0 on Canva. Answer: Soil pollution usually results from the disposal of solid and semi-solid wastes in agricultural practices, industrial processes and insanitary habits. (a) Air pollutant (b) Water pollutant (c) Land pollutant (d) None of these. a) water pollution . Finally, water-soluble radioactive compounds can cause cancer, birth defects and genetic damage and are thus very dangerous water pollutants. The low level of radioactive wastes in the water is removed by the oxidation of ponds. Earth is the only planet to have liquid water on its surface. Important Causes Of Water Pollution. This causes a change in pH of the precipitation – the pH of rain will fall to a value of or below 4. This makes life in the water impossible for fish and other organisms. Question 11: What is the effect of pollution on soil? These are bacteria, viruses, protozoa and parasitic worms that enter sewage systems and untreated waste. 20 Questions 1.What is water pollution? Changes in their behaviour or growth show us, that the water they live in is polluted. How can we prevent the spread of marine litter? 1. 7.How much of Earths surface is covered by water? Which of the following is the leading cause of death and diseases worldwide? 1. NCERT Books. Pollution of water is responsible for paper factories, sugar mills and oil refineries. Living organisms such as fish can also be used for the detection of water pollution. Pollution is one of the most concerned and discussed topics of the environment. Many water organisms will then die from oxygen shortages, or they become more susceptible to diseases. It harms human health and wellbeing, reduces quality of life, and can negatively impact the economy. 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. d) domestic waste. Examples of point sources are: factories, sewage treatment plants, underground mines, oil wells, oil tankers and agriculture. a) plastic waste. The effects of water pollution can be catastrophic, depending on the kind of chemicals, concentrations of the pollutants, and where there are polluted. - What are the major water pollutants? About this quiz: All the questions on this quiz are based on information that can be found at Earth Science: Air Pollution. The enrichment is often increased by human activities, such as agriculture (manure addition). When humans drink polluted water it often has serious effects on their health. Air pollution is all around us. Over time, lakes then become eutrophic due to an increase in nutrients. Why is air pollution a priority issue? Access the answers to hundreds of Water pollution questions that are explained in a way that's easy for you to understand. Water Pollution. Carbonate works as a buffer in water and is thus a very important component. When a substance has a pH of below 6.5, it is acid. Below, we shall see a summary of the effects of water 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. Class 1 - 3; Class 4 - 5; Class 6 - 10; Class 11 - 12; CBSE. Water contamination affects groundwater, lakes, rivers, and oceans too. Water pollution is detected in laboratories, where small samples of water are analysed for different contaminants. What are the economic impacts of marine litter? All of these. 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 . Data Interpretation English Grammar for Class 10 CBSE Examples, Exercises PDF. acidifying gasses, such as sulphuric oxides and carbon monoxide. Nonpoint pollution is hard to control because the perpetrators cannot be traced. b) radioactive pollution. Laboratories also use computer models to determine what dangers there can be in certain waters. c) air pollution. 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. Water makes an … Water pollution is the pollution of bodies of water such as lakes, rivers, seas, the oceans as well as groundwater. This causes other organisms in the water, such as fish, to die. CFC is: (a) Chloro fluoro carbon (b) Carbon fluo ro carbon (c) Carbon fourme carbon (d) Carbon fluoro chloro. Although marine plastic, unlike many other pollutants, is visible, many questions remain unanswered from a scientific perspective. What is eutrophication, what causes it and what are the dangers? This is the kind of pollution that is commonly known as heat pollution or thermal pollution. Which types of plastic litter are there in the ocean? Average score for this quiz is 7 / 10.Difficulty: Average.Played 8,823 times. When calcium reacts with carbonate a solid substance is formed, that is called lime. What is acid rain and how does it develop? A third class of water pollutants is water-soluble inorganic pollutants, such as acids, salts and toxic metals. But the littering of the oceans has since become a hot topic, one that concerns many people and receives extensive, frequent media coverage. These MCQs are beneficial for competitive exams too. Changes in their behaviour or growth show us, that the water they live in is polluted. Point sources discharge pollutants at specific locations through pipelines or sewers into the surface water. Water is polluted in different ways. As a result the water will absorb less light and certain aerobic bacteria will become more active. It can be removed by using a specially suited cleaning agent. Water pollution is the contamination of water such that it is unfit for use by humans and dangerous for the animals to live in. Eutrophication is mainly caused by an increase in nitrate and phosphate levels and has a negative influence on water life. In most manufacturing processes a lot of heat originates that must be released into the environment, because it is waste heat.

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