1. The biological decomposition of organic substances in wastes controlled conditions is called





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MCQ->The biological decomposition of organic substances in wastes controlled conditions is called....
MCQ-> In the following questions, you have a brief passage with 5 questions. Read the passage carefully and choose the best answer to each question out of the four alternatives.The problem of water pollution by pesticides can be understood only in context, as part of the whole to which it belongs – the pollution of the total environment of mankind. The pollution entering our waterways comes from many sources, radioactive wastes from reactors, laboratories, and hospitals; fallout from nuclear explosions; doemstic wastes from cities and towns; chemical wastes from factories. To these is added a new kid of fallout – the chemcial sprays applied to crop lands and gardens, forests and fields. Many of the chemical agents in this alarming melange initiate and augment the harmful effects of radiation, and within the groups of chemicals themselves there are sinister and little – understood interactions, transformations, and summations of effect. Ever since the chemists began to manufacture substances that nature never invented, the problem of water purification have become complex and the danger to users of water has increased. As we have seen, the production of these synthetic chemicals in large volume began in the 1940’s. It has now reached such proportion that an appalling deluge of chemical pollution is daily poured into the nation’s waterways. When inextricably mixed with domestic and other wastes discharged into the same water, these chemicals sometiems defy detection by the methods in ordinary use by purification plants. Most of them are so complex that they cannot be identified. In rivers, a really incredible variety of pollutants combine to produce deposits that sanitary engineers can only despairingly refer to as “gunk”.All the following words mean ‘chemicals’ except
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MCQ-> Answer questions on the basis of information given in the following case. Mohan’s was a popular fast - food joint at Connaught Place, Delhi. Initially Mohan handled his business alone. His sons, Ram and Kishan, joined the business after graduation from college. Ram was entrepreneurial in nature. Subsequently, another branch of Mohan’s was opened in Panipat. Mohan had chosen Ram to head the Panipat branch. Though Ram increased sales in short time, he had stopped using premium quality organic vegetables, the speciality of Mohan’s. Mohan and Kishan were not happy with his way of doing business. Now, the foremost challenge for Mohan was to sort out this issue with Ram. Mohan knew that replacing Ram with Kishan was difficult as Kishan did not want to leave Delhi. However, giving a freehand to Ram might have long term negative consequences. Mohan was confused about the future of course of actions.Mohan sought the help of five consultants, who give the following opinions: I. Organic vegetables might be a big success at Connaught place but awareness about organic vegetables is low among Panipat customers. II. The Connaught place model can be implemented in Panipat provided the business is prepared to face the consequences. III. Many high end restaurants in Panipat use organic vegetables. So, using organic vegetables will not be a differentiating factor. IV. Selling prices of their dishes in Panipat are significantly lower. Using organic vegetables will bring down profits. V. Premium quality org anic vegetables are not easily available in Panipat. Which of the following set of options would support Ram’s argument of not using organic vegetables?....
MCQ-> Read the given passage carefully and select the best answer to each question out of the four given alternatives.A growing demand for organics, and the near-total reliance by US farmers on genetically modified corn and soybeans, is driving a surge in imports from other nations where crops largely are free of bioengineering. Imports such as corn from Romania and soybeans from India are booming, according to an analysis of US trade data released Wednesday by the Organic Trade Association and Pennsylvania State University. That shows a potential market for US growers willing to avoid the use of artificial chemicals and genetically modified seeds, said Laura Batcha, chief executive officer of the association, which includes Whole Foods Market Inc., Whitewave Foods Co. and Earthbound Farm LLC. The report is "a help-wanted sign" for US farmers, Batcha said. "There are market distortions that are pretty striking." Most of the corn and soybean shipments become feed for chickens and cows so they can be certified organic under US Department of Agriculture guidelines. Organic poultry and dairy operators shun feed made with seeds from Monsanto Co. and other domestic suppliers in favor of foreign products even as the US remains the world’s top grower of corn and soybeans. As a result, imports to the US of Romanian corn rose to $11.6 million in 2014 from $545,000 the year before. Soybean imports from India more than doubled to $73.8 million. Rising consumer demand in what’s been a niche market is creating shortages, pushing companies that supply farms needing organic feed to seek out foreign sources. About 90% of US corn and soy is bioengineered, thus automatically ineligible for the organic label.What is driving a surge in imports from other nations?
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MCQ->Consider the following statements :In solid waste management1. density separation of solid wastes can be accomplished by air classifiers.2. iron recovery from solid wastes can be done by magnetic separators.3. aluminium separation from solid wastes can be accomplished by eddy current separators. Which of the statements given above are correct ?....
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