1. A protein solution on warming with concentrated nitric acid may turn yellow called? -Police Sub Inspector (2014)





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MCQ->A protein solution on warming with concentrated nitric acid may turn yellow called? -Police Sub Inspector (2014)....
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MCQ-> Choose the most appropriate option to fill in the blanks in the given passage. Passage The Earth's temperature is rising (1).......Scientists say that the rise in the average temperature ranges from 1.8°C to 4°C. This (2).......in temperature is called global warming or climate change. Although it is a natural phenomenon. human action is the (3)....... cause of global warming The burning of fossil fuels such as petroleum and coal (4) ...... a lot of greenhouse gases into the Earth's atmosphere. Carbondioxide. methane and nitrous oxide are the main greenhouse gases (5)...... for global warming. Besides greenhouse gases, deforestation is (6)....... major cause of this problem. Global warming has led to changes in temperature and rainfall patterns which have severely (7)...... agriculture. No one can (8)....... that this is the most serious environmental challenge that mankind is facing today. While it is not possible to reverse the process. the rate of global warming can be checked if all the countries (9)..... some measures. (10) ) ........ of the measures is the recycling and reusing articles like paper, glass. aluminum and plastic.Select the most appropriate option to fill blank no 1.
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MCQ->In this question, a passage is given followed by a statement. Read the passage carefully and judge the statement based on the given passage. The strong olfactory sense elephants ar e known for has come as a blessing in disguise for the police in curbing illicit liquor trade in Uttarakhand’s Udham SinghNagar district. The animals find lahan, the substance used for brewing liquor, hidden in forests of Khatima in the district, and destroy them. Manufacturers brew it near nullahsdeep inside the forests or near the villages to avoid police raids as flowing water is required for fermentation. Lahan is sealed in barrels or polythene bags and buried for four to five days for fermentation. Elephants reach the spot by smelling the substance and destroy the barrels to consume the liquor, said Yogesh Upadhaya, inspector, Khatima police station. He said some traders keep the barrels on scaffoldings on trees but they are easily spotted by the police. “We have destroyed thousand litres of lahan in the past 23 months. They were stored in barrels on scaffoldings,” said Yogesh Upadhyay, inspector. “Miscreants place barrels of lahan on trees to keep them away from elephants. Elephants find them and destroy the barrels to consume the substance, causing heavy loss to the manufacturers,” he added. A villager, said: “The liquor is sold for Rs 80 to 100 per litre in villages. Since it is cheaper than liquor available in the market, people buy it even after knowing its impact on health. Elephants are playing vital role in curbing the trade.” Statement: Police officially use elephants to stop illicit liquor trade.Choose the appropriate one from the following options A The statement is definitely true. B The statement is probably true. C The statement cannot be determ ined. D The statement is definitely false.....
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