The yellow colour of human urine is due to ?->(Show Answer!)

1. The yellow colour of human urine is due to

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MCQ-> Study the following information to answer the given questions : Eight people — L, M, 0, P, 9, R and S — are sitting around a circular table facing the centre. Each of them likes different colours, viz., Red Orange, Blue, Pink, Black, Purple, Brown and Green, but not necessarily in the same order. S is sitting second to the left of N. There are two persons between S and the person who likes Orange colour. M is second to the left of the person who likes Orange colour. L is the immediate neighbour of S. R is the third to the right of P. 0 likes Purple colour. The person who likes Pink colour is second to the right of P. The person who likes Brown colour is the third to the left of the person who likes Blue colour. Neither S nor P likes Brown colour. N likes neither Green nor Blue colour. L likes Red colour.Who among the following is second to the right of the person who likes Orange colour ?
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MCQ-> Study the following information carefully and answer the question given below: A, M, P, J, H D and K are seven students of a school. They study in Std. III, IV, and V with at least two in any one standard.Each of them has different choice of colour from blue, red, green, yellow, black, white and brown not necessarily in the same order. M studies in Std. IV with only D who likes red colour. A studies in Std. V and does not like either blue or green. H does not study in Std. V and likes yellow colour. P and J study in the same Std. but not with A. None of these who study in Std.III likes white.The one who likes black studies in Std. IV. J likes brown colour. P does not like blue colour.Which colour does P like ?
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MCQ-> The passage given below is followed by a set of three questions. Choose the most appropriate answer to each question.The difficulties historians face in establishing cause-and-effect relations in the history of human societies are broadly similar to the difficulties facing astronomers, climatologists, ecologists, evolutionary biologists, geologists, and palaeontologists. To varying degrees each of these fields is plagued by the impossibility of performing replicated, controlled experimental interventions, the complexity arising from enormous numbers of variables, the resulting uniqueness of each system, the consequent impossibility of formulating universal laws, and the difficulties of predicting emergent properties and future behaviour. Prediction in history, as in other historical sciences, is most feasible on large spatial scales and over long times, when the unique features of millions of small-scale brief events become averaged out. Just as I could predict the sex ratio of the next 1,000 newborns but not the sexes of my own two children, the historian can recognize factors that made2 1 inevitable the broad outcome of the collision between American and Eurasian societies after 13,000 years of separate developments, but not the outcome of the 1960 U.S. presidential election. The details of which candidate said what during a single televised debate in October 1960 Could have given the electoral victory to Nixon instead of to Kennedy, but no details of who said what could have blocked the European conquest of Native Americans. How can students of human history profit from the experience of scientists in other historical sciences? A methodology that has proved useful involves the comparative method and so-called natural experiments. While neither astronomers studying galaxy formation nor human historians can manipulate their systems in controlled laboratory experiments, they both can take advantage of natural experiments, by comparing systems differing in the presence or absence (or in the strong or weak effect) of some putative causative factor. For example, epidemiologists, forbidden to feed large amounts of salt to people experimentally, have still been able to identify effects of high salt intake by comparing groups of humans who already differ greatly in their salt intake; and cultural anthropologists, unable to provide human groups experimentally with varying resource abundances for many centuries, still study long-term effects of resource abundance on human societies by comparing recent Polynesian populations living on islands differing naturally in resource abundance.The student of human history can draw on many more natural experiments than just comparisons among the five inhabited continents. Comparisons can also utilize large islands that have developed complex societies in a considerable degree of isolation (such as Japan, Madagascar, Native American Hispaniola, New Guinea, Hawaii, and many others), as well as societies on hundreds of smaller islands and regional societies within each of the continents. Natural experiments in any field, whether in ecology or human history, are inherently open to potential methodological criticisms. Those include confounding effects of natural variation in additional variables besides the one of interest, as well as problems in inferring chains of causation from observed correlations between variables. Such methodological problems have been discussed in great detail for some of the historical sciences. In particular, epidemiology, the science of drawing inferences about human diseases by comparing groups of people (often by retrospective historical studies), has for a long time successfully employed formalized procedures for dealing with problems similar to those facing historians of human societies. In short, I acknowledge that it is much more difficult to understand human history than to understand problems in fields of science where history is unimportant and where fewer individual variables operate. Nevertheless, successful methodologies for analyzing historical problems have been worked out in several fields. As a result, the histories of dinosaurs, nebulae, and glaciers are generally acknowledged to belong to fields of science rather than to the humanities.Why do islands with considerable degree of isolation provide valuable insights into human history?
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MCQ-> Study the following information carefully to answer these questions.Seven friends P, Q, R, S, T, U and V are teaching subjects Maths, Physics, Biology, English, History, Psychology and French not necessarily in the same order. Each one of them has liking for a different colour Pink, Green, Blue, Red, Yellow; White and Orange again not necessarily in the same order. T teaches Biology and likes Green colour. Q teaches History and he does not like Yellow or Orange: The one who likes Red teaches physics. P teaches French and likes Blue: The one who teaches English likes Pink. R teaches Maths and V teaches psychology. U does not like Red: Maths teacher does not like Yellow.Which colour is liked by V?
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