TS EAMCET Evolution — practice questions
70 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice TS EAMCET Evolution in the app →The earth is thought to have formed about how long ago?The idea that units of life called spores were carried to earth from other planets is called:The belief that living things arise from rotting straw and mud is known as:On the early earth, UV rays from the sun split which molecule into hydrogen and oxygen?Oparin and Haldane pictured the atmosphere of the early earth as:Organic compounds like Miller's products found in meteorites suggest that:The first cellular forms of life appeared on earth about:The theory of special creation held that the earth is about how old?Charles Darwin made his round-the-world observations aboard which ship?Which naturalist reached conclusions like Darwin's while working in the Malay Archipelago?For Darwin, the fitness of an individual ultimately meant its:Remains of hard parts of past life forms preserved in rocks are called:Evidence for evolution from fossils in rock layers is called:Which structure forms in all vertebrate embryos but is functional only in adult fish?Forelimbs of whales, bats, cheetahs and humans share one bone pattern. They are:Homologous structures are the outcome of which pattern of evolution?Thorns of Bougainvillea and tendrils of Cucurbita are best described as:Flippers of penguins and of dolphins illustrate which type of evolution?Sweet potato and potato are analogous because the sweet potato is a modified:The eye of an octopus and the eye of a mammal are regarded as:Why can lichens serve as indicators of industrial pollution?Darwin's finches are thought to descend from an ancestor whose beak was suited to:The likeness of the Tasmanian wolf to the placental wolf is an example of:Why do bacteria evolve new variants far faster than fish?Lamarck explained the long neck of the giraffe through:Thomas Malthus, whose work may have influenced Darwin, wrote about:Which is NOT an observation that natural selection rests on?Hugo de Vries based his idea of mutation on work with which plant?In de Vries' view, the term saltation refers to:The total genes and their alleles present in a population form its:A population whose allele frequencies stay constant over generations is in:At one gene locus, all the allele frequencies in a population add up to:The equation p^2 + 2pq + q^2 = 1 is the binomial expansion of:With allele frequencies p and q, the expected frequency of heterozygotes is:If allele A has frequency 0.7 in a Hardy-Weinberg population, AA frequency is:A gene's two alleles occur in a 60:40 ratio. What fraction is heterozygous at equilibrium?If 9 percent of a population at equilibrium shows a recessive trait, carriers make up:A recessive phenotype is seen in one quarter of an equilibrium population. AA frequency is:Of 1000 people at equilibrium, 40 are recessive homozygotes. How many are expected to be AA?A change in allele frequency that happens purely by chance is termed:A small drifted group starts a new population with very different allele frequencies. This is the:Repeated migration between populations that carries alleles across is called:Selection under which more individuals come to have the mean character value is:Which group of organisms was the first to invade land?Lobefin fishes such as the coelacanth gave rise to the first:Which feature freed reptiles from water for breeding, unlike amphibians?Ichthyosaurs, living about 200 mya, were:About when did the dinosaurs suddenly disappear from the earth?Giant pteridophytes of the reptile age fell and slowly formed:South American mammals resembling horse and bear were overridden when that continent joined:Of the primates living about 15 mya, which was the more man-like?Which hominid used hides to protect its body and buried its dead?Fossils revealing Homo erectus were discovered in Java in:The prehistoric cave paintings of Bhimbetka are in which state?Agriculture and settled human habitation began around:Hominid fossils from Ethiopia and Tanzania suggest man-like primates walked upright about:Australopithecines hunted with stone weapons but mainly ate:Chemical evolution refers to the formation of:Breeders making new dog breeds in centuries is used to argue that, over millions of years, nature could:Which of these is a mammal that lives wholly in water?Roughly how old is the universe, according to NCERT?About how long ago is the earth supposed to have formed?Which theory explains the origin of the universe as a singular huge explosion?Life arising from decaying straw and mud was the theory of what?Who dismissed spontaneous generation by showing life comes from pre-existing life?Which two scientists proposed that life arose from non-living organic molecules?What did Miller's experiment produce from CH4, H2, NH3 and water vapour?Sweet potato (root) and potato (stem) illustrate which relationship?Evolution is described as a stochastic process. What does this mean?Multiple adaptive radiations in an isolated area, giving look-alike forms, show what?