Evolution PYQs Set 2 (PDF)

Set 2 of 3 · Questions 31-60 of 86

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Mere Teacher · Previous Year Questions NEET Biology · Evolution · Set 2 (Q31-60)
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31. $Embryological support for evolution was proposed by :$ (1) $Ernst Heckel$ (2) $Karl Ernst von Baer$ (3) $Charles Darwin$ (4) $Alfred Wallace$ 32. $From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask :$ (1) $C H_{3}, H_{2}, N H_{3} and water vapour at 600°C$ (2) $C H_{4}, H_{2}, N H_{3} and water vapour at 800°C$ (3) $C H_{3}, H_{2}, N H_{4} and water vapour at 800°C$ (4) $C H_{4}, H_{2}, N H_{3} and water vapour at 600°C$ 33. $The chronological order of human evolution from early to the recent is :-$ (1) $Ramapithecus \to Homo habilis \to Australopithecus \to Homo erectus$ (2) $Australopithecus \to Homo habilis \to Ramapithecus \to Homo erectus$ (3) $Australopithecus \to Ramapithecus \to Homo habits \to Homo erectus$ (4) $Ramapithecus \to Australopithecus \to Homo habilis \to Homo erectus$ 34. $After about how many years of formation of earth, life appeared on this planet?$ (1) $50 million years$ (2) $500 million years$ (3) $50 billion years$ (4) $500 billion years$ 35. $A Hominid fossil discovered in Java in 1891, now extinct, having cranial capacity of about 900 cc was:$ (1) $Neanderthal man$ (2) $Homo sapiens$ (3) $Australopithecus$ (4) $Homo erectus$ 36. $The Finches of Galapogas islands provide an evidence in favour of :-$ (1) $Special Creation$ (2) $Evolution due to Mutation$ (3) $Retrogressive Evolution$ (4) $Biogeographical Evolution$ 37. $Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as :$ (1) $Genetic load$ (2) $Genetic flow$ (3) $Genetic drift$ (4) $Random mating$ 38. $Which one of the following amino acid was not found to be synthesized in Miller's experiment?$ (1) $Glycine$ (2) $Aspartic acid$ (3) $Glutamic acid$ (4) $Alanine$ 39. $The idea of mutations was brought forth by$ (1) $Gregor Mendel, who worked on pisum sativum.$ (2) $Hardy Weinberg, who worked on allele frequencies in a population.$ (3) $Charles Darwin, who observed a wide variety of organisms during sea voyage.$ (4) $Hugo de Vries, who worked on evening primrose.$ 40. $Which is the most common mechanism of genetic variation in the population of the sexually reproducing organism?$ (1) $Transduction$ (2) $Chromosomal aberrations$ (3) $Genetic drift$ (4) $Recombination$ 41. $The wings of a bird and the wings of an insect are :$ (1) $homologous structures and represent convergent evolution$ (2) $homologous structures and represent divergent evolution$ (3) $analogous structures and represent convergent evolution$ (4) $phylogenetic structures and represent divergent evolution$ 42. $One of the important consequences of geographical isolation is :-$ (1) $No change in the isolated fauna$ (2) $Preventing Speciation$ (3) $Speciation through reproductive isolation$ (4) $Random creation of new species$ 43. $In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3kg survive whereas 99% of the infants born with weights from 2 to 2.5kg or 4.5 to 5 kg die. Which type of selection process is taking place?$ (1) $Directional Selection$ (2) $Stabilizing Selection$ (3) $Disruptive Selection$ (4) $Cyclical Selection$ 44. $Match the following: List-I (A) Adaptive radiation (B) Convergent evolution (C) Divergent evolution (D) Evolution by anthropogenic action List-II (i) Selection of resistant varieties due to excessive use of herbicides and pesticides (ii) Bones of forelimbs in Man and Whale (iii) Wings of Butterfly and Bird (iv) Darwin Finches Choose the correct answer from the options given below.$ (1) $(A)-(iii), (B)-(ii), (C)-(i), (D)-(iv)$ (2) $(A)-(ii), (B)-(i), (C)-(iv), (D)-(iii)$ (3) $(A)-(i), (B)-(iv), (C)-(iii), (D)-(ii)$ (4) $(A)-(iv), (B)-(iii), (C)-(ii), (D)-(i)$ 45. $Two plants can be conclusively said to belong to the same species if they :$ (1) $can reproduce freely with each other and form seeds.$ (2) $have more than 90 percent similar genes$ (3) $look silmilar and possess identical secondary metabolites$ (4) $have same number of chromosomes$ 46. $Select the correct statement regarding mutation theory of evolution.$ (1) $This theory was proposed by Alfred Wallace$ (2) $Variations are small directional changes$ (3) $Single step large mutation is a cause of speciation$ (4) $Large differences due to mutations arise gradually in a population$ 47. $Industrial melanism as observed in peppered moth proves that :-$ (1) $The true black melanic forms arise by a recurring random mutation$ (2) $The melanic form of the moth has no selective advantage over lighter form in industrial area$ (3) $The lighter-form moth has no selective advantage either in polluted industrial area or non polluted area.$ (4) $Melanism is pollution-generated feature$ 48. $The most apparent change during the evolutionary history of Homo sapiens is traced in:$ (1) $Walking upright$ (2) $Shortening of jaws$ (3) $Remarkable increase in the brain size$ (4) $Loss of body hair$ 49. $Forelimbs of cat, lizard is used in walking; forelimbs of whale is used in swimming and for elimb of bats is used in flying are an example of$ (1) $Analogous organs$ (2) $Adaptive radiation$ (3) $Homologous organs$ (4) $Convergent evolution$ 50. $The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short tature, heavy eyebrows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait nd stooped posture was$ (1) $Homo habilis$ (2) $Neanderthal human$ (3) $Cro-magnon human$ (4) $Ramapithecus$ 51. $Sickle cell anemia has not been eliminated from the African population because -$ (1) $It is controlled by recessive genes$ (2) $It is not a fatal disease$ (3) $It provides immunity against malaria$ (4) $It is controlled by dominant genes$ 52. $Which one of the following scientist's name is correctly matched with the theory put forth by him?$ (1) $de Vries - Natural selection$ (2) $Mendel - Theory of pangenesis$ (3) $Weismann - Theory of continuity of Germplasm$ (4) $Pasteur - Inheritance of acquired characters$ 53. $From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask:$ (1) $CH_{3}, H_{2}, NH_{4} and water vapor at 800^{\circ} C$ (2) $CH_{4}, H_{2}, NH_{3} and water vapor at 600^{\circ} C$ (3) $CH_{3}, H_{2}, NH_{3} and water vapor at 600^{\circ} C$ (4) $CH_{4}, H_{2}, NH_{3} and water vapor at 800^{\circ} C$ 54. $What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?$ (1) $Increasing cranial capacity$ (2) $Upright posture$ (3) $Shortening of jaws$ (4) $Binocular vision$ 55. $Which of the following statements is not true?$ (1) $Sweet potato and potato is an example of analogy$ (2) $Homology indicates common ancestry$ (3) $Flippers of penguins and dolphins are a pair of homologous organs$ (4) $Analogous structures are a result of convergent evolution$ 56. $The process by which organisms with different evolutionary history evolve similar phenotypic adaptation in response to a common environmental challenge, is called?$ (1) $Adaptive radiation$ (2) $Natural selection$ (3) $Convergent evolution$ (4) $Non-random evolution$ 57. $The similarity of bone structure in the forelimbs of many vertebrates is an example of$ (1) $Homology$ (2) $Analogy$ (3) $Convergent evolution$ (4) $Adaptive radiation$ 58. $Natural selection where more individuals acquired specific character value other than the mean character value, leads to:$ (1) $Random change$ (2) $Stabilising change$ (3) $Directional change$ (4) $Disruptive change$ 59. $Which of the following statements is correct about the origin and evolution of men?$ (1) $Agriculture came around 50,000 years back.$ (2) $The Dryopithecus and Ramapithecus primates existing 15 million years ago, walked like men.$ (3) $Homo habilis probably ate meat.$ (4) $Neanderthal men lived in Asia betweeen 1,00,000 and 40,000 years back.$ 60. $In Australia, marsupials and placental mammals have evolved to share many similar characteristics. This type of evolution may be referred to as :$ (1) $Adaptive Radiation$ (2) $Divergent Evolution$ (3) $Cyclical Evolution$ (4) $Convergent Evolution$