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Evolution

Board » Bihar Board » Class 12th » English Medium » Science » Biology » L-7 : Evolution

Objective Questions (MCQs)

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ID- 2868
BSEB, 2019 (C)

1. What is the scientific name of Modern man (Present man)?

  • (A) Homo habilis
  • (B) Homo erectus
  • (C) Homo solensis
  • (D) Homo sapiens
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ID- 2869
BSEB, 2019 (C)

2. 'The organ of spices' was written by:

  • (A) Charles Darwin
  • (B) Lamarck
  • (C) Miller
  • (D) De Vries
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ID- 2870
BSEB, 2020 (A)

3. Man is a member of which order and belongs to which family in the following?

  • (A) Anthropoidea & pongidae
  • (B) Primates & pongidae
  • (C) Primates & Hominidae
  • (D) None of these
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4. Stanley Miller's experiment supports:

  • (A) Chemical theory
  • (B) Abilgenesis
  • (C) Biogenesis
  • (D) Pangenesis
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5. Theory of chemical origin of life was proposed by:

  • (A) Miller and Fox
  • (B) Oparin and Haldane
  • (C) Miller and Waston
  • (D) Waston and Melvin
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6. Evolutionary history of an organism is known as:

  • (A) Ontogeny
  • (B) Phylogeny
  • (C) Ancestry
  • (D) Palaenotology
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7. Which one provides most evident proof of evolution?

  • (A) Fossils
  • (B) Vestigial organs
  • (C) Embryo
  • (D) Morphology
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ID- 2875

8. Non directional alterations in Hardy-Weinberg equilibrium is:

  • (A) Gene flow
  • (B) Mutation
  • (C) Genetic drift
  • (D) Gene recombination
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9. The earliest hominids evolved about 4 million years ago were

  • (A) Homo arectus
  • (B) Neanderthal man
  • (C) Cro Magnon man
  • (D) Australopithicus
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10. Hardy-Weinberg principal explain:

  • (A) Chromosomal aberration
  • (B) Genetic drift
  • (C) Genetic equilibrium
  • (D) All of these
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11. As per Neo-Darwinism which is mainly responsible for evolution?

  • (A) Mutation
  • (B) Natural selection
  • (C) Both A and B
  • (D) All of these
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12. Book 'philosophique Zoologique' was written by:

  • (A) Lamarck
  • (B) Mendel
  • (C) Darwin
  • (D) Hugo-devries
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ID- 2880
BSEB, 2018 (C)

13. Darwin's finches are good example of:

  • (A) Connecting link
  • (B) Adaptive radiation
  • (C) Convergent Evolution
  • (D) Industrial melanism
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ID- 2881
BSEB, 2020 (A)

14. Wings of butterfly and birds are:

  • (A) Vestigial organs
  • (B) Analogous organs
  • (C) Homologous organs
  • (D) Both A and C
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ID- 3092

15. Theory of 'Pangenesis was given by:

  • (A) Darwin
  • (B) Lamarch
  • (C) Weismann
  • (D) de vries
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16. Who proposed that the first form of life could have come from pre-existing non-living organic molecules?

  • (A) S.L. Miller
  • (B) Oparin and Haldane
  • (C) Charles Darwin
  • (D) Alfred Wallace
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17. First life form of earth was a:

  • (A) cyanobacterium
  • (B) chemoheterotroph
  • (C) autotroph
  • (D) photoautotroph
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18. According to Oparin, which one of the following was not present in the primitive atmosphere of the earth?

  • (A) Methane
  • (B) Oxygen
  • (C) Hydrogen
  • (D) Water vapour
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19. One of the possible early sources of energy were/was:

  • (A) CO2
  • (B) chlorophyll
  • (C) green plants
  • (D) UV rays and lightening
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ID- 3097
BSEB, 2018 (C)

20. Which of the following do not represent homologous structure?

  • (A) Forlimb of whale, Bat, cheetah & human
  • (B) Thorns and tendrils of Bougain villea and Cucurbita
  • (C) Vertebrate heart & brain
  • (D) Flippers of penguins & dolphins
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21. The first life originated:

  • (A) on land
  • (B) in air
  • (C) in water
  • (D) all of these
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ID- 3099
BSEB, 2018 (C)

22. Which of the following is not an example of vestigeal organ?

  • (A) Cocoyx
  • (B) Vermiform appendix
  • (C) Nictitating membrane
  • (D) Opacity of Eye
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ID- 3100
BSEB, 2019 (A), 2021 (A)

23. Bio reactors provide optimal conditions to produce desired:

  • (A) Product
  • (B) Organism
  • (C) Medium
  • (D) All of these
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ID- 3101
BSEB, 2019 (A)

24. S.L. Miller is related to:

  • (A) Origin & Evolution of life
  • (B) Use and disuse theory of evolution
  • (C) Neo-Darwinism
  • (D) Neo-Lamarckism
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ID- 3102
BSEB, 2019 (A)

25. Dryopithecus is more similar to:

  • (A) Ape
  • (B) Gorilla
  • (C) Chimpanzee
  • (D) Man
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ID- 3103
BSEB, 2019 (A)

26. Organic evolution was preceded by chemical evolution, the champions of this theory are:

  • (A) A.I. Oparin and J.B.S. Haldane
  • (B) Charles Darwin
  • (C) Arrhenius
  • (D) Baptiste Lamarck
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27. Which is not a vestigial organ in man?

  • (A) Nictitating membrane
  • (B) Tail vertebrae
  • (C) Vermiform appendix
  • (D) Nails
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28. Which of the following are the two concepts of Darwinian theory of evolution?

  • (A) Genetic drift and mutation
  • (B) Adaptive radiation and homology
  • (C) Mutation and natural selection
  • (D) Branching Descent and natural selection
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29. "Human population grows in geometric ratio while food materials increase in arithmetic proportion." It is statement form:

  • (A) Darwin
  • (B) Bateson
  • (C) Amartya Sen
  • (D) Malthus
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30. Who was the first to discard the idea of fixity of species?

  • (A) Jean Baptiste Lamarck
  • (B) Charales Darwin
  • (C) Robert Hooke
  • (D) Williams Harveys
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31. The Hardy-Weinberg principal cannot operate if:

  • (A) the population is very large
  • (B) frequent mutations occur in the population
  • (C) the population has no change of interaction with other populations
  • (D) free interbreeding occurs among all members of the population
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32. Genetic drift operates only in:

  • (A) larger populations
  • (B) Mendelian populations
  • (C) island populations
  • (D) smaller populations
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33. Phenomenon of 'industrial melanism' demonstrates:

  • (A) geographical isolation
  • (B) reproductive insolation
  • (C) natural selection
  • (D) Induced mutation
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34. Which of the following is most important for speciation?

  • (A) Seasonal isolation
  • (B) Reproductive isolation
  • (C) Behavioral isolation
  • (D) Tropical isolation
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35. Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift, mutation, genetic recombination and:

  • (A) evolution
  • (B) limiting factors
  • (C) saltation
  • (D) natural selection
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36. The 'devonian period' is considered to be as:

  • (A) age of fishes
  • (B) age of amphibians
  • (C) age of reptiles
  • (D) age of mammals
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ID- 3115

37. Presence of gills in the tadpole of frog indicates that:

  • (A) fishes were amphibious in the past
  • (B) fishes evolved from frog-like ancestors
  • (C) frogs will have gills in future
  • (D) Frogs evolved from gilled ancestors
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ID- 3116
BSEB, 2021 (A)

38. Which of the following factors is important in the formation of new species?

  • (A) Competition
  • (B) Mutation
  • (C) Isolation and variation
  • (D) Continuous variation
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EXPLANATION:

Isolation is the prevention of mating amongst inter-breeding groups due to physical (e.g., geographical, ecological) and biotic (e.g., physiological, behavioural, mechanical, genetic) barriers. Reproductive isolating mechanisms are the biological properties of individuals which prevent the interbreeding of naturally sympatric populations. It maintains the characters of the species but can lead to the origin of new species. Also, Darwin considered that useful variations are transmitted to the offspring and appear more prominently in succeeding generations. After some generations these become continuous and gradual variations in the possessor would be so distinct that they form a new species.

So, the correct answer is 'Isolation and variation' and option C is correct.

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ID- 3117
BSEB, 2021 (A)

39. Echidna is:

  • (A) Connecting link
  • (B) Vestigial organ
  • (C) Extinct link
  • (D) None of these
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EXPLANATION:

  • Echidna is a connecting link between mammals and reptiles.
  • Echidna has both mammal and reptile characteristics.
  • They lay eggs like reptiles and they have memory glands like mammals.

Hence, option A is correct.

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40. Major radiation of mammals, birds and pollinating insects took place in which epoch?

  • (A) Oligocene
  • (B) Eocene
  • (C) Pliocene
  • (D) Palaeocene
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41. The jurassic period belongs to the .......... era.

  • (A) cenozoic
  • (B) mesozoic
  • (C) palezoic
  • (D) proterozoic
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42. Golden age of reptiles was:

  • (A) proterozoic era
  • (B) palaeozoic era
  • (C) mesozoic era
  • (D) coenozoic era
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43. Amphibians wear dominant during .......... period.

  • (A) Carboniferous
  • (B) silurian
  • (C) ordovician
  • (D) cambrian
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44. The primate which existed 15 mya was:

  • (A) Homo habillis
  • (B) Australopithecus
  • (C) Ramapithecus
  • (D) Homo erectus
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45. The brain capacity of Homo erectus was about:

  • (A) 650 cc
  • (B) 900 cc
  • (C) 1500 cc
  • (D) 1400 cc
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46. The extinct human ancestor, who ate only fruits are hunted with stone weapons was:

  • (A) Ramapithecus
  • (B) Australopithecus
  • (C) Dryopithecus
  • (D) Homo erectus
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47. One of the oldest, best preserved and most complete hominid fossil commonly known as 'Lucy' belongs to the genus:

  • (A) Australopithecus
  • (B) Oreopithecus
  • (C) Dryopithecus
  • (D) Pithecanthropus
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48. The carnial capacity was largest among the:

  • (A) Peking man
  • (B) Java ape man
  • (C) African man
  • (D) Neanderthal man
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49. Which of the following eras, in geological time scale, corresponds to the period when life had not originated upon the earth?

  • (A) Azoic
  • (B) Palaeozoic
  • (C) Mesozoic
  • (D) Archaeozoic
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50. Which of the following is used as an atmospheric pollution indicator?

  • (A) Lepidoptera
  • (B) Lichens
  • (C) Lycopersicon
  • (D) Lycopodium
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ID- 3140

51. Palaentoligical evidences for evolution refers to the:

  • (A) development of embryo
  • (B) homologous organs
  • (C) fossils
  • (D) analogous organs
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52. Analogous organs arise due to:

  • (A) divergent evolution
  • (B) artificial selection
  • (C) genetic drift
  • (D) convergent evolution
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ID- 3143

53. Viviparity is considered to be more evolved because:

  • (A) the young ones are left on their own
  • (B) the young ones are protected by a thick shell
  • (C) the young ones are protected inside the mother's body and are looked after they are born leading to more changes of survival
  • (D) the embryo takes a long time of develop
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ID- 3145
BSEB, 2020 (A)

54. Fossils are generally found in:

  • (A) sedimentary rocks
  • (B) igneous rocks
  • (C) metamorphic rocks
  • (D) any type of rock
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55. Which type of selection is Industrial melanism observed in moth, Biston betularia:

  • (A) stablising
  • (B) directional
  • (C) disruptive
  • (D) artificial
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56. Which of the following is an example of link species?

  • (A) Lobe fish
  • (B) Dodo bird
  • (C) Sea weed
  • (D) Chimpanzee
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ID- 3167
BSEB, 2016 (C)

57. Which one is related to sequential evolution?

  • (A) Self pollination
  • (B) Cross pollination
  • (C) Vegetative propagation
  • (D) Hybridization
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ID- 3169
BSEB, 2018 (A)

58. Adapting radiation in Australian marsupials are example of:

  • (A) Divergent evolution
  • (B) Convergent evolution
  • (C) Saltation
  • (D) None of these
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ID- 3170
BSEB, 2018 (A)

59. Snow blindness in human being is caused by:

  • (A) Absorption of UV.β radiation
  • (B) Absorption of Infra radiation
  • (C) Absorption of cosmic radiation
  • (D) Erosion of cornea by snow
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ID- 3171
BSEB, 2017 (C)

60. Theory of Inheritane of acquired character was given by:

  • (A) Darwin
  • (B) Lamarck
  • (C) de-Vries
  • (D) Haeckel
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