12th Class Biology Mcqs with Answers Chapter 24 | 2nd year Biology Mcqs With Answers

written by Assad Javaid | August 10, 2021

Chapter 24

Evolution

Encircle the most appropriate answer among the following options

1. The mechanism of evolution called “natural selection” was proposed by choose which one is correct:

  • Lamarck
  • Darwin
  • Cuvier
  • Mendel

2. The endosymbiont hypothesis was proposed by choose which one is correct:

  • Lamarck
  • Wallace
  • Margulis
  • Lyell

3. The evolutionary hypothesis that “the prokaryotic cell membrane

invaginated to enclose its copy of genetic material” is said to be choose which one is correct:

  • Ecotsymbiont hypothesis
  • Membrane invagination hypothesis
  • Unit membrane hypothesis
  • Endosymbiont hypothesis

4. The integration of the principles of genetics and evolution is called as choose which one is correct:

  • Lamarckism
  • Theory of special creation
  • Neo Darwinism
  • Mendelism

5. How many finches did Darwin collect on galapagos island?

  • 30 types
  • 20 types
  • 13 types
  • 25 types

6. The study of distribution of living things on earth is called choose which one is correct:

  • Biogeography
  • Biology
  • Comparative anatomy
  • Molecular biology

7. The breeding of domesticated plants and animals refers to choose which one is correct:

  • Artificial selection
  • Selection by chance
  • Wild selection
  • Natural selection

8. The shuffling of alleles due to meiosis and random fertilization having no

effect on over all genetic structure of a population signifies choose which one is correct:

  • Went’s theorem
  • Fischer’s theorem
  • Hardy-Weinberg theorem
  • Binomial theorem

9. In Hardy Weinberg’s equation i.e., p2 + 2pq + q2 = 1 p-stands for choose which one is correct:

  • None
  • Gene frequency of one allele
  • Frequency of whole gene pool
  • Both (A) and (B)

10. The tropical rain forests have been reduced to what percentage of their

original extent?

  • 44%
  • 10%
  • 84%
  • 20%

11. The smallest biological unit that can evolve over time is choose which one is correct:

  • A community
  • A population
  • A species
  • An ecosystem

12. The first eukaryotic cell appeared about how many years ago?

  • 1.5 billion
  • 2.4 billion
  • 3.9 billion
  • 3.5 billion

13. The “ontogeny recapitulates phylogeny” supports the evidence from choose which one is correct:

  • Comparative embryology
  • Fossil record
  • Comparative anatomy
  • Molecular biology

14. If all the members of a population are homozygous for the same allele then

that allele is choose which one is correct:

  • Variable
  • Abnormal
  • Fixed
  • Normal

15. The species which are near to become endangered are called as choose which one is correct:

  • Threatened species
  • Endangered species
  • Wild species
  • None

16. The study of total aggregate of genes in a population at any one time is

known as choose which one is correct:

  • Population genetics
  • Molecular biology
  • Embryology
  • Cytogenetics

17. As per natural selection the survival in struggle for existence is not random.

It depends on surviving individuals choose which one is correct:

  • Interaction
  • Ancestry
  • Hereditary constitution
  • Phenotype

18. Which one of the following is not declared as an extinct species in Pakistan?

  • Asian lion
  • Green parrot
  • Indian rhino
  • Cheetah

19. The rudimentary structures that had important functions in ancestors in the

remote past are said to be choose which one is correct:

  • Functional organs
  • Vestigial organs
  • Visceral organs
  • Assimilatory organs

20. The level of classification between species and family is called as choose which one is correct:

  • Genus
  • Phylum
  • Division
  • Group

21. Theory of special creation choose which one is correct:

  • 60oC
  • Lynn Margulis
  • Darwin
  • C. Linnaeus

22. Archaeobacteria choose which one is correct:

  • 120oC
  • Lynn Margulis
  • C. Linnaeus
  • Darwin

23. Edosymbiont hypothesis choose which one is correct:

  • C. Linnaeus
  • Lynn Margulis
  • 120oC
  • Darwin

24. H.M.S. Beagle choose which one is correct:

  • C. Linnaeus
  • 120oC
  • Lynn Margulis
  • Darwin

25. Inheritance of acquired characteristics choose which one is correct:

  • Sedimentary rocks
  • Lamarck
  • Homologus organs
  • Analogous organs

26. Fossils choose which one is correct:

  • Sedimentary rocks
  • Lamarck
  • Homolgous organs
  • Hydrothermal vents

27. Fore limbs of man and wings of bat choose which one is correct:

  • Hydrothermal vents
  • Sedimentary rocks
  • Analogous organ
  • Homologous organs

28. Hot springs choose which one is correct:

  • Homologous organs
  • Sedimentary rocks
  • Analogous organs
  • Hydrothermal vents

29. Eukaryotic cells choose which one is correct:

  • Mutation
  • Lamarckism
  • Membrane invagination hypothesis
  • Population

30. Neo Darwinism choose which one is correct:

  • Modern synthesis
  • Population
  • Mutation
  • Lamarckism

31. A group of interbreeding individuals choose which one is correct:

  • Lamarckism
  • Membrane invagination hypothesis
  • Modern synthesis
  • Population

32. Change in genetic make up choose which one is correct:

  • Lamarckism
  • Modern synthesis
  • Population
  • Mutation

33. Wings of bats choose which one is correct:

  • Fixed
  • Hardy Weinberg theorem
  • Convergent evolution
  • Variable

34. (p + q)2 choose which one is correct:

  • Variable
  • Hardy Weinberg theorem
  • Fixed
  • Extinct species

35. Asian lion choose which one is correct:

  • Extinct species
  • Hardy Weinberg theorem
  • Convergent evolution
  • Fixed

36. Homozygous choose which one is correct:

  • Extinct species
  • Fixed
  • Hardy Weinberg theorem
  • Convergent evolution

37. Essay on the principle of population choose which one is correct:

  • Analogous organs
  • Evidence of evolution
  • Finches
  • Cuvier

38. Galapagos choose which one is correct:

  • Evidence of evolution
  • Analogous organs
  • Cuvier
  • Finches

39. Functionally alike but structurally different choose which one is correct:

  • Evidence of evolution
  • Fishes
  • Analogous organs
  • Cuvier

40. Comparative anatomy choose which one is correct:

  • Analogous organs
  • Evidence of evolution
  • Fishes
  • Cuvier

41. The origin of species choose which one is correct:

  • Genetic drift
  • Darwin
  • Glycogen
  • Vestigial organ

42. Ear muscles in man choose which one is correct:

  • Genetic drift
  • Vestigial organ
  • Darwin
  • Respiratory protein

43. Change in the frequency of alleles occurring by chance choose which one is correct:

  • Darwin
  • Genetic drift
  • Vestigial organ
  • Glycogen

44. Cytochrome choose which one is correct:

  • Vestigial organ
  • Genetic drift
  • Respiratory protein
  • Darwin

45. The theory of natural selection was supported by choose which one is correct:

  • Darwin
  • Aristotle
  • Linnaeus
  • Lamarck

46. The theory of natural selection was formulated by choose which one is correct:

  • Darwin
  • Linnaeus
  • Lamarck
  • Aristotle

47. The essay “Principle of population” was published by choose which one is correct:

  • Cuvier
  • Lyell
  • Malthus
  • Mendel

48. Match theory of natural selection with one of the followings choose which one is correct:

  • Natural selection
  • Evolution
  • Divine creation
  • Principle of population

49. Principle of geology was published by choose which one is correct:

  • Darwin
  • Lyell
  • Linnaeus
  • Lamarck

50. Papers on inheritance was published by choose which one is correct:

  • Cuvier
  • Lyell
  • Malthus
  • Mendel

51. Match catastrophism with one of the following choose which one is correct:

  • Lyell
  • Cuvier
  • Malthus
  • Mendel

52. The prokaryotes arise how many years ago?

  • 1.5 billion
  • 3.5 million
  • 3.5 billion
  • 4.5 billion

53. The bacteria living in hydrothermal vent are choose which one is correct:

  • Cyanobacteria
  • Eubacteria
  • Archeobacteria
  • All of the above

54. Archeobacteria can tolerate temperature upto choose which one is correct:

  • 100oC
  • 105oC
  • 110oC
  • 120oC

55. The compound used first by photosynthetic organism as a hydrogen sources

was choose which one is correct:

  • Water
  • Methane
  • Hydrogen sulphide
  • Hydrogen per oxide

56. Ozone is formed from choose which one is correct:

  • Water
  • Hydrogen
  • CO2 
  • Oxygen

57. Enough protective ozone was built about how many years ago?

  • 320 million
  • 420 million
  • 420 billion
  • 320 billion

58. Life can form abiotically only in choose which one is correct:

  • Oxidizing environment
  • Reducing environment
  • Both (A) and (B)
  • None of the above

59. The idea of endosymbiont was proposed by choose which one is correct:

  • Cuvier
  • Lyell
  • Malthus
  • Margulis

60. In endosymbiont idea, flagella are formed from choose which one is correct:

  • Aerobic bacteria
  • Cyanobacteria
  • Spirochete
  • None of the above

61. The chloroplast of the eukaryotes was formed from choose which one is correct:

  • Aerobic bacteria
  • Spirochete
  • Cyanobacteria
  • None of the above

62. The idea of inheritance of acquired character was proposed by choose which one is correct:

  • Darwin 
  • Lyell
  • Linnaeus
  • Lamarck

63. The island near South American coastline is choose which one is correct:

  • Iceland
  • Galapagos
  • Cape Verde
  • None of the above

64. Darwin came back to Great Britain in choose which one is correct:

  • 1932
  • 1934
  • 1936
  • 1939

65. Another theory of natural selection other than Darwin was developed by choose which one is correct:

  • Wallace
  • Lyell
  • Linnaeus
  • Lamarck

66. Descent with modification means choose which one is correct:

  • Similar characters
  • Same ancestor
  • Different ancestors
  • None of the above

67. Population genetics emphasized on choose which one is correct:

  • Acquired characters
  • Qualitative characters
  • Quantitative characters
  • None of the above

68. Modern synthesis includes choose which one is correct:

  • Taxonomy
  • Population genetics
  • Palaeontology
  • All of the above

69. Match divergent evolution with one of the following choose which one is correct:

  • Analogy
  • Anatomy
  • Homology
  • Palaeontology

70. Vermiform appendix in man is choose which one is correct:

  • Analogous structure
  • Homologous structure
  • Vestigial structure
  • None of the above

71. Which of the followings is not a vestigial organ?

  • Appendix
  • Skeleton of whale
  • Pelvic in man
  • Leg bone in snakes

72. Which is mismatched for homologous structures?

  • Foreleg of horse
  • Wing of birds
  • Wing of insects
  • Flipper of whale

73. Which is mismatched for analogous structures?

  • Forelimb of bat
  • Wing of birds
  • Wing of insects
  • Flipper of whale

74. In terrestrial vertebrates, the gills are modified to form choose which one is correct:

  • Ear muscles
  • Eustachian tube
  • Lungs
  • Larynx

75. The proteins found in all aerobic species are choose which one is correct:

  • Haemoglobin
  • Cytochrome
  • Albumin
  • Keratin

76. The total aggregate gene of population is choose which one is correct:

  • Poly gene
  • Gene pool
  • Gene interaction
  • None of the above

77. Number of homozygous dominant flowers in a population is 320 and number

of heteozygous flowers is 160. Number of dominant alleles in this population

is choose which one is correct:

  • 320
  • 600
  • 800
  • 100

78. The mammal which live only in America is choose which one is correct:

  • Kangaroo
  • Elephant
  • Armadillos
  • Echidna

79. The oldest known fossils choose which one is correct:

  • Fish
  • Prokaryotes
  • Protozoans
  • Algae

80. Fossil record shows that the earliest known vertebrate fossils of choose which one is correct:

  • Reptiles
  • Fishes
  • Amphioxus
  • Amphibians

81. The second oldest vertebrate fossil choose which one is correct:

  • Reptiles
  • Fishes
  • Amphioxus
  • Amphibians

82. The latest fossil found is choose which one is correct:

  • Reptiles
  • Birds
  • Amphioxus
  • Amphibians

83. Which of the following is a fossil?

  • Cast
  • Impression
  • Resin
  • None of the above

84. Most fossils are found in choose which one is correct:

  • Hard rocks
  • Sedimentary rocks
  • Soft rocks
  • Ignitions rocks

85. The structures which have common origin but different function choose which one is correct:

  • Analogous structures
  • Homologous structures
  • Vestigial structures
  • None of the above

86. The structures which have similarity in function are choose which one is correct:

  • Analogous structures
  • Homologous structures
  • Vestigial structures
  • None of the above

87. Match convergent evolution with one of the followings choose which one is correct:

  • Analogy
  • Homology
  • Anatomy
  • Paleontology

88. The number of alleles of a recessive character in a population is 300 out of

total of 100. Its frequency is choose which one is correct:

  • 0.7
  • 0.3
  • 0.5
  • 0.4

89. There are 160 heterozygous plants in total of 500. Its genotypic frequency will

be choose which one is correct:

  • 0.64
  • 0.32
  • 0.04
  • 0.44

90. Hardy-Weinberg law is used to measure choose which one is correct:

  • Gene pool
  • Allelic ratio
  • Allelic frequency
  • None of the above

91. In allelic frequency P + Q =

  • 0.2
  • 0.8
  • 1.0
  • 2.0

92. In a population P = 0.8 and Q = 0.2, the allelic frequency of the heterozygous

will be choose which one is correct:

  • 0.64
  • 0.32
  • 0.04
  • 1.00

93. In a population P = 0.8 and Q = 0.2, the allelic frequency of the recessive trait

will be choose which one is correct:

  • 0.64
  • 0.32
  • 0.04
  • 1.00

94. Which of the followings cannot change allelic frequency?

  • Genetic drift
  • Random mating
  • Section
  • Migration

95. Which of the followings can change allelic frequency?

  • Genetic drift
  • Migration
  • Section
  • All of the above

96. The forest of the world have been reduced by choose which one is correct:

  • 30%
  • 44%
  • 54%
  • 60%

97. The main reason of the extinction of the species is choose which one is correct:

  • Pollution
  • Over population
  • Habitat destruction
  • Rain

98. The measure to prevent the extinction of species is choose which one is correct:

  • Pollution control
  • Supply of water
  • National parks
  • Breading

99. The evolution of photosynthetic prokaryotes took place due to choose which one is correct:

  • High concentration of CO2 in atmosphere
  • High concentration of O2 in atmosphere
  • Limited supply of nutrient sources
  • High temperature in the primitive environment

100. The theory of special creation says choose which one is correct:

  • All living organisms formed from ancestors
  • All living organisms formed spontaneously
  • All living organisms formed by divine
  • None of the above

101. The theory of natural selection says choose which one is correct:

  • All living organisms formed from ancestors
  • All living organisms formed spontaneously
  • All living organisms formed by divine
  • None of the above

102. Evolution is a choose which one is correct:

  • Change of shape of body
  • Change of body form
  • Change of gene frequency
  • Change of body organs

103. The evolution of aerobic prokaryotes took place due to choose which one is correct:

  • High concentration of CO2 in atmosphere
  • High concentration of O2 in atmosphere
  • Limited supply of nutrient sources
  • High temperature in the primitive environment

104. An acquired character is choose which one is correct:

  • A character inherited by an organism
  • It can pass from parent to offspring
  • It never passes from parent to offspring
  • It provides raw material for evolution

105. According to endosymbiotic theory mitochondria is choose which one is correct:

  • Cellular body which produce energy
  • Anaerobic bacteria which produces energy
  • Aerobic bacteria which produces energy
  • Photosynthetic bacteria undergoes photosynthesis

106. According of endosymbiotic theory chlorophyll is choose which one is correct:

  • Cellular body which produce energy
  • Anaerobic bacteria which produce energy
  • Aerobic bacteria which produce energy
  • Photosynthetic bacteria undergoes photosynthesis

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