Quiz  /  Evolution Class 10 MCQ Questions With Answers

  • 1. 
    Genetic drift is change in the allele frequency of a population due to...

  • random chance
  • natural selection
  • non-random mating (sexual selection)
  • artificial selection

  • 2. 
    Eyes that can see in the dark is a(an) _______ inherited by nocturnal animals.

  • adaptation
  • acquired trait
  • learned ability
  • All of above

  • 3. 
    According to the diagram, which organism is older?

  • ammonite
  • coral
  • gastropod
  • trilobite

  • 4. 
    The pelvic bone of whales is not needed for movement within the water. This is an example of a(n) ______________ structure.

  • vestigial
  • analogous
  • homologous

  • 5. 
    Mutations are important because they bring about

  • death of the organism in which they develop
  • genetic variation needed for a population to evolve
  • benefits for the individual, not for the population
  • Hardey-Weinberg equilibrium within a population

  • 6. 
    Evolution, gravity, and plate tectonics are all examples of scientific...

  • hypotheses
  • theories
  • laws
  • Both A & B

  • 7. 
    Which is an example of a hypothesis?

  • evolution
  • a highly tested explanation
  • If I put my bananas in the fridge, they will take longer to ripen.
  • None of these

  • 8. 
    Which does NOT cause genetic variation?

  • crossing over in meiosis
  • mutations
  • acquired traits
  • All of above

  • 9. 
    Below are the % similarities of DNA between whales and other species. Based on this, which are whales most closely related to?

  • Pig, 68.4%
  • Hippo, 83.4%
  • Mouse, 38.4%
  • All of above

  • 10. 
    Surviving and reproducing show that an organism

  • is adapting
  • is not adapting
  • is forming fossils
  • is not reproducing

  • 11. 
    What would happen if the Giraffes never evolve?

  • they would survive
  • They would thrive
  • They would become extinct
  • They will find another source of food

  • 12. 
    Extinction can occur because of which of the following?

  • All can be causes of extinction.
  • Increased competition with other species
  • New predators within the environment
  • Loss of habitat and/or catastrophes

  • 13. 
    The tree of life is a metaphor for what idea?

  • we came from a common ancestor
  • we need water and sunlight to survive
  • we have multiple species
  • we are old

  • 14. 
    The law of superposition states

  • the oldest rock layer is on the top, the younger rock layer is on the bottom
  • rock layers are always in sequence from oldest to youngest
  • the youngest rock layer is on the bottom and the oldest is on the top
  • the oldest layer is on the bottom and the youngest is on the top when it is undisturbed

  • 15. 
    A flood drowns a large portion of an insect population, with only a few random individuals surviving. This is an example of ______.

  • genetic drift
  • adaptation
  • natural selection
  • All of above

  • 16. 
    Genetic diversity

  • allows for a small population
  • allows for similar physical features
  • allows for genetic diversity
  • allows for low mutation rates

  • 17. 
    This makes an organism more suited to its enviornment

  • species
  • lifespan
  • adaptation
  • mutation

  • 18. 
    The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) ______________ structure.

  • vestigial
  • analogous
  • homologous

  • 19. 
    Who was Charles Darwin?

  • A naturalist who came up with the theory of evolution
  • A scientist who studied plants
  • A geologist who looked at rocks and fossils
  • A paleontologist who studied dinosaurs

  • 20. 
    Which of the following are analogous structures?

  • A human's arm and a bird's wing
  • A bat's wing and a bird's wing
  • A bat's wing and a butterfly's wing
  • A bat's wing and a bird's wing

  • 21. 
    A remnant or trace of an organism from the past is called a _______.

  • Ancestor
  • Skeleton
  • Fossil
  • Imprints

  • 22. 
    Finches on the Galapagos Islands had different beaks in order to help them do what?

  • Build nests
  • Fight off predators
  • Collect food sources
  • Compete with rivals

  • 23. 
    Farmers breed cows to produce high amounts of milk. This is an example of...

  • Natural Selection
  • Variations in a species
  • Selective Breeding
  • inbreeding

  • 24. 
    What is speciation?

  • combining of two species to form one with different traits
  • Intentional breeding designed to maintain a desired trait
  • timing of mating that prevents normal sexual selection
  • A population splits and accumulates different genes in the new groups

  • 25. 
    The K/T Boundary has an unexpectedly high amount of which element?

  • Iridium
  • Iodine
  • Astatine
  • Uranium

  • 26. 
    The archaeopteryx is an example of a

  • K/T Boundary Fossil
  • Transition fossil
  • Vestigial fossil
  • Iridium Fossil

  • 27. 
    Who is the founding father of Biogeography?

  • Wallace
  • Darwin
  • Larmarck
  • Lyell

  • 28. 
    What type of speciation would involve mating during different seasons?

  • geographic isolation
  • reproductive isolation
  • habitat isolation
  • gametic isolation

  • 29. 
    Relative dating

  • gives the exact age of rocks and fossils
  • is when you date your cousin
  • gives the approximate age of rocks
  • tells us who to trust

  • 30. 
    The coccyx vertebrae and the appendix in humans are examples of ______________.

  • vestigial organs
  • homologous structures
  • analogous structures
  • symologous structures
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