The Candid Test On Science Chapter Test 15

32 Questions | Total Attempts: 304

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Science Chapter Quizzes & Trivia

If you are a big fan of science then every new chapter must bring a new revelation for you. The fifteenth candid test on science below covered most of the topics covered this year. Give it a shot and note down the topic you have difficulty tackling. All the best!


Questions and Answers
  • 1. 
    1.  Which did Charles Darwin personally observe while visiting the different Galápagos Islands?
    • A. 

      A. finches of the same specie

    • B. 

      B. fossils of closely related mollusk

    • C. 

      C. mockingbirds with different trait

    • D. 

      D. tortoises with varying shell sizes

  • 2. 
    2.  Which is true because of comparative embryology?
    • A. 

      A. A frog embryo resembles an adult frog

    • B. 

      B. Male and female eagle embryos have wing

    • C. 

      C. The embryos of all animals appear different

    • D. 

      D. Turtle and human embryos have a tail

  • 3. 
    3.  Which is an example of an adaptation?
    • A. 

      A. All African cheetahs have a similar DNA and genetic makeu

    • B. 

      B. Both a human and a gorilla have opposable thumbs for grasping objects.

    • C. 

      C. Polar bear fur is better camouflage on ice floes than brown bear fur

    • D. 

      D. Sparrow and finch wings allow for quick bursts of speed during flight

  • 4. 
     Scientists believe human arms and whale flippers were inherited from a common ancestor
  • 5. 
    The tailbone of a human is a structure that serves no practical purpose.
  • 6. 
    Hawk wings and grasshopper wings allow for sustained flight, but these structures evolved separately
  • 7. 
    Humans can have their appendixes removed with few, if any harmful effects.
  • 8. 
    Constant allele frequencies in a population
  • 9. 
    Reduction in number of alleles, resulting in a population  that is genetically similar
  • 10. 
     a small, separated population with a unique genetic makeup
  • 11. 
    After returning from his voyage on the HMS Beagle, which did Darwin assume?
    • A. 

      A. Fossil evidence shows that species have changed over millions of years.

    • B. 

      B. Galapagos tortoises had reached a genetic equilibrium on the islands.

    • C. 

      C. South American finches changed after coming to the Galápagos Islands

    • D. 

      D. Tropical mockingbirds of the same species had different traits.

  • 12. 
    Which is the definiton of evolution?
    • A. 

      A. genetic differences in a species

    • B. 

      B. parents passing traits to offspring

    • C. 

      C. the appearance of new life forms

    • D. 

      D. the change of species over time

  • 13. 
     Which is an example of camouflage
    • A. 

      A. A group of macaws isolated on an island have uniquely shaped beaks.

    • B. 

      B. The leafy sea dragon looks more like a plant than an animal

    • C. 

      C. The thick feathers of the great horned owl make it a nearly silent flier.

    • D. 

      D. The viceroy butterfly’s colors match the monarch butterfly’s colors.

  • 14. 
    African cheetahs, which suffered a dramatic drop in population, rebounded in number to create a population of unusually similar genetic animals. This is called 
    • A. 

      A. a bottleneck

    • B. 

      B. genetic equilibrium

    • C. 

      C. speciation

    • D. 

      D. the founder effect.

  • 15. 
    1. Scientists think human arms and whale flippers were  inherited from a common ancestor.
  • 16. 
    The tailbone of a human is a structure that serves no practical purpose
  • 17. 
    Hawk wings and grasshopper wings allow sustained flgiht, but these structures evolved seperatley
  • 18. 
    Humans can have their appendixes removed with few harmful effects
  • 19. 
    Darwin referred to the selective breeding of domesticated animals as
  • 20. 
    The evolution of an elongated beak by most woodpecker species is called an
  • 21. 
    Comparing the three white furred offspring of one polar bear mother to the one white furred offspring of a second polar bear mother is called
  • 22. 
    Peacocks developing large tails, as a result of a large tailed males being selected more frequently by females is called
  • 23. 
    Which was the first conclusion Darwin made soon after returning from the  Galápagos Islands?
    • A. 

      A. Natural selection was the evolutionary mechanism for species change.

    • B. 

      B. New species of finches could emerge through small ancestral changes.

    • C. 

      C. Variety among Galápagos birds resulted from evolutionary changes

    • D. 

      D. Wild finch diversity explained the breeding of domesticated animals.

  • 24. 
    2.  Which bird trait is an example of a derived trait?
    • A. 

      A. claw

    • B. 

      B. feather

    • C. 

      Tail

    • D. 

      Wing

  • 25. 
     Which explains why cytochrome c provides a broad-ranged comparison  of evolutionary relationships
    • A. 

      A. Amino acids prevent significant molecule change in the enzyme.

    • B. 

      B. ATP molecules steadily change cytochrome c structure over time.

    • C. 

      C. The compound evolves during times of accelerated evolution

    • D. 

      D. The molecule experienced little change over long periods of history

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