Quiz  /  Evolution Class 9 MCQ Questions With Answers

  • 1. 
    Differences in physical traits of an individual from the group to which it belongs

  • Adaptation
  • Variation
  • Fittness
  • Natural Selection

  • 2. 
    What is an inherited characteristic that helps organisms survive?

  • Evolution
  • Adaptation
  • Natural Selection
  • Extinction

  • 3. 
    Genetic drift is change in the allele frequency of a population due to...

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

  • 4. 
    A population moving from on place to another.

  • speciation
  • geographic isolation
  • genetic drift
  • migration

  • 5. 
    Individuals undergo evolution.

  • True
  • False

  • 6. 
    Eyes that can see in the dark is a(an) _______ inherited by nocturnal animals.

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

  • 7. 
    Whales are aquatic mammals that contain a pelvis (hip) bone. Even though it does not aid in its movement, the function must have been used by a common ancestor of the whale. Thus, the pelvis is referred to as a(n)

  • vestigial structure
  • analogous structure
  • homologous structure

  • 8. 
    A theory has significant evidence to support it. True or False

  • True
  • False

  • 9. 
    Inherited trait that helps an organism survive is a(n) __________.

  • Fossil
  • Adaptation
  • Ancestor
  • Natural selection

  • 10. 
    According to the diagram, which organism is older?

  • ammonite
  • coral
  • gastropod
  • trilobite

  • 11. 
    Where humans have bred organisms together based on traits we like.

  • Evolution
  • Natural Selection
  • Extinction
  • Artificial Selection

  • 12. 
    Mechanism by which individuals that have inherited beneficial adaptions produce more offspring on average than do other individuals

  • Fitness
  • Natural Selection
  • Evolution
  • Artificial Selection

  • 13. 
    The pelvic bone of whales is not needed for movement within the water. This is an example of a(n) ______________ structure.

  • vestigial
  • analogous
  • homologous

  • 14. 
    Which of these best represents a time period in which an organism could evolve?

  • 5 days
  • 100 years
  • 10,000 years
  • 2 decades

  • 15. 
    Where the better adapted organisms survive to pass traits along to offspring.

  • Evolution
  • Natural Selection
  • Extinction
  • Artifical Selection

  • 16. 
    What type of structures are these?

  • homologous
  • vestigial
  • analogous
  • fossil

  • 17. 
    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

  • 18. 
    A mistake or change that occurs in the DNA sequence is called a ______________________.

  • Extinction
  • Speciation
  • Mutation
  • Genetic Variation

  • 19. 
    Group of organisms capable of interbreeding and producing fertile offspring.

  • species
  • gene pool
  • population
  • homologous structure

  • 20. 
    Evolution, gravity, and plate tectonics are all examples of scientific...

  • hypotheses
  • theories
  • laws
  • Both A & B

  • 21. 
    A change in the genetic information (DNA).

  • Mutation
  • Speciation
  • Migration
  • Evolution

  • 22. 
    An error in DNA copying that results in a new trait

  • Homeostasis
  • Mutation
  • Natural Selection
  • Selective Breeding

  • 23. 
    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

  • 24. 
    Which does NOT cause genetic variation?

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

  • 25. 
    Scientist who proposed the theory of Natural Selection.

  • Hardy
  • Weinburg
  • Darwin
  • Einstein

  • 26. 
    Structures with the same parts have different functions; suggests that organisms share a common ancestry

  • vestigial structures
  • homologous structures
  • adaptive radiation
  • fossil

  • 27. 
    The ability of an organism to survive and reproduce in its specific environment

  • diversity.
  • evolution
  • adaptation
  • fitness

  • 28. 
    Gradual change in a population through adaptations over time.

  • migration
  • directional selection
  • evolution
  • speciation

  • 29. 
    What does Darwin's theory of evolution suggest?

  • species change over time
  • extinct species are not related to living species
  • different species can interbreed
  • animals that look alike are most closely related

  • 30. 
    Genetic differences between organisms of the same species

  • Variation
  • Adaptation
  • Behavior
  • Environment
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