Bio Quizzes For Exam 1

55 Questions | Total Attempts: 61

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Biology Quizzes & Trivia

Biology 105 Exam 1


Questions and Answers
  • 1. 
    A hypothesis is formulated using which type of reasoning?
    • A. 

      Deductive

    • B. 

      Inductive

    • C. 

      Didactic

  • 2. 
    Why might a scientist modify his or her hypothesis?
    • A. 

      He results of an experiment are not consistent with the hypothesis.

    • B. 

      He results are consistent with a long-standing, but umpopular theory.

    • C. 

      Another, more senior scientist does not like the results because they contradict his theory but are consistent with the one being tested.

    • D. 

      The results are consistent with the hypothesis.

  • 3. 
    General to specific reasoning 
    • A. 

      Deductive

    • B. 

      Inductive

    • C. 

      Didactic

  • 4. 
    Specific to general reasoning 
    • A. 

      Deductive

    • B. 

      Inductive

    • C. 

      Didactic

  • 5. 
    How is the word "theory" viewed by scientists and the lay public?
    • A. 

      The are the same meaning to both.

    • B. 

      They are both words used as synonyms for technology but in a different sense by scientists and the lay public.

    • C. 

      Scientists view a theory as a rigorously tested hypothesis with broad explanatory power; the lay pblic views a theory as an "imperfectly known fact" or a guess.

    • D. 

      Both groups view a theory as a guess that has little support, but scientists view it as based on physical evidence, while the public views it as based on withful thinking.

  • 6. 
    What in science is immune to testing? What is an example from lecture of a scientific law that was tested and found to be better explained by another theory
    • A. 

      Nothing; the developmental pathway of fruit development

    • B. 

      Nothing; Newton's laws vs. Einstein's relativity

    • C. 

      The basic assumptions; rate of fall due to gravity in air and in a vaccuum

    • D. 

      Subjective truth; the rate of growth of trees

  • 7. 
    What is the purpose of the control group in a controlled experiment?
    • A. 

      To increase the number of test subjects to a number large enough for statistical analysis

    • B. 

      To increase the number of test subjects to justify a larger monetary grant request

    • C. 

      To provide an untreated comparison with the experimental group

  • 8. 
    What is a controlled variable in an experiment?
    • A. 

      the treatment applied to the control group

    • B. 

      The controlled means by which the treatment is applied to the experimetnal group

    • C. 

      Secondary treatments applied to the expermental group to control the results

    • D. 

      Anything other than the treatment that could differ between the experimental and control groups

  • 9. 
    Which of the following is NOT an assumption made by science?
    • A. 

      The universe exists

    • B. 

      The universe can be rationally studied

    • C. 

      physical laws explain natural phenomena

    • D. 

      Supernatural forces can alter physical effects

  • 10. 
    Give an example from lecture of something that reflects both science and technology.    
    • A. 

      A pendulum

    • B. 

      Plant fertilizer

    • C. 

      PC Computer

    • D. 

      Fish Tank

  • 11. 
    Which of the following is not a characteristic of living things.
    • A. 

      Ability to metabolize substances

    • B. 

      Ability to reproduce

    • C. 

      Ability to move

    • D. 

      Ability to adapt and evolve

  • 12. 
    The unifying concept of biology is
    • A. 

      The scientific method

    • B. 

      Evolution

    • C. 

      Ecology

    • D. 

      Molecular biology

  • 13. 
    What does the letter "r" designate in the logistic growth equation?
    • A. 

      Species range

    • B. 

      Intrinsic birth rate of a a population

    • C. 

      Ramifications of population growth

    • D. 

      Return (death) rate in a population

  • 14. 
    What is the relationship of limiting factors to carrying capacity?
    • A. 

      There is no direct relationship

    • B. 

      Limiting factors tend to drive population increases, carrying capacity tends to drive population decreases

    • C. 

      Carrying capacity can be set by a single limiting factor.

    • D. 

      Carrying capacity determines what limiting factors occur in a population.

  • 15. 
    Which of the following describes a type III survivorship pattern?
    • A. 

      a constant mortality rate over the life of the cohort

    • B. 

      Low infant mortality with a high probability of living to old age

    • C. 

      Low infant, high middle age, and low old age mortality

    • D. 

      High infant mortality with a low probability of living to old age

  • 16. 
    The ecological term for the number of species in an ecosystem is:
    • A. 

      Species richness

    • B. 

      Keystone species

    • C. 

      Count value

    • D. 

      N

  • 17. 
    Which of the following is an example from the lecture of a commensalistic relationship?
    • A. 

      Mosquito

    • B. 

      Misletoe

    • C. 

      Intestinal bacteria

    • D. 

      Eyelash mites

  • 18. 
    What is the role of decomposers in nutrient cycling?
    • A. 

      To turn chemical energy to heat energy

    • B. 

      to recycle minerals to the reservoir for re-use by primary producers

    • C. 

      To release minerals directly back to the consumers

    • D. 

      to make new minerals for use in nutrient cycling

  • 19. 
    Biological magnification occurs because
    • A. 

      The biomass decreases by 90% from each trophic level to trophic level

    • B. 

      Toxic substances can enter the food web at the producer level that are absorbed and stored but not excreted by the producers and then the consumer levels

    • C. 

      At higher trophic levels, toxins build up to a concentration high enough to cause harm to the organisms

    • D. 

      All of the above, answer 1, 2, and 3 contribute to biological magnification

  • 20. 
    The Earth tilts at 23 degrees on its axis. This causes
    • A. 

      The magnetic poles of the Earth

    • B. 

      Seasonality

    • C. 

      Oceanic circulation gyres

    • D. 

      Hadley cells

  • 21. 
    Deserts cover about ___ % of the Earths land surface.
    • A. 

      5

    • B. 

      10

    • C. 

      20

    • D. 

      30

    • E. 

      70

  • 22. 
    Permafrost soils are a part of the _____ biome
    • A. 

      Desert

    • B. 

      Chapparal

    • C. 

      Tundra

    • D. 

      Temperate deciduous forest

    • E. 

      Savanna

  • 23. 
    Depictions of the story of Noahs Ark usually show animals such as zebras, lions, giraffes, elephants, and rhinoceroses. These animals are typical of
    • A. 

      Taiga

    • B. 

      Savanna

    • C. 

      Tundra

    • D. 

      Chapparal

    • E. 

      Temperate diciduous forest

  • 24. 
    Tropical grassland with shrubs and isolated trees is called:
    • A. 

      Desert

    • B. 

      Chapparal

    • C. 

      Tundra

    • D. 

      Temperate deciduous forest

    • E. 

      Savanna

  • 25. 
    North Carolina State University(Raleigh, North Carolina, USA) is located in an area that is in the _____ biome.
    • A. 

      Taiga

    • B. 

      Savanna

    • C. 

      Tundra

    • D. 

      Chapparal

    • E. 

      Temperate diciduous forest

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