Quiz: Ecosystem Trivia Quiz Questions!

42 Questions | Total Attempts: 629

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Quiz: Ecosystem Trivia Quiz Questions!

This is a copy of the multiple choice from August 2010.


Questions and Answers
  • 1. 
    An ecosystem that has almost the same number and type of organisms for many years is exhibiting 
    • A. 

      Feedback

    • B. 

      Global instability

    • C. 

      Environmental change

    • D. 

      Equilibrium

  • 2. 
    Which system is correctly paired with its function?    
    • A. 

      Immune system—intake and distribution of oxygen to cells of the body

    • B. 

      Excretory system—remove potentially dangerous materials from the body

    • C. 

      Digestive system—transport energy-rich molecules to cells

    • D. 

      Circulatory system—produce building blocks of complex compounds

  • 3. 
    Which statement concerning the reproductive cells in the diagram below is correct? 
    • A. 

      The cells are produced by mitosis and contain all the genetic information of the father.

    • B. 

      If one of these cells fertilizes an egg, the offspring will be identical to the father.

    • C. 

      Each of these cells contains only half the genetic information necessary for the formation of an offspring.

    • D. 

      An egg fertilized by one of these cells will develop into a female with the same characteristics as the mother.

  • 4. 
    Which set of functions is directly controlled by the cell membrane? 
    • A. 

      Protein synthesis, respiration, digestion of food molecules

    • B. 

      Active transport, recognition of chemical messages, protection

    • C. 

      Enzyme production, elimination of large molecules, duplication of DNA codes

    • D. 

      Release of ATP molecules, regulation of cell reproduction, food production

  • 5. 
    When a new viral infection appears in a population, scientists usually try to develop a vaccine against the virus. Which substances would most likely be contained in the new vaccine? 
    • A. 

      Live bacteria that ingest viruses

    • B. 

      White blood cells from an infected individual

    • C. 

      Weakened viruses associated with the infection

    • D. 

      A variety of microbes that will attack the virus

  • 6. 
    The human heart and lungs contain cells that    
    • A. 

      Produce a hormone involved in respiration

    • B. 

      Have the same genetic information but perform different specialized functions

    • C. 

      Use one part of the genetic code to synthesize all enzymes needed by the cell

    • D. 

      Contain different numbers of DNA molecules

  • 7. 
    The diversity of organisms present on Earth is the result of 
    • A. 

      Ecosystem stability

    • B. 

      Homeostasis

    • C. 

      Natural selection

    • D. 

      Direct harvesting

  • 8. 
    Some stages in the development of an organism are represented in the diagram below.     Which levels of biological organization do stages 2 and 7 have in common?    
    • A. 

      Cells and organs

    • B. 

      Cells and tissues

    • C. 

      Tissues and organelles

    • D. 

      Organelles and cells

  • 9. 
    Plants in species A cannot fight most fungal infections. Plants in species B make a protein that kills many fungi. One possible way for humans to produce species A plants with the ability to synthesize this protein would be to 
    • A. 

      Mutate fungal DNA and introduce the mutated DNA into species B using a virus

    • B. 

      Add DNA from species B into the soil around species A

    • C. 

      Insert the gene for the protein from species B into a chromosome in species A

    • D. 

      Cross species A and a fungus to stimulate the synthesis of this protein

  • 10. 
    The diagram below shows a process that affects chromosomes during meiosis.     This process can be used to explain    
    • A. 

      Why some offspring are genetically identical to their parents

    • B. 

      The process of differentiation in offspring

    • C. 

      Why some offspring physically resemble their parents

    • D. 

      The origin of new combinations of traits in offspring

  • 11. 
    Which phrase, if placed in box X, would correctly complete the flowchart shown below?    
    • A. 

      Increased use of starch in root cells

    • B. 

      Increased concentration of glucose in leaf cells

    • C. 

      Decreased ATP in root cells

    • D. 

      Decreased concentration of oxygen in leaf cells

  • 12. 
    The diagram below represents levels of organization within a cell of a multicellular organism.  The level represented by X is composed of    
    • A. 

      Four types of base subunits

    • B. 

      Folded chains of glucose molecules

    • C. 

      Twenty different kinds of amino acids

    • D. 

      Complex, energy-rich inorganic molecules

  • 13. 
    Scientists have discovered that the Oklahoma salamander, Eurycea tynerensis, develops into its adult form in streams where the streambeds are made of fine, tightly packed gravel. Salamanders living in streams with streambeds made of large, loosely packed gravel remain immature. This situation is an example of 
    • A. 

      The production of gametes

    • B. 

      Faulty genes found in aquatic organisms

    • C. 

      Development influenced by the environment

    • D. 

      The production of new organisms by environmental engineering

  • 14. 
    Which statement is best supported by the theory of evolution? 
    • A. 

      Genetic alterations occur every time cell reproduction occurs.

    • B. 

      The fossil record provides samples of every organism that ever lived.

    • C. 

      Populations that have advantageous characteristics will increase in number.

    • D. 

      Few organisms survive when the environment remains the same.

  • 15. 
    A chemical known as 5-bromouracil causes a mutation that results in the mismatching of molecular bases in DNA. The offspring of organisms exposed to 5-bromouracil can have mismatched DNA if the mutation occurs in 
    • A. 

      The skin cells of the mother

    • B. 

      The gametes of either parent

    • C. 

      All the body cells of both parents

    • D. 

      Only the nerve cells of the father

  • 16. 
    A species that lacks the variation necessary to adapt to a changing environment is more likely to 
    • A. 

      Develop many mutated cells

    • B. 

      Become extinct over time

    • C. 

      Begin to reproduce sexually

    • D. 

      Develop resistance to diseases

  • 17. 
    A particular species of shark normally reproduces sexually. In captivity, it was found that a female could also reproduce asexually. One negative result from asexual reproduction is 
    • A. 

      Increased gene recombinations

    • B. 

      Increased number of males produced

    • C. 

      Decreased number of eggs used

    • D. 

      Decreased biodiversity within the species

  • 18. 
    Which situation involves a risk to a fetus due to the mother smoking during pregnancy? 
    • A. 

      Decreased digestive activity in the stomach of the fetus

    • B. 

      A decrease in the amount of oxygen in the ovary of the mother

    • C. 

      Inhalation of secondhand smoke by the fetus

    • D. 

      Toxins in the bloodstream of the mother

  • 19. 
    Drugs to reduce the risk of rejection are given to organ transplant patients because the donated organ contains 
    • A. 

      Foreign antigens

    • B. 

      Foreign antibodies

    • C. 

      DNA molecules

    • D. 

      Pathogenic microbes

  • 20. 
    A reproductive system is represented in the diagram below.  If an injury occurred to the structure labeled A, the most likely result would be a problem with 
    • A. 

      Delivery of sperm

    • B. 

      Production of gametes

    • C. 

      Production of hormones

    • D. 

      Excretion of urine

  • 21. 
    The leaves of a plant are dotted with openings known as stomata. When open, stomata allow the plant to exchange gases and allow moisture to evaporate, helping to draw water from the roots up into the plant. These activities help the plant to 
    • A. 

      Produce light energy

    • B. 

      Maintain homeostasis

    • C. 

      Decompose organic matter

    • D. 

      Synthesize minerals

  • 22. 
    A stable ecosystem is characterized by having    
    • A. 

      Predators that outnumber their prey

    • B. 

      A continual input of energy

    • C. 

      Limited autotrophic nutrition

    • D. 

      No competition between species

  • 23. 
    The pedigree of Seattle Slew, a racehorse considered by some to be one of the fastest horses that ever lived, includes very fast horses on both his mother’s side and his father’s side. Seattle Slew most likely was a result of 
    • A. 

      Environmental selection

    • B. 

      Alteration of DNA molecules

    • C. 

      Selective breeding

    • D. 

      A sudden mutation

  • 24. 
    Changes in an ecosystem over a long period of time are shown in the diagram below.  These changes will most likely lead to a    
    • A. 

      Stable ecosystem that can last for many years

    • B. 

      Loss of heterotrophs that cannot be recovered

    • C. 

      Long-term rise in environmental temperatures

    • D. 

      Forest consisting of only producers and decomposers

  • 25. 
    Which situation indicates a serious organ system malfunction? 
    • A. 

      The ovary releases estrogen, which quickly binds to cell receptors.

    • B. 

      Blood flow throughout the entire body is suddenly reduced.

    • C. 

      White blood cells release enzymes in response to the proteins on inhaled pollen.

    • D. 

      Mitochondria stop functioning in a unicellular organism exposed to pollutants.

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