Life Science Enrichment Quiz

30 Questions | Total Attempts: 56

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Life Science Enrichment Quiz

There are 5 questions each on the following themes: Cell Biology, Genetics, Evolution, Ecology, Physiology, and The Scientific Method Study the power-point and watch the relevant videos that your teacher gave you to prepare. Then do the best you can on this quiz. You will need to print out the final score sheet and give it to your teacher when you are done. 70% or better is considered passing.


Questions and Answers
  • 1. 
    In this human gamete which structure stores most of the genetic information? 
    • A. 

      Mitochondrion

    • B. 

      Lysosome

    • C. 

      Nucleus

    • D. 

      Tail

  • 2. 
    Which of the following organelles releases energy from sugars?   
    • A. 

      Ribosomes

    • B. 

      Vacuoles

    • C. 

      Chloroplasts

    • D. 

      Mitochondria

  • 3. 
    Which of the following organelles use carbon dioxide to produce sugars?
    • A. 

      Vacuoles

    • B. 

      Ribosomes

    • C. 

      Chloroplasts

    • D. 

      Mitochondria

  • 4. 
    Which of the following lacks a nucleus?
    • A. 

      A plant cell

    • B. 

      An animal cell

    • C. 

      An amoeba

    • D. 

      A virus

  • 5. 
    During photosynthesis in plants, what is the source of the carbon in the sugar molecule (C6H12O6)?
    • A. 

      Carbon dioxide in the air

    • B. 

      Carbon monoxide in the air

    • C. 

      Carbon particles in the soil

    • D. 

      Carbon particles in water

  • 6. 
    The genetic material of an organism is composed of
    • A. 

      Lipids

    • B. 

      Proteins

    • C. 

      Deoxyribonucleic acids

    • D. 

      Complex carbohydrates

  • 7. 
    Which of the following produces identical nuclei in cells?
    • A. 

      Pollination

    • B. 

      Mitosis

    • C. 

      Osmosis

    • D. 

      Fertilization

  • 8. 
    The inheritance of a trait in humans is best described as being determined by
    • A. 

      A single allele

    • B. 

      One or more pairs of alleles

    • C. 

      One pair of chromosomes

    • D. 

      The sex chromosomes of the offspring

  • 9. 
    Which of the following cell types is formed by meiosis?
    • A. 

      Muscle cells

    • B. 

      Sperm cells

    • C. 

      Skin cells

    • D. 

      Blood cells

  • 10. 
    In pigeons, the allele for normal feathers (F) is dominant to the allele for frizzy feathers (f).    If a purebred, normal-feathered bird (FF) is crossed with a frizzy-feathered bird (ff), how many different feather phenotypes are possible in the offspring?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 11. 
    How is natural selection in the evolution of long necks in giraffes best explained?  
    • A. 

      Shorter-necked giraffes were killed by long-necked giraffes.

    • B. 

      Giraffe necks grew longer because of the bone structure of the animals.

    • C. 

      Giraffes with longer necks survived because they were better suited to the environment.

    • D. 

      Long-necked giraffes mated only with other long-necked giraffes.

  • 12. 
    Which layer most likely contains fossils of the most recently evolved organisms?
    • A. 

      6

    • B. 

      5

    • C. 

      2

    • D. 

      1

  • 13. 
    Which of the following is a source of genetic variation within a species?
    • A. 

      Cloning

    • B. 

      Mutation

    • C. 

      Selective breeding

    • D. 

      Natural selection

  • 14. 
    The diet of white-tailed deer consists primarily of shrubs. Sika are another species of deer that eat both grasses and shrubs. After an extended drought period, why might the sika population be favored over the white-tailed deer population?
    • A. 

      Sika require less food than do the white-tailed deer.

    • B. 

      Sika require more water than do the white-tailed deer.

    • C. 

      Sika have more food sources than do the white-tailed deer.

    • D. 

      Sika have fewer food sources than do the white-tailed deer.

  • 15. 
    Skeletal structures are common between two animals of different species. These structures probably exist because both species
    • A. 

      Have a common food source.

    • B. 

      Live in the same environment

    • C. 

      Have survived until the present time

    • D. 

      Are related to a common ancestor.

  • 16. 
    the following shows a marine food chain: Phytoplankton --> Zooplankton --> Herring --> Salmon The zooplankton in this food chain are  
    • A. 

      Primary producers

    • B. 

      Primary consumers

    • C. 

      Secondary consumers

    • D. 

      Tertiary consumers

  • 17. 
    Which of the following sets of organisms would be found in a wetland ecosystem?
    • A. 

      Tortoise, lizard, fly

    • B. 

      Salamander, mosquito, frog

    • C. 

      Moose, seal, lemming

    • D. 

      Lion, giraffe, beetle

  • 18. 
    Which of the following processes allows the cells of an organism to use carbon from the environment?
    • A. 

      Mitosis

    • B. 

      Fertilization

    • C. 

      Transpiration

    • D. 

      Photosynthesis

  • 19. 
    Fungi are an important part of a terrestrial ecosystem because they
    • A. 

      Store energy.

    • B. 

      Bond oxygen to sulfur.

    • C. 

      Function as producers.

    • D. 

      Recycle organic matter.

  • 20. 
    The loss of which trophic level would be most disastrous for the ecosystem?
    • A. 

      Primary consumer

    • B. 

      Secondary consumer

    • C. 

      Apex consumer

    • D. 

      Producer

  • 21. 
    Which of the following levels of organization best represents the sequence from smallest unit to largest? 
    • A. 

      Cell, organism, organ, tissue

    • B. 

      Cell, tissue, organ, organ system

    • C. 

      Cell, organism, tissue, organ system

    • D. 

      Cell, tissue, organism, organ

  • 22. 
    Which of the following pairs provides structural support for a human? 
    • A. 

      Skin and blood

    • B. 

      Bones and muscles

    • C. 

      Spine and heart

    • D. 

      Brain and nerves

  • 23. 
    Which three human-body systems coordinate to cause an arm to move?  
    • A. 

      Nervous, muscular, skeletal

    • B. 

      Respiratory, muscular, digestive

    • C. 

      Skeletal, circulatory, immune

    • D. 

      Digestive, nervous, circulatory

  • 24. 
    As a person exercises, carbon dioxide (CO2 ) levels in the blood increase. This causes the nervous system to signal which of these systems to respond? 
    • A. 

      Digestive and immune

    • B. 

      Immune and respiratory

    • C. 

      Respiratory and circulatory

    • D. 

      Circulatory and endocrine

  • 25. 
    The purpose for giving a person a vaccine is to 
    • A. 

      Introduce chemicals that destroy viruses.

    • B. 

      Stimulate an immune response.

    • C. 

      Prevent inflammation.

    • D. 

      Cure a disease.

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