Bio 1 Mid-term Exam Rebate

20 Questions | Total Attempts: 83

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Bio 1 Mid-term Exam Rebate

Questions and Answers
  • 1. 
    The difference in the concentration of dissolved particles from one location to another is called a ___.
    • A. 

      Concentration gradient

    • B. 

      Concentrated solution

    • C. 

      Saline solution

    • D. 

      Dynamic gradient

  • 2. 
    During an experiment, which factors are observed and measured?
    • A. 

      Dependent variables

    • B. 

      Independent variables

    • C. 

      Constants

    • D. 

      Hypotheses

  • 3. 
    If an organic molecule model contains carbon atoms arranged in a long chain, it is probably a model of ___.
    • A. 

      Starch

    • B. 

      A lipid

    • C. 

      Polar molecules

    • D. 

      Protein

  • 4. 
    Many factors should remain unchanged during an experiment. These factors are referred to as  ___.
    • A. 

      Levels

    • B. 

      Hypotheses

    • C. 

      Controlled variables

    • D. 

      Independent variables

  • 5. 
    Fats, oils, and cholesterol are all types of ___.
    • A. 

      Hormones.

    • B. 

      Lipids.

    • C. 

      Cell membranes.

    • D. 

      Fatty acids.

  • 6. 
    The activation energy needed for a chemical reaction is decreased by a ___.
    • A. 

      Catalyst

    • B. 

      Reactant

    • C. 

      Substrate

    • D. 

      Product

  • 7. 
    Which aspect of a chemical reaction is affected by enzymes?
    • A. 

      Direction

    • B. 

      Rate

    • C. 

      Equilibrium

    • D. 

      PH

  • 8. 
    What pH would be considered a strong base?
    • A. 

      2

    • B. 

      6

    • C. 

      8

    • D. 

      12

  • 9. 
    Which of the following molecules found in the food we eat is most commonly broken down to make ATP (providing us with the most readily available energy)?
    • A. 

      Carbohydrates

    • B. 

      Lipids

    • C. 

      Proteins

    • D. 

      Vitamins

  • 10. 
    Which organelles contain enzymes that break down old cell parts?
    • A. 

      Chloroplasts

    • B. 

      Centrosomes

    • C. 

      Lysosomes

    • D. 

      Vacuoles

  • 11. 
    Which organelles are found only in plant cells?
    • A. 

      Chloroplasts

    • B. 

      Centrosomes

    • C. 

      Ribosomes

    • D. 

      Vacuoles

  • 12. 
    A solution that is hypotonic to a cell has ___.
    • A. 

      More solutes than the cell

    • B. 

      Fewer solutes than the cell

    • C. 

      The same concentration of solutes as the cell

    • D. 

      Too many solutes

  • 13. 
    What is the main function of the Golgi apparatus?
    • A. 

      Communicate with other cells

    • B. 

      Convert solar energy to chemical energy

    • C. 

      Process and deliver proteins

    • D. 

      Copy genetic material

  • 14. 
    Which word best describes the structure of the cell membrane?
    • A. 

      Layered

    • B. 

      Rigid

    • C. 

      Nonpolar

    • D. 

      Impermeable

  • 15. 
    Which process requires no energy from the cell?
    • A. 

      Endocytosis

    • B. 

      Exocytosis

    • C. 

      Active transport

    • D. 

      Facilitated diffusion

  • 16. 
    Which of the following statements about succession is correct?
    • A. 

      Secondary succession occurs where no soil exists.

    • B. 

      Primary succession occurs in areas where soil remains after a disturbance.

    • C. 

      Secondary succession can occur where a disturbance has left soil intact.

    • D. 

      Secondary succession begins with pioneer species, primary succession does not.

  • 17. 
    While on the nature trail, a student turns over a rotted log.  Fungi, termites, pill bugs, ants, slugs,  and earthworms are observed living in and around the log.  Altogether, these organisms represent a  ___.
    • A. 

      Community

    • B. 

      Biome

    • C. 

      Species

    • D. 

      Population

  • 18. 
    A doctor prescribed leach therapy (purposefully allowing leaches to remove blood) for a person suffering from a blood disorder, resulting in the person being helped.  This would then be an example of
    • A. 

      Predation

    • B. 

      Parasitism

    • C. 

      Mutualism

    • D. 

      Commensalism

  • 19. 
    Which type of transport is shown in the diagram?
    • A. 

      Passive transport

    • B. 

      Active transport

    • C. 

      Osmosis

    • D. 

      Endocytosis

  • 20. 
    Which of the following is a major principle upon which cell theory is based?
    • A. 

      All cells form by free-cell formation.

    • B. 

      All cells have DNA.

    • C. 

      All organisms are made of cells.

    • D. 

      All cells are eukaryotic.

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