Biology Cp - Unit 2

26 Questions | Total Attempts: 115

SettingsSettingsSettings
Please wait...
Biology Quizzes & Trivia

Prentice Hall: Biology The Living World


Questions and Answers
  • 1. 
    Negatively charged sub-component of atom:
    • A. 

      Electron

    • B. 

      Proton

    • C. 

      Neutron

  • 2. 
    An element is matter that contains only one type of:
    • A. 

      Ion

    • B. 

      Atom

    • C. 

      Isotope

  • 3. 
    The atomic number is equal to the number of:
    • A. 

      Neutrons

    • B. 

      Protease

    • C. 

      Protons

  • 4. 
    The mass number is equal to:
    • A. 

      The number of protons plus the number of neutrons

    • B. 

      The number of the element minus neutrons

    • C. 

      The ionic number increased by 2

  • 5. 
    Atoms with the same Atomic Number but different numbers of neutrons are called:
    • A. 

      Zwitterions

    • B. 

      Isotopes

    • C. 

      Anions

  • 6. 
    An atom with an unequal number of protons and electrons is called a(n):
    • A. 

      Ion

    • B. 

      Isotope

    • C. 

      Deuterium

  • 7. 
    A positive charged ion is called a(n):
    • A. 

      Zwitterion

    • B. 

      Anion

    • C. 

      Cation

  • 8. 
    A negatively charged ion is called a(n):
    • A. 

      Anion

    • B. 

      Cation

    • C. 

      Zwitterion

  • 9. 
    This particle is a combination of two or more atoms:
    • A. 

      Noble gas

    • B. 

      Isotope

    • C. 

      Element

  • 10. 
    These substances are to the far right of the Period Chart of Elements, and represent elements that have the most stable electron configurations, with full valence electron shells:
    • A. 

      Organic Salts

    • B. 

      Noble Gasses

    • C. 

      Electron Clouds

  • 11. 
    The carbons in Butane (Butane has 4 Carbon atoms and 10 Hydrogen atoms) are held together by this type of bond:
    • A. 

      Transient

    • B. 

      Ionic

    • C. 

      Covalent

  • 12. 
    This type of ion has a positive charge at one end and a negative charge at the other, giving it unique chemical properties and reactivity:
    • A. 

      Zwitterion

    • B. 

      Isotope

    • C. 

      Deuterium

  • 13. 
    This category of electron shell has one orbital that can hold two electrons:
    • A. 

      S

    • B. 

      P

    • C. 

      D

  • 14. 
    A mixture is when two or more distinct substances are mixed together but do not chemically combined.  Which of the following statements is also true of mixtures?  (Choose the best answer.)
    • A. 

      A solution is a homogenous mixture in which a solute has completely dissolved in the solvent

    • B. 

      A homogenous mixture is one with substances evenly distributed & A heterogenous mixture is one with substances unevenly distributed

    • C. 

      Both A & B are true

  • 15. 
    A suspension is a heterogeneous mixture in which the suspended particles are too large to be evenly distributed, and will eventually settle out due to gravity, unless continually stirred or agitated.
    • A. 

      True

    • B. 

      False

  • 16. 
    Acids tend to pull electrons off other substances, while bases tend donate electrons.
    • A. 

      True

    • B. 

      False

  • 17. 
    HCl (Hydrochloric Acid) is an ionic combination of Hydrogen and Chlorine, and is a POWERFUL BASE that helps digest food in the stomach.
    • A. 

      True

    • B. 

      False

  • 18. 
    A pH of 7 is neutral.
    • A. 

      True

    • B. 

      False

  • 19. 
    These molecules store large amounts of energy in the body:
    • A. 

      Lipids (fats)

    • B. 

      Sugars (including glucose)

    • C. 

      Amino Acids

  • 20. 
    These molecules are the body's main source of energy.
    • A. 

      Fiber

    • B. 

      Carbohydrates

    • C. 

      Proteins

  • 21. 
    Carbon tends to form 3 covalent bonds with other organic compounds.HINT:  Carbon has an atomic number of 6, while the nearest noble gas is neon with an atomic number of 10.
    • A. 

      True

    • B. 

      False

  • 22. 
    Energy and mass are both destroyed during chemical reactions.
    • A. 

      True

    • B. 

      False

  • 23. 
    A black hole is a poorly understood phenomenon that may violate the natural laws of Conservation of Mass and Conservation of Energy.
    • A. 

      True

    • B. 

      False

  • 24. 
    Proteins are made up of specific combinations of Amino Acids.
    • A. 

      True

    • B. 

      False

  • 25. 
    Kinetic energy is the energy of motion.  Potential energy is energy of relative position.
    • A. 

      True

    • B. 

      False

  • 26. 
    Sugars are important energy supplying carbohydrates, the names of which typically end in this suffix:
    • A. 

      -ose Examples: Glucose, Maltose, Fructose

    • B. 

      -ase Examples: Glucase, Maltase, Fructase

    • C. 

      -use Examples: Glucuse, Maltuse, Fructuse