Chapter 7 & 8 Biology

15 Questions | Total Attempts: 50

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Biology Quizzes & Trivia

Questions and Answers
  • 1. 
    Center of an atom:
    • A. 

      Nucleus

    • B. 

      Enzyme

    • C. 

      Nucleolus

  • 2. 
    Atoms of the same element with different numbers of neutrons are:
    • A. 

      Isomers

    • B. 

      Isotopes

  • 3. 
    Atoms of 2 or more elements chemically combined are:
    • A. 

      Mixtures

    • B. 

      Compounds

  • 4. 
    2 atoms that share electrons are held together by __________ bonds
    • A. 

      Ionic

    • B. 

      Covalent

  • 5. 
    Any substance that forms hydrogen ions in water is a(n)
    • A. 

      Acid

    • B. 

      Base

  • 6. 
    Carbon-12 and Carbon-14 are
    • A. 

      Isotopes

    • B. 

      Polymers

    • C. 

      Radio-isotopes

    • D. 

      Macromolecules

  • 7. 
    A very strong base might have a pH of
    • A. 

      3

    • B. 

      5

    • C. 

      9

    • D. 

      13

  • 8. 
    A membrane-bound fluid-filled sac
  • 9. 
    Closely stacked, flattened membrane sacs
  • 10. 
    The sites of protein assembly
  • 11. 
    A folded membrane that forms a network of interconnected compartments in the cytoplasm
  • 12. 
    Plant organelles that store starches or lipids or contain pigments
  • 13. 
    Eukaryotic cells have no true nucleus
    • A. 

      True

    • B. 

      False

  • 14. 
    A neutron has no charge
    • A. 

      True

    • B. 

      False

  • 15. 
    Biology is FUN!
    • A. 

      True

    • B. 

      False

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