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Cells - The Units of Life

Practice Test
  1.Which two structures do plant cells have that animal cells do not have?  
  a.   vacuoles and chloroplasts  
  b.   chloroplasts and a cell wall  
  c.   cell membrane and a nucleus  
  d.   chromosomes and chlorophyll  
  2.Where is the hereditary material located in the cell?  
  a.   the mitochondrion  
  b.   the nucleus  
  c.   the cell membrane  
  d.   the vacuole  
  3.Which type of cell forms a protective layer for your body?  
  a.   muscle cell  
  b.   fat cell  
  c.   nerve cell  
  d.   skin cell  
  4.What is the smallest unit of life in all living things called?  
  a.   a cell  
  b.   a molecule  
  c.   bacteria  
  d.   an atom  
  5.Which of the following is NOT an organ?  
  a.   bones  
  b.   blood tissue  
  c.   the heart  
  d.   skin  
  6.Put the level of organization in order from smallest to largest.  
  a.   cells, organs, tissues, and organ systems  
  b.   organs, tissues, cells, and organ system  
  c.   organ system, organs, tissues, and cells  
  d.   cells, tissues, organs, and organ systems  
  7.Which of these is similar in function to a vacuole?  
  a.   a wall  
  b.   an electric circuit  
  c.   a bakery manager  
  d.   a closet  
  8.Blood is considered a(n) __________.  
  a.   tissue  
  b.   cell  
  c.   organ  
  d.   organ system  
  9.If a group of organs work together to perform a specific job, what are they called?  
  a.   helper organs  
  b.   an organ system  
  c.   an organism  
  d.   tissue systems  
  10.If a microscope has a lens with a power of 20X, how many times will it magnify something?  
  a.   2 times its actual size  
  b.   2,000 times its actual size  
  c.   20 times is actual size  
  d.   200 times its actual size  
  11.What object did Robert Hooke first observe cells in?  
  a.   a bacterium  
  b.   a leaf  
  c.   a cork  
  d.   a muscle  
  12.Where does cellular respiration occur?  
  a.   in the mitochondrion  
  b.   in the lungs  
  c.   in the chloroplasts  
  d.   in the vacuole  
  13.Chloroplasts capture energy from the __________ to make food.  
  a.   Sun  
  b.   Moon  
  c.   soil  
  d.   stored sugar  
  14.Groups of similar cells that all do the same sort of work are called __________.  
  a.   organs  
  b.   organ systems  
  c.   tissues  
  d.   cell systems  
  15.What determines which traits an organism will have?  
  a.   cytoplasm  
  b.   DNA  
  c.   the nucleus  
  d.   the mitochondrion  
  16.Which of the following are the smallest organisms on Earth?  
  a.   shrimp  
  b.   mold  
  c.   bacteria  
  d.   algae  
  17.What is the function of a nerve cell?  
  a.   to form a protective layer for your body  
  b.   to store fat  
  c.   to receive and deliver messages  
  d.   to contract and relax muscles  
  18.Cytoplasm is made mostly of _________.  
  a.   chemicals  
  b.   water  
  c.   vitamins  
  d.   gelatin  
  19.What type of instrument is used to look at cells?  
  a.   microscope  
  b.   binoculars  
  c.   telescope  
  d.   glasses  
  20.What part of the cell helps control what enters and leaves the cell?  
  a.   cytoplasm  
  b.   cell membrane  
  c.   mitochondrion  
  d.   nucleus  

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