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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  
  Hint    
      
  2.Where is the hereditary material located in the cell?  
  a.   the mitochondrion  
  b.   the nucleus  
  c.   the cell membrane  
  d.   the vacuole  
  Hint    
      
  3.Which type of cell forms a protective layer for your body?  
  a.   muscle cell  
  b.   fat cell  
  c.   nerve cell  
  d.   skin cell  
  Hint    
      
  4.What is the smallest unit of life in all living things called?  
  a.   a cell  
  b.   a molecule  
  c.   bacteria  
  d.   an atom  
  Hint    
      
  5.Which of the following is NOT an organ?  
  a.   bones  
  b.   blood tissue  
  c.   the heart  
  d.   skin  
  Hint    
      
  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  
  Hint    
      
  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  
  Hint    
      
  8.Blood is considered a(n) __________.  
  a.   tissue  
  b.   cell  
  c.   organ  
  d.   organ system  
  Hint    
      
  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  
  Hint    
      
  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  
  Hint    
      
  11.What object did Robert Hooke first observe cells in?  
  a.   a bacterium  
  b.   a leaf  
  c.   a cork  
  d.   a muscle  
  Hint    
      
  12.Where does cellular respiration occur?  
  a.   in the mitochondrion  
  b.   in the lungs  
  c.   in the chloroplasts  
  d.   in the vacuole  
  Hint    
      
  13.Chloroplasts capture energy from the __________ to make food.  
  a.   Sun  
  b.   Moon  
  c.   soil  
  d.   stored sugar  
  Hint    
      
  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  
  Hint    
      
  15.What determines which traits an organism will have?  
  a.   cytoplasm  
  b.   DNA  
  c.   the nucleus  
  d.   the mitochondrion  
  Hint    
      
  16.Which of the following are the smallest organisms on Earth?  
  a.   shrimp  
  b.   mold  
  c.   bacteria  
  d.   algae  
  Hint    
      
  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  
  Hint    
      
  18.Cytoplasm is made mostly of _________.  
  a.   chemicals  
  b.   water  
  c.   vitamins  
  d.   gelatin  
  Hint    
      
  19.What type of instrument is used to look at cells?  
  a.   microscope  
  b.   binoculars  
  c.   telescope  
  d.   glasses  
  Hint    
      
  20.What part of the cell helps control what enters and leaves the cell?  
  a.   cytoplasm  
  b.   cell membrane  
  c.   mitochondrion  
  d.   nucleus  
  Hint    

 
   
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