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Cells - The Units of Life

Practice Test
      
  1.Where is the hereditary material located in the cell?  
  a.   the cell membrane  
  b.   the mitochondrion  
  c.   the nucleus  
  d.   the vacuole  
  Hint    
      
  2.What part of the cell helps control what enters and leaves the cell?  
  a.   mitochondrion  
  b.   cell membrane  
  c.   nucleus  
  d.   cytoplasm  
  Hint    
      
  3.Cells that form a system through which water, food, and other materials move in a plant are __________.  
  a.   brick shaped  
  b.   long and tubelike  
  c.   round  
  d.   block shaped  
  Hint    
      
  4.Which of the following are the smallest organisms on Earth?  
  a.   algae  
  b.   mold  
  c.   shrimp  
  d.   bacteria  
  Hint    
      
  5.Groups of similar cells that all do the same sort of work are called __________.  
  a.   tissues  
  b.   organ systems  
  c.   cell systems  
  d.   organs  
  Hint    
      
  6.Which of the following is NOT an organ?  
  a.   bones  
  b.   the heart  
  c.   skin  
  d.   blood tissue  
  Hint    
      
  7.Where does cellular respiration occur?  
  a.   in the vacuole  
  b.   in the lungs  
  c.   in the chloroplasts  
  d.   in the mitochondrion  
  Hint    
      
  8.Which of these is similar in function to a vacuole?  
  a.   a bakery manager  
  b.   a closet  
  c.   an electric circuit  
  d.   a wall  
  Hint    
      
  9.Which of the following does NOT have organelles?  
  a.   algae  
  b.   plants  
  c.   fungi  
  d.   bacteria  
  Hint    
      
  10.Which of the following is an organ?  
  a.   stomach  
  b.   nerve tissue  
  c.   blood tissue  
  d.   muscle tissue  
  Hint    
      
  11.What type of instrument is used to look at cells?  
  a.   glasses  
  b.   telescope  
  c.   binoculars  
  d.   microscope  
  Hint    
      
  12.Put the level of organization in order from smallest to largest.  
  a.   cells, tissues, organs, and organ systems  
  b.   organ system, organs, tissues, and cells  
  c.   cells, organs, tissues, and organ systems  
  d.   organs, tissues, cells, and organ system  
  Hint    
      
  13.Cytoplasm is made mostly of _________.  
  a.   water  
  b.   vitamins  
  c.   chemicals  
  d.   gelatin  
  Hint    
      
  14.Blood is considered a(n) __________.  
  a.   organ  
  b.   cell  
  c.   tissue  
  d.   organ system  
  Hint    
      
  15.What determines which traits an organism will have?  
  a.   DNA  
  b.   the nucleus  
  c.   cytoplasm  
  d.   the mitochondrion  
  Hint    
      
  16.What is the function of a nerve cell?  
  a.   to receive and deliver messages  
  b.   to form a protective layer for your body  
  c.   to contract and relax muscles  
  d.   to store fat  
  Hint    
      
  17.What is the smallest unit of life in all living things called?  
  a.   bacteria  
  b.   a cell  
  c.   an atom  
  d.   a molecule  
  Hint    
      
  18.Plants, algae, and many bacteria make their own food through the process of __________.  
  a.   cellular respiration  
  b.   photosynthesis  
  c.   digestion  
  d.   metabolism  
  Hint    
      
  19.The statement that all cells come from cells that already exist is part of __________.  
  a.   the cell theory  
  b.   Hooke's theory  
  c.   the fossil record  
  d.   the reproductive theory  
  Hint    
      
  20.Which two structures do plant cells have that animal cells do not have?  
  a.   chloroplasts and a cell wall  
  b.   chromosomes and chlorophyll  
  c.   cell membrane and a nucleus  
  d.   vacuoles and chloroplasts  
  Hint    

 
   
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