Chapter Five Quiz: Obtaining Energy And Nutrients For Life

15 Questions | Total Attempts: 50

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Chapter Five Quiz: Obtaining Energy And Nutrients For Life - Quiz

Questions and Answers
  • 1. 
    All heterotrophic organisms contain chloroplasts and are capable of carrying out photosynthesis.
    • A. 

      True

    • B. 

      False

  • 2. 
    The dentition of the skull below would indicate the animal is a ...
    • A. 

      Carnivore

    • B. 

      Herbivore

    • C. 

      Gnawing animal

    • D. 

      Omnivore

  • 3. 
    Choose the best definition for digestion.
    • A. 

      The net movement of monomers across a plasma membrane

    • B. 

      Chemical breakdown of large organic molecules into smaller units that can pass across plasma membranes

    • C. 

      The release of enzymes to break down large organic molecules into their sub-units

    • D. 

      The absorption of nutrients

  • 4. 
    Enzymes important in digestion include:
    • A. 

      Pepsin in the duodenum

    • B. 

      Bile in the small intestine

    • C. 

      Maltases in the large intestine

    • D. 

      Amylases in salvia

  • 5. 
    Amino acids, glucose, fructose, galactose, glycerol and fatty acids are absorbed across villi in the large intestine.
    • A. 

      True

    • B. 

      False

  • 6. 
    What conditions do pepsin need to work at its optimum?
    • A. 

      PH 7 and temperature of 37 degrees Celsius

    • B. 

      PH 6.5 and temperature of 25 degrees Celsius

    • C. 

      PH 14 and temperature of 37 degrees Celsius

    • D. 

      PH 2 and temperature of 37 degrees Celsius

  • 7. 
    When there is no food in the small intestine, bile moves from the bile duct into the gall bladder where it is stored and concentrated.
    • A. 

      True

    • B. 

      False

  • 8. 
    Where would the following structure be found and what is its role?
    • A. 

      Trachea and to trap dust particles

    • B. 

      The jejunum and to increase the surface area of nutrient absorption

    • C. 

      The stomach and the secretion of gastic juice

    • D. 

      Large intestine and to increase the surface area of water absorption

  • 9. 
    Mammals that have a modified of the oesophagus and stomach are called:
    • A. 

      Hindgut

    • B. 

      Foregut

    • C. 

      Omnivore

    • D. 

      Herbivore

  • 10. 
    The following digestive system would be classified as a hindgut fermenter:
    • A. 

      True

    • B. 

      False

  • 11. 
    Carnivores have relatively short alimentary canals compared with those of herbivores.
    • A. 

      True

    • B. 

      False

  • 12. 
    The pancreas releases digestive enzymes into the alimentary canal just above the cardiac sphincter.
    • A. 

      True

    • B. 

      False

  • 13. 
    What enzyme does saliva contain and what macromolecule does it break down?
    • A. 

      Amylase and Protein

    • B. 

      Amylase and Starch

    • C. 

      Amylase and Fat

    • D. 

      Pepsin and Protein

  • 14. 
    Most of the fats that are broken down into glycerol and fatty acids are absorbed into blind extensions of the lymphatic system called lacteals.
    • A. 

      True

    • B. 

      False

  • 15. 
    What is structure 17 called?
    • A. 

      Liver

    • B. 

      Caecum

    • C. 

      Pancreas

    • D. 

      Stomach

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