Biology 12 Digestive Test (BC)

30 Questions | Total Attempts: 1773

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Biology 12 Digestive Test (BC)

Biology 12 Quiz: Animal Nutrition Digestive System Rules: Books and Internet guides should not be used during this test. To gain the best experience, do not go back to any questions.


Questions and Answers
  • 1. 
    Explain how the liver, gall bladder and pancreas work together during digestion. (from the biology 12 provincials 2010) (optional, for practice)
  • 2. 
    Animal Nutrition What is Homeostasis?
    • A. 

      The Suspension of inactive Organs

    • B. 

      The balance of various levels in the organism

    • C. 

      The balance of Glucose in the organism

    • D. 

      The inactivity of organs

  • 3. 
    What are Heterotrophs?
    • A. 

      Organisms that have the ability of Homeostasis

    • B. 

      Mammals with feet that have nails

    • C. 

      Heterosexual mammals

    • D. 

      Organisms dependent on intake of food for life.

  • 4. 
    When glucose levels become too high in the blood, The _____ secretes ______.
    • A. 

      Pancreas, Insulin

    • B. 

      Liver, Insulin

    • C. 

      Pancreas, Glucagon

    • D. 

      Liver, Glucagon

  • 5. 
    A malnourished animal is __________.
    • A. 

      An animal with caloric deficiency

    • B. 

      An animal that has a diet low in amino acids

    • C. 

      An animal who has one or more essential nutrients missing from it's diet

    • D. 

      An animal that has a diet low in fat

  • 6. 
    A undernourished animal is __________.
    • A. 

      An animal with caloric deficiency

    • B. 

      An animal that has a diet low in amino acids

    • C. 

      An animal who has one or more essential nutrients missing from it

    • D. 

      An animal that has a diet low in fat

  • 7. 
    Which of these are classes of essential nutrients? (you may choose as many as applicable)
    • A. 

      Essential oils

    • B. 

      Essential fatty acids

    • C. 

      Water

    • D. 

      Essential amino acids

    • E. 

      Vitamins

    • F. 

      Minerals

    • G. 

      Essential sugars

  • 8. 
    How many essential amino acids are there for humans?
    • A. 

      4

    • B. 

      6

    • C. 

      8

    • D. 

      10

  • 9. 
    Which two foods, when eaten together, provides all the essential amino acids for humans?
    • A. 

      Beans and lettuce

    • B. 

      Corn and wheat

    • C. 

      Bananas and oranges

    • D. 

      Beans and corn

  • 10. 
    Why are Vitamins A, D, E, and K more dangerous than others?
    • A. 

      They are more poisonous.

    • B. 

      They are fat-soluble, and hard to dispose of.

    • C. 

      These have more dangerous side effects

    • D. 

      They are water soluble, and thrown away easily

  • 11. 
    Is the statement true or false? Minerals are organic nutrients
    • A. 

      True

    • B. 

      False

  • 12. 
    _______ eat small food particles when close. _______ live in or on food source _______ salvage partially decayed organic material _______ drinks liquid directly from living animals _______ feeds large pieces of food
    • A. 

      Suspension-feeders, substrate-feeders, deposit-feeders, fluid-feeders, bulk-feeders

    • B. 

      Substrate-feeders, suspension-feeders, bulk-feeders, fluid-feeders, deposit feeders

    • C. 

      Suspension-feeders, deposit-feeders, substrate-feeders, fluid-feeders, bulk-feeders

    • D. 

      Suspension-feeders, substrate-feeders, bulk-feeders, fluid-feeders, deposit-feeders

  • 13. 
    The Mammalian Digestive System What is the Alimentary Canal?
    • A. 

      A part of the small intestine

    • B. 

      The place where the stomach meets the duodenum

    • C. 

      The Left arch of the Large Intestine

    • D. 

      The path that food takes from the mouth to the anus.

  • 14. 
    Identify 'Y'
  • 15. 
    Identify 'X'
  • 16. 
    Villi (you may choose as many as applicable)
    • A. 

      Are Rhythmical contractions of the gut.

    • B. 

      Are fingerlike projections in the small intestine.

    • C. 

      Increase the absorbing surface of the small intestine

  • 17. 
    Peristalsis
    • A. 

      Is the rhythmic waves of contraction in a canal that push substance.

    • B. 

      Is the rhythmic waves of the villi

    • C. 

      Is the action of churning the stomach

  • 18. 
    The mammalian digestive system contains the accessory glands: (you may choose as many as applicable)
    • A. 

      Gallbladder

    • B. 

      Liver

    • C. 

      Pancreas

    • D. 

      The Salivary Glands

    • E. 

      Kidney

    • F. 

      Stomach

  • 19. 
    What Part of the digestive system secretes hydrochloric acid?
    • A. 

      Mouth

    • B. 

      Stomach

    • C. 

      Large intestine

    • D. 

      Small intestine

  • 20. 
    The contents of the stomach must be acidic so that pepson may be converted to its active form, pepsinogen.
    • A. 

      True

    • B. 

      False

  • 21. 
    Consider an enzyme-catalyzed reaction tha normlly occurs in the mouth. Which one of the following changes would cause the greatest increase in the reaction rate if the reaction was proceeding at 20°c and at a PH of 7?
    • A. 

      Decrease the temperature and increase the PH.

    • B. 

      Increase the temperature and maintain the same PH.

    • C. 

      Decrease the temperature and increase the amount of substrate.

    • D. 

      Decrease the temperature and decrease the amount of substrate.

  • 22. 
    Salivary Amylaze Hydrolyzes (you may choose as many as applicable)
    • A. 

      Starch

    • B. 

      Protein

    • C. 

      Glucose

    • D. 

      Fat

  • 23. 
    In which structure are vitamins synthesized by bacteria?
    • A. 

      Stomach

    • B. 

      Small Intestine

    • C. 

      Large Intestine

    • D. 

      Pancreas

  • 24. 
    Which organ contains the most Hydrogen Ions?
    • A. 

      Liver

    • B. 

      Stomach

    • C. 

      Gallbladder

    • D. 

      Pancreas

  • 25. 
    Decreased secretion of insulin results in
    • A. 

      Increased production of glycogen in the liver

    • B. 

      Increased concentration of glucose in the blood.

    • C. 

      Decreased concentration of protein in the small intestine.

    • D. 

      Decreased concentration of sugar molecules in the duodenum.

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