Quiz: Biology Digestive System

27 Questions | Total Attempts: 2293

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Quiz: Biology Digestive System - Quiz

Biology is the science of living. We have created a quiz on the Digestive system that will test your knowledge about this topic. The digestive system is the process of eating, excretion, and all that happens in between. This quiz covers questions ranging from easy to medium to high levels that will be of immense help to students. If you find this quiz informative and challenging enough, or you learned something new from this, do share it with your friends and family. All the best!


Questions and Answers
  • 1. 
    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

  • 2. 
    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.

  • 3. 
    When glucose levels become too high in the blood, The _____ secretes ______.
    • A. 

      Pancreas, Insulin

    • B. 

      Liver, Insulin

    • C. 

      Pancreas, Glucagon

    • D. 

      Liver, Glucagon

  • 4. 
    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

  • 5. 
    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

  • 6. 
    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

  • 7. 
    How many essential amino acids are there for humans?
    • A. 

      4

    • B. 

      6

    • C. 

      8

    • D. 

      10

  • 8. 
    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

  • 9. 
    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

  • 10. 
    Is the statement true or false? Minerals are organic nutrients
    • A. 

      True

    • B. 

      False

  • 11. 
    _______ 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

  • 12. 
    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.

  • 13. 
    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

  • 14. 
    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

    • D. 

      Is the action of eating food

  • 15. 
    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

  • 16. 
    What Part of the digestive system secretes hydrochloric acid?
    • A. 

      Mouth

    • B. 

      Stomach

    • C. 

      Large intestine

    • D. 

      Small intestine

  • 17. 
    The contents of the stomach must be acidic so that pepson may be converted to its active form, pepsinogen.
    • A. 

      True

    • B. 

      False

  • 18. 
    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.

  • 19. 
    Salivary Amylaze Hydrolyzes (you may choose as many as applicable)
    • A. 

      Starch

    • B. 

      Protein

    • C. 

      Glucose

    • D. 

      Fat

  • 20. 
    In which structure are vitamins synthesized by bacteria?
    • A. 

      Stomach

    • B. 

      Small Intestine

    • C. 

      Large Intestine

    • D. 

      Pancreas

  • 21. 
    Which organ contains the most Hydrogen Ions?
    • A. 

      Liver

    • B. 

      Stomach

    • C. 

      Gallbladder

    • D. 

      Pancreas

  • 22. 
    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.

  • 23. 
    Which enzymes are used in the digestion of Carbohydrates? (you may choose as many as applicable)
    • A. 

      Salivary Amylase

    • B. 

      Glucase

    • C. 

      Maltase

    • D. 

      Pancreatic Amylase

    • E. 

      Trypsin

    • F. 

      Lipase

    • G. 

      Sucrase

    • H. 

      Lactase

    • I. 

      Chymotripsin

    • J. 

      Renal Amylase

  • 24. 
    Which enzymes are involved (directly or indirectly) in the digestion of Proteins? (you may choose as many as applicable)
    • A. 

      Trypsin

    • B. 

      Dipeptidase

    • C. 

      Aminopeptidase

    • D. 

      Chymotripsin

    • E. 

      Pepsin

    • F. 

      Carboxypeptidase

    • G. 

      Enteropeptidase

    • H. 

      Pepsinogen

  • 25. 
    Which enzymes are used in the digestion of Nucleic Acid? (you may choose as many as applicable)
    • A. 

      Amylases

    • B. 

      Nucleases

    • C. 

      Disaccharidases

    • D. 

      Lipase

    • E. 

      Ribonuclease

    • F. 

      Deoxynuclease

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