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Human digestive system

Quiz by sheeba charles

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14 questions
Show answers
  • Q1
    The structure which prevents entry of food into the windpipe during swallowing in mammals is:
    Question Image
    Epiglottis
    Glottis
    Pharynx
    Larynx
    30s
  • Q2
    Glottis is a structure which:
    Question Image
    Allows air to enter in trachea.
    Produces sound as air is forced through it.
    Prevents entry of food into windpipe during swallowing food.
    Allows food to pass into oesophagus.
    30s
  • Q3
    Trypsinogen is produced by:
    Question Image
    Stomach
    Pancreas
    Liver
    Duodenum
    30s
  • Q4
    When gall bladder of a man is removed:
    Question Image
    Fat digestion is not possible.
    Acidity continues in the duodenum.
    All of the above
    The effect of pancreatic juice on food is impaired.
    30s
  • Q5
    When a piece of bread is chewed, it tastes sweet because:
    Question Image
    The taste buds are stimulated by chewing.
    It does not taste sweet.
    Saliva converts starch into maltose.
    The sugar contents are drawn out.
    30s
  • Q6
    Functional units of absorption of digested food are:
    Question Image
    Crypts of Lieberkuhn
    Peyer's patches
    Brunner's gland
    Villi
    30s
  • Q7
    In which part of gut, proteins ultimately degraded to amino acids?
    Question Image
    Small intestine
    Colon
    Caecum
    Stomach
    30s
  • Q8
    Pancreatic juice takes part in digestion of:
    Question Image
    Proteins only
    Proteins and fats
    Proteins, fats and carbohydrates
    Proteins and carbohydrates
    30s
  • Q9
    Small intestine is distinguishable into 3 parts, a 'U' shaped____, a long coiled middle portion ____ and a highly coiled ____.
    Question Image
    Caecum, duodenum, ileum
    Jejunum, duodenum, ileum
    Ileum, jejunum, duodenum
    Duodenum, jejunum, ileum
    30s
  • Q10
    How do nutrients, absorbed by the small intestine, travel to the individual cells of the human body?
    Question Image
    The body cells send nerve impulses indicating a lack of nutrients to the small intestine, and the small intestine sends the nutrients back to the cells.
    The nutrients are absorbed from the small intestine into the blood and move through the circulatory system to the body cells.
    The small intestine forces the nutrients into the kidneys, where the nutrients are then dissolved in fluids used by the body cells.
    The nutrients move from the small intestine directly to the liver and then move through the lymphatic system to the body cells.
    30s
  • Q11
    If the bile-pancreatic duct is blocked then which of the following will not be affected?
    Question Image
    Digestion of proteins
    Emulsification of fats
    Digestion of starch
    Level of blood glucose
    30s
  • Q12
    During prolonged fasting,
    First fats are used up, followed by carbohydrates from the liver and muscles and proteins in the end.
    First lipids, followed by proteins and carbohydrates towards the end.
    First carbohydrates are used up, followed by fat and proteins towards the end.
    None of the above
    30s
  • Q13
    Pancreatic cancer is an especially dangerous disease in people because the pancreas is
    Question Image
    The site of synthesis for all of the essential amino acids.
    An organ in which many different kinds of digestive enzymes are manufacture.
    The organ that produces and stores bile.
    One of the organs through which food must pass on its way to the colon.
    30s
  • Q14
    Colostomy is the removal of large parts of the colon. The principal effect of a colostomy is:
    Question Image
    Diarrhoea
    Constipation
    Kwashiorkor and marasmus
    Increased loss of bile pigments
    30s

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