Digestive System
Biology ⇒ Human Biology
Digestive System starts at 6 and continues till grade 12.
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See sample questions for grade 11
A person is experiencing heartburn after eating a large meal. Explain the physiological cause of this sensation.
Describe the pathway of food through the human digestive system, starting from the mouth.
Describe the process of peristalsis and its role in the digestive system.
Describe the role of mucus in the stomach.
Explain the difference between mechanical and chemical digestion, giving one example of each.
Explain the importance of the microvilli on the villi of the small intestine.
A patient is unable to digest fats properly. Which organ is most likely malfunctioning?
(1) Liver
(2) Pancreas
(3) Gallbladder
(4) Stomach
A person is experiencing heartburn after eating a large meal. Explain the physiological cause of this sensation.
A patient is unable to digest fats properly. Which organ is most likely malfunctioning?
(1) Liver
(2) Pancreas
(3) Gallbladder
(4) Stomach
Which enzyme is responsible for the digestion of proteins in the stomach?
(1) Amylase
(2) Pepsin
(3) Lipase
(4) Maltase
Which of the following best describes the function of bile?
(1) Digests proteins
(2) Emulsifies fats
(3) Absorbs water
(4) Neutralizes stomach acid
Which of the following best describes the role of hydrochloric acid in the stomach?
(1) Emulsifies fats
(2) Activates pepsinogen
(3) Absorbs nutrients
(4) Produces bile
The ________ is a long tube that connects the mouth to the stomach.
The ________ prevents food from entering the trachea during swallowing.
The ________ sphincter controls the passage of food from the stomach to the small intestine.
The enzyme ________ is secreted by the salivary glands and begins the digestion of starch in the mouth.
True or False: All nutrients are absorbed in the small intestine.
True or False: The gallbladder produces bile.
True or False: The main function of the large intestine is absorption of nutrients.
True or False: The pancreas secretes both digestive enzymes and hormones.
