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Mouth is the anterior opening of alimentary canal in the body of a human.

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Important Questions on Digestion and Absorption

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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
In the stomach, gastric acid is secreted by the
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
In a T. S. of the human small intestine, serosa is the outermost layer and is made up of a thin __A__. Muscularis is formed by the smooth muscles arranged outer __B__ and inner __C__. Sub-mucosa is formed by the __D__. Mucosa is the innermost layer made of __E__.
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which ONE of the following is NOT a function of the small intestine?
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
What type of dentition is seen in mammals?
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
A baby boy aged two years is admitted to playing school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which of the following statements is not correct?
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
The crypts of Lieberkuhn are found in which one of the following parts of the human digestive tract?
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
The first enzyme that the food encounters in human digestive system is
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Match the following structures with their respective location in organs:
  Column – I   Column – II
(a) Crypts of Lieberkuhn (i) Pancreas
(b) Glisson’s capsule (ii) Duodenum
(c) Islets of Langerhans (iii) Small intestine
(d) Brunner’s Glands (iv) Liver

Select the correct option.
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Carnivorous animals use _____ teeth to tear flesh.
 
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Discuss the basic structure of the alimentary canal wall and explain differences found in the various regions of the alimentary canal.
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which of the following terms describe human dentition?
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which of the following guards the opening of the hepatopancreatic duct into the duodenum?
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
In the digestive system, the pH of the stomach and the intestine, respectively are:
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which one of the following glands does not secrete saliva?
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Identify the correct statement with reference to human digestive system.
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
The primary dentition in human differs from permanent dentition in not having one of the following types of teeth:
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Biology>Human Physiology>Digestion and Absorption>The Human Digestive System

Study the following diagram of human tongue and identify the part I, II, and III

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