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Which part of the alimentary canal, whether oesophagus or small intestine, does not secrete any digestive enzyme?

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Important Questions on Digestion and Absorption

MEDIUM
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which of the following statements is not correct?
EASY
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
Which of the following guards the opening of the hepatopancreatic duct into the duodenum?
EASY
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which of the following terms describe human dentition?
EASY
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:
EASY
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Carnivorous animals use _____ teeth to tear flesh.
 
EASY
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
In the stomach, gastric acid is secreted by the
EASY
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which one of the following glands does not secrete saliva?
EASY
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Identify the correct statement with reference to human digestive system.
MEDIUM
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__.
EASY
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.
EASY
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?
EASY
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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EASY
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
What type of dentition is seen in mammals?
EASY
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
The first enzyme that the food encounters in human digestive system is
EASY
Biology>Human Physiology>Digestion and Absorption>The Human Digestive System
In the digestive system, the pH of the stomach and the intestine, respectively are:
MEDIUM
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.
EASY
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?
EASY
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.
MEDIUM
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?