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Digestion and Absorption (Class - XI)

Digestion and Absorption

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Of the 32 permanent teeth in an adult human mouth, which of the following types of teeth are 12 in number?

  1. Incisors
  2. Canines
  3. Premolars
  4. Molars
  5. None of the above
Question 2 Multiple Choice (Single Answer)

Pharynx is a part of the alimentary canal that serves as a passage for food and air. Which of the following open into the pharynx?

a. Oesophagus
b. Trachea
c. Jejunum
d. Caecum

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only b and c
  5. Only b and d
Question 3 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Cardiac portion, fundic portion and pyloric portion are the three major parts of a human stomach.
b. Oesophagus is a tube that extends posteriorly, passing through the neck, thorax and diaphragm.
c. Vermiform appendix is a narrow, finger-like tubular projection that arises from the colon.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only c
  5. Only b and c
Question 4 Multiple Choice (Single Answer)

The innermost layer lining the lumen is the mucosa. Which of the following statements regarding mucosa is/are false?

a. Mucosa layer forms irregular folds in the stomach.
b. Mucosa layer forms finger-like foldings in the large intestine.
c. Mucosa layer forms gastric glands in the stomach.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 5 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The ileo-caecal valve prevents the back flow of the faecal matter.
b. Fructose, fatty acids, glycerol and amino acids are absorbed through the mucosa into the blood stream.
c. The digestive enzyme lysozyme digests the starch and converts it into maltose.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 6 Multiple Choice (Single Answer)

Which of the following digestive glands is/are not associated with the alimentary canal?

a. Salivary glands
b. Gastric glands
c. Liver
d. Pancreas

  1. Only a and b
  2. Only b
  3. Only a and c
  4. Only a and d
  5. Only c and d
Question 7 Multiple Choice (Single Answer)

Match the following:

 
a. Serosa layer 1. It is made of loose connective tissues containing nerves, blood and lymph vessels.
b. Muscularis layer 2. It is made up of a thin mesothelium with some connective tissues.
c. Sub-mucosal layer 3. It is made by smooth muscles usually arranged into an inner circular and an outer longitudinal layer.
  1. a - 2, b - 3, c - 1
  2. a - 2, b - 1, c - 3
  3. a - 3, b - 2, c - 1
  4. a - 1, b - 2, c - 3
  5. a - 1, b - 3, c - 2
Question 8 Multiple Choice (Single Answer)

Which of the following cells in gastric glands are responsible for secreting hydrochloric acid?

a. Parietal cells
b. Mucus neck cells
c. Peptic cells

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 9 Multiple Choice (Single Answer)

Pancreatic juice contains inactive enzymes. Which of the following is the enzyme that is not present in pancreatic juice?

  1. Amylase
  2. Lipase
  3. Nuclease
  4. Trypsinogen
  5. Pepsin
Question 10 Multiple Choice (Single Answer)

Which of the following is/are secreted by the endocrine portion of the pancreas?

a. Digestive enzymes
b. Insulin
c. Glucagon

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 11 Multiple Choice (Single Answer)

Which of the following conditions causes abnormal frequency of bowel movement and increased liquidity of the faecal discharge?

  1. Jaundice
  2. Diarrhoea
  3. Constipation
  4. Vomiting
  5. Indigestion
Question 12 Multiple Choice (Single Answer)

Which of the following guards the opening of the stomach into the duodenum?

  1. Caecum
  2. Jejunum
  3. Ileum
  4. Pyloric sphincter
  5. Duodenum
Question 13 Multiple Choice (Single Answer)

In human mouth, the upper surface of the tongue has small projections. What are these projections called?

  1. Frenula
  2. Papillae
  3. Pharynx
  4. Epiglottis
  5. Gastro-oesophageal sphincters
Question 14 Multiple Choice (Single Answer)

Which of the following ducts form the common bile duct?

a. Hepatic duct
b. Pancreatic duct
c. Cystic duct
d. Hepato-pancreatic duct

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only b and c
  5. Only b and d
Question 15 Multiple Choice (Single Answer)

Match the following
Name of salivary glands Location
a. The parotid glands 1. They are located in the lower jaw.
b. The sub-maxillary glands 2. They are located below the tongue.
c. The sub-lingual glands 3. They are located in the cheek.
  1. a - 1, b - 3, c - 2
  2. a - 3, b - 2, c - 1
  3. a - 3, b - 1, c - 2
  4. a - 2, b - 1, c - 3
  5. a - 1, b - 2, c - 3
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