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Digestion and Absorption · Question 9

NEET (UG) 2020MCQEasy📈 Topic in 25% papers+4−1
1

Identify the correct statement with reference to human digestive system.

  1. Ileum opens into small intestine
  2. Vermiform appendix arises from duodenum
  3. Serosa is the innermost layer of the alimentary canal
  4. Ileum is a highly coiled part

Answer

(4) Ileum is a highly coiled part

Solution

(1) Ileum is the last part of the small intestine; it opens into the large intestine (caecum), not into the small intestine ⇒ incorrect.

(2) Vermiform appendix arises from the caecum, not from the duodenum ⇒ incorrect.

(3) Serosa is the outermost layer of the alimentary canal; mucosa is the innermost layer ⇒ incorrect.

(4) As per NCERT, the small intestine has three regions: a C-shaped duodenum, a long coiled middle portion jejunum and a highly coiled ileum ⇒ correct.

Answer: (4)

Out of syllabusNEET (UG) 2020

Keep practising — Digestion and Absorption

2

The enzyme enterokinase helps in conversion of

  1. pepsinogen into pepsin
  2. protein into polypeptides
  3. trypsinogen into trypsin
  4. caseinogen into casein
Out of syllabusNEET (UG) 2020
3

Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.

  1. Oxyntic Cells
  2. Duodenal Cells
  3. Chief Cells
  4. Goblet Cells
Out of syllabusNEET (UG) 2019
4

Match the following structures with their respective location in organs : Select the correct option

  1. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  2. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
  3. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
  4. (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
Out of syllabusNEET (UG) 2019
5

Which of the following terms describe human dentition?

  1. Pleurodont, Monophyodont, Homodont
  2. Thecodont, Diphyodont, Homodont
  3. Pleurodont, Diphyodont, Heterodont
  4. Thecodont, Diphyodont, Heterodont
Out of syllabusNEET 2018
6

Which of the following gastric cells indirectly help in erythropoiesis?

  1. Mucous cells
  2. Parietal cells
  3. Chief cells
  4. Goblet cells
Out of syllabusNEET 2018
7

Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

  1. Paneth cells
  2. Zymogen cells
  3. Kupffer cells
  4. Argentaffin cells
Out of syllabusNEET 2017
8

Which of the following options best represents the enzyme composition of pancreatic juice?

  1. Amylase, Pepsin, Trypsinogen, Maltase
  2. Peptidase, Amylase, Pepsin, Rennin
  3. Lipase, Amylase, Trypsinogen, Procarboxypeptidase
  4. Amylase, Peptidase, Trypsinogen, Rennin
Out of syllabusNEET 2017
9

A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

  1. Canines
  2. Pre-molars
  3. Molars
  4. Incisors
Out of syllabusNEET 2017
10

Which of the following guards the opening of hepatopancreatic duct into the duodenum?

  1. Pyloric sphincter
  2. Sphincter of Oddi
  3. Semilunar valve
  4. Ileocaecal valve
Out of syllabusNEET 2016 (Phase 1)
11

In the stomach, gastric acid is secreted by the

  1. peptic cells
  2. acidic cells
  3. gastrin secreting cells
  4. parietal cells.
Out of syllabusNEET 2016 (Phase 1)

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