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Digestion and Absorption · Question 18

NEET 2016 (Phase 1)MCQEasy📈 Topic in 12% papers+4−1
1

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

Answer

(2) Sphincter of Oddi

Solution

As per NCERT, the bile duct and the pancreatic duct open together into the duodenum as the common hepato-pancreatic duct, which is guarded by a sphincter called the sphincter of Oddi.

Pyloric sphincter guards the opening of the stomach into the duodenum, and ileocaecal valve guards the opening of the ileum into the caecum.

Answer: (2)

Out of syllabusNEET 2016 (Phase 1)

Keep practising — Digestion and Absorption

2

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)
3

The enzyme that is not present in succus entericus is

  1. nucleosidase
  2. lipase
  3. maltase
  4. nuclease.
Out of syllabusAIPMT 2015
4

The primary dentition in human differs from permanent dentition in not having one of the following type of teeth.

  1. Molars
  2. Incisors
  3. Canines
  4. Premolars
Out of syllabusAIPMT 2015
5

Gastric juice of infants contains

  1. pepsinogen, lipase, rennin
  2. amylase, rennin, pepsinogen
  3. maltase, pepsinogen, rennin
  4. nuclease, pepsinogen
Out of syllabusAIPMT 2015 (Cancelled)
6

Which of the following statements is not correct?

  1. Oxyntic cells are present in the mucosa of stomach and secrete HCl.
  2. Acini are present in the pancreas and secrete carboxypeptidase.
  3. Brunner's glands are present in the submucosa of stomach and secrete pepsinogen.
  4. Goblet cells are present in the mucosa of intestine and secrete mucus.
Out of syllabusAIPMT 2015 (Cancelled)
7

The initial step in the digestion of milk in humans is carried out by

  1. lipase
  2. trypsin
  3. rennin
  4. pepsin.
Out of syllabusAIPMT 2014
8

Fructose is absorbed into the blood through mucosa cells of intestine by the process called

  1. active transport
  2. facilitated transport
  3. simple diffusion
  4. co-transport mechanism.
Out of syllabusAIPMT 2014
9

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II.

  1. array|l|l| Column I & Column II \ Glycerol, fatty acids & Duodenum, move as chylomicrons \ array
  2. array|l|l| Column I & Column II \ Cholesterol, maltose & Large intestine, active absorption \ array
  3. array|l|l| Column I & Column II \ Glycine, glucose & Small intestine, active absorption \ array
  4. array|l|l| Column I & Column II \ Fructose, Na+ & Small intestine, passive absorption \ array
Out of syllabusNEET 2013
10

A healthy person eats the following diet – 5 g raw sugar, 4 g albumin, 10 g pure buffalo ghee adulterated with 2 g vegetable ghee (hydrogenated vegetable oil) and 5 g lignin. How many calories he is likely to get?

  1. 126
  2. 164
  3. 112
  4. 144
Out of syllabusNEET 2013 (Karnataka)
11

Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal?

  1. Pancreatic amylase Salivary amylase Lipases
  2. Disaccharidase like maltase Lipases Nucleases
  3. Salivary amylase Pancreatic amylase Disaccharidases
  4. Salivary maltase Carboxy peptidase Trypsinogen
Out of syllabusNEET 2013 (Karnataka)

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