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Digestion and Absorption — NEET UG Zoology PYQs

211 previous year questions from Digestion and Absorption with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

211 questionsZoologySolutions on every page
1

Select the correct sequential steps regarding absorption of fatty acids and glycerol, in intestine. (A) Micelles are reformed into small protein coated fat globules called chylomic

NEET 2023 Solution View → 2

Match List I with List II . List I (Cells) List II (Secretion) A. Peptic cells I. Mucus B. Goblet cells II. Bile juice C. Oxyntic cells III. Proenzyme pepsinogen D. Hepatic cells I

NEET 2023 Solution View → 3

Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by-

NEET 2023 Solution View → 4

Choose the incorrect enzymatic reaction :

NEET 2022 Solution View → 5

Match List-I with List-II regarding the organs of Cockroach: Choose the correct answer from the options given below:

NEET 2022 Solution View → 6

Role of enamel is to :

NEET 2022 Solution View → 7

A unique vascular connection between the digestive tract and liver is called

NEET 2022 Solution View → 8

Which of the following functions is not performed by secretions from salivary glands?

NEET 2022 Solution View → 9

Given below are two statements : Statement I : Fatty acids and glycerols cannot be absorbed into the blood. Statement II : Specialized lymphatic capillaries called lacteals carry c

NEET 2022 Solution View → 10

Succus entericus is referred to as:

NEET 2021 Solution View → 11

Sphincter of Oddi is present at:

NEET 2021 Solution View → 12

Identify the correct statement with reference to human digestive system.

NEET 2020 Solution View → 13

The proteolytic enzyme rennin is found in:

NEET 2020 Solution View → 14

The enzyme enterokinase helps in conversion of

NEET 2020 Solution View → 15

Intrinsic factor that helps in the absorption of vitamin B 12 is secreted by:

NEET 2020 Solution View → 16

Assertion : Cholecystokinin pancreozymin is released by small intestine. Reason : Cholecystokinin pancreozymin activates pepsinogen and stimulates gall bladder to release bile juic

AIIMS 2019 Solution View → 17

Pancreatic juice/enzyme digests

AIIMS 2019 Solution View → 18

Which vitamin is associated with the maintenance of bone density?

AIIMS 2019 Solution View → 19

Assertion : Gastrin is required for the process of digestion in humans. Reason : Gastrin induces HCl production and pepsinogen.

AIIMS 2019 Solution View → 20

Assertion : Gastrectomy can lead to iron deficiency or anaemia. Reason : HCl of gastric juice converts dietary iron to a form that is readily absorbable.

AIIMS 2019 Solution View → 21

In gluconeogenesis, which of the following cannot act as substrate?

JIPMER 2019 Solution View → 22

Length of oesophagus is

JIPMER 2019 Solution View → 23

Match the items given in Column I with those in Column II and choose the correct option.

NEET 2019 Solution View → 24

Kwashiorkor disease is due to

NEET 2019 Solution View → 25

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

NEET 2019 Solution View → 26

Match the following structures with their respective location in organs: Column – I Column – II ( a ) Crypts of Lieberkuhn ( i ) Pancreas ( b ) Glisson’s capsule

NEET 2019 Solution View → 27

Assertion : Cholecystokinin pancreozymin is released by small intestine. Reason : Cholecystokinin pancreozymin activates pepsinogen and stimulates gall bladder to release bile juic

NEET 2019 Solution View → 28

Assertion : Gastrectomy can lead to iron deficiency or anaemia. Reason : HCl of gastric juice converts dietary iron to a form that is readily absorbable.

NEET 2019 Solution View → 29

Assertion : Gastrin is required for the process of digestion in humans. Reason : Gastrin induces HCl production and pepsinogen.

NEET 2019 Solution View → 30

Which vitamin is associated with the maintenance of bone density?

NEET 2019 Solution View → 31

Pancreatic juice/enzyme digests

NEET 2019 Solution View → 32

Length of oesophagus is

NEET 2019 Solution View → 33

In gluconeogenesis, which of the following cannot act as substrate?

NEET 2019 Solution View → 34

Assertion : Balantidium coli lives in intestine of human beings. Reason : Balantidium is harmless to human beings.

AIIMS 2018 Solution View → 35

A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out is quite yellowish. The yellow colour of stool is due to

AIIMS 2018 Solution View → 36

The vitamin nicotinamide can be synthesised in our body from

AIIMS 2018 Solution View → 37

All the digestive enzymes like carbohydrase, protease, lipase, DNase, RNase are found in

AIIMS 2018 Solution View → 38

Assertion : Auerbach's plexus controls the secretion of intestinal juice. Reason : Meissner's plexus controls the peristalsis in alimentary canal.

AIIMS 2018 Solution View → 39

Where is sacculus rotandus located?

JIPMER 2018 Solution View → 40

Peyer's patches are present in

JIPMER 2018 Solution View → 41

What is the function of Kupffer's cells?

JIPMER 2018 Solution View → 42

Daily requirement of vitamin-A for adult women is

JIPMER 2018 Solution View → 43

Brunner's gland is located in

JIPMER 2018 Solution View → 44

Which of the following gastric cells indirectly help in erythropoiesis?

NEET 2018 Solution View → 45

Which of the following terms describe human dentition?

NEET 2018 Solution View → 46

All the digestive enzymes like carbohydrase, protease, lipase, DNase, RNase are found in

NEET 2018 Solution View → 47

Assertion : Balantidium coli lives in intestine of human beings. Reason : Balantidium is harmless to human beings.

NEET 2018 Solution View → 48

Assertion : Auerbach's plexus controls the secretion of intestinal juice. Reason : Meissner's plexus controls the peristalsis in alimentary canal.

NEET 2018 Solution View → 49

The vitamin nicotinamide can be synthesised in our body from

NEET 2018 Solution View → 50

A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out is quite yellowish. The yellow colour of stool is due to

NEET 2018 Solution View → 51

What is the function of Kupffer's cells?

NEET 2018 Solution View → 52

Peyer's patches are present in

NEET 2018 Solution View → 53

Daily requirement of vitamin-A for adult women is

NEET 2018 Solution View → 54

Brunner's gland is located in

NEET 2018 Solution View → 55

Where is sacculus rotandus located?

NEET 2018 Solution View → 56

Wharton's duct is the duct of

AIIMS 2017 Solution View → 57

Which one of the following pairs is not correctly matched?

JIPMER 2017 Solution View → 58

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

NEET 2017 Solution View → 59

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

NEET 2017 Solution View → 60

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?

NEET 2017 Solution View → 61

Wharton's duct is the duct of

NEET 2017 Solution View → 62

Which one of the following pairs is not correctly matched?

NEET 2017 Solution View → 63

Pyloric sphincter guards the opening between

JIPMER 2016 Solution View → 64

Due to alcohol abuse brain related disease Korsakoff's syndrome occurs. Which nutrient is responsible for this syndrome?

JIPMER 2016 Solution View → 65

Which hormones do stimulate the production of pancreatic juice and bicarbonate?

NEET 2016 Solution View → 66

In the stomach, gastric acid is secreted by the

NEET 2016 Solution View → 67

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

NEET 2016 Solution View → 68

Due to alcohol abuse brain related disease Korsakoff's syndrome occurs. Which nutrient is responsible for this syndrome?

NEET 2016 Solution View → 69

Pyloric sphincter guards the opening between

NEET 2016 Solution View → 70

Vitamin- B ₁₂ is absorbed primarily in the

JIPMER 2015 Solution View → 71

The primary dentition in human differs from permanent dentition in not having one of the following types of teeth:

NEET 2015 Solution View → 72

Which of the following statements is not correct?

NEET 2015 Solution View → 73

The enzyme that is not present in succus entericus is:

NEET 2015 Solution View → 74

Gastric juice of infants contains:

NEET 2015 Solution View → 75

Vitamin- B ₁₂ is absorbed primarily in the

NEET 2015 Solution View → 76

Assertion : HCl converts pepsinogen into active enzyme pepsin. Reason: Pepsin converts protein into proteoses and peptones.

AIIMS 2014 Solution View → 77

Which one of the following vitamins is anti-haemorrhagic?

AIIMS 2014 Solution View → 78

Which of the following hormone secretes a gastric secretion?

JIPMER 2014 Solution View → 79

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

NEET 2014 Solution View → 80

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

NEET 2014 Solution View → 81

Assertion : HCl converts pepsinogen into active enzyme pepsin. Reason: Pepsin converts protein into proteoses and peptones.

NEET 2014 Solution View → 82

Which one of the following vitamins is anti-haemorrhagic?

NEET 2014 Solution View → 83

Which of the following hormone secretes a gastric secretion?

NEET 2014 Solution View → 84

Assertion : Small intestine is the principal organ for absorption of nutrients. Reason : Absorption of water, simple sugars and alcohol etc. takes place in small intestine.

AIIMS 2013 Solution View → 85

Which of the following gastric secretions is correctly matched with its source?

AIIMS 2013 Solution View → 86

Assertion : Duodenum is the main organ of small intestine. Reason : In duodenum, digestion and absorption mainly occurs.

AIIMS 2013 Solution View → 87

Pellagra is caused by deficiency of vitamins

JIPMER 2013 Solution View → 88

Space in the jaw bone unoccupied by teeth is called

JIPMER 2013 Solution View → 89

Identify the correct set, which shows the name of the enzyme from where it is secreted and substrate upon which it acts.

JIPMER 2013 Solution View → 90

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

NEET 2013 Solution View → 91

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?

NEET 2013 Solution View → 92

Which of the following gastric secretions is correctly matched with its source?

NEET 2013 Solution View → 93

Assertion : Small intestine is the principal organ for absorption of nutrients. Reason : Absorption of water, simple sugars and alcohol etc. takes place in small intestine.

NEET 2013 Solution View → 94

Assertion : Duodenum is the main organ of small intestine. Reason : In duodenum, digestion and absorption mainly occurs.

NEET 2013 Solution View → 95

Pellagra is caused by deficiency of vitamins

NEET 2013 Solution View → 96

Space in the jaw bone unoccupied by teeth is called

NEET 2013 Solution View → 97

Identify the correct set, which shows the name of the enzyme from where it is secreted and substrate upon which it acts.

NEET 2013 Solution View → 98

Assertion : Emulsification is necessary for the digestion of fats. Reason : After fats are emulsified, the action of enzyme amylase gets signi-ficantly increased.

AIIMS 2012 Solution View → 99

Assertion : In jaundice, the skin and mucous membranes assume a yellowish hue. Reason : Yellow pigment bilirubin imparts pale yellow colour to blood plasma.

AIIMS 2012 Solution View → 100

Assertion : No taste sensation is evoked when drop of distilled water is put on human tongue. Reason : Man does not possess taste buds for tasting water.

AIIMS 2012 Solution View → 101

Oxyntic cells secrete

JIPMER 2012 Solution View → 102

Deficiency of vitamin- B ₁₂ causes

JIPMER 2012 Solution View → 103

Where do certain symbiotic microorganisms normally occur in human body?

NEET 2012 Solution View → 104

Assertion : Emulsification is necessary for the digestion of fats. Reason : After fats are emulsified, the action of enzyme amylase gets signi-ficantly increased.

NEET 2012 Solution View → 105

Assertion : In jaundice, the skin and mucous membranes assume a yellowish hue. Reason : Yellow pigment bilirubin imparts pale yellow colour to blood plasma.

NEET 2012 Solution View → 106

Assertion : No taste sensation is evoked when drop of distilled water is put on human tongue. Reason : Man does not possess taste buds for tasting water.

NEET 2012 Solution View → 107

Oxyntic cells secrete

NEET 2012 Solution View → 108

Deficiency of vitamin- B ₁₂ causes

NEET 2012 Solution View → 109

The layer of cells that secrete enamel of tooth is

JIPMER 2011 Solution View → 110

The contraction of gall bladder is due to

JIPMER 2011 Solution View → 111

Which of the following is mismatched?

JIPMER 2011 Solution View → 112

Which one of the following correctly represents the normal adult human dental formula?

NEET 2011 Solution View → 113

One of the constituents of the pancreatic juice while poured into the duodenum in humans, is

NEET 2011 Solution View → 114

The layer of cells that secrete enamel of tooth is

NEET 2011 Solution View → 115

The contraction of gall bladder is due to

NEET 2011 Solution View → 116

Which of the following is mismatched?

NEET 2011 Solution View → 117

Which of the following is correct?

AIIMS 2010 Solution View → 118

Vitamin B₆ is also called

AIIMS 2010 Solution View → 119

Assertion : Bile is essential for the digestion of lipids. Reason : Bile juice contains enzymes bilirubin and biliverdin.

AIIMS 2010 Solution View → 120

Assertion : Pantothenic acid deficiency is probably the most common vitamin deficiency. Reason : Macrocytic anaemia is a characteristic feature of pantothenic acid deficiency.

AIIMS 2010 Solution View →
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