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Zoology class 11 NEET > CH DIGESTION AND ABSORPTION > Flashcards

CH DIGESTION AND ABSORPTION Flashcards

1
Q

All digestive enzymes are

A

Hydrolytic Enzymes i.e. hydrolases

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2
Q

The oral or buccal cavity is lined by

A

Non Keratinized Stratified squamous epithelium

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3
Q

The folds present on the hard palate are k/a———-, they help in ———

A
  1. Palatine Rugae
  2. Providing grip to hold the food
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4
Q

_____ is an extension of the soft palate, its function is_____

A
  1. Uvula
  2. to block the nasopharynx while swallowing of food
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5
Q

The teeth originates from which germ layer

A

It is ecto mesodermal in origin

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6
Q

The tongue is also k/a

A

Lingua

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7
Q

Opening of the food pipe is k/a

A

Gullet

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8
Q

Opening of the wind pipe is k/a

A

Glottis

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9
Q

what shape is of the stomach

A

It is a J shaped organ

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10
Q

what are the different parts of the stomach

A
  1. Fundus
  2. Cardiac
  3. Body
  4. Pyloric
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11
Q

The sphincter present between esophagus and the stomach is k/a

A

Gastro-oesophageal sphincter or cardiac sphincter

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12
Q

What helps in absorption of B12

A

Castles Intrinsic Factor

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13
Q

The main pancreatic duct is also k/a

A

Duct of Wirsung

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14
Q

The order of the layers in the alimentary canal from out to in

A
  1. Serosa
  2. Muscularis Externa
  3. Sub Mucosa
  4. Mucosa
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15
Q

How many Salivary Glands are present

A

3 pairs i.e. is 6 salivary Glands are present

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16
Q

The completely digested food is k/a

A

Chyle

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17
Q

Yellow color to the faecal matter is given by

A

STERCOBILIN, which is formed mainly from Bilirubin

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18
Q

the foul smell of faeces is due to

A

skatole, a derivative of tryptophan

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19
Q

in the exocrine secretion of the pancreas, there is presence of which cell

A

Acinar Cells

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20
Q

What is plexus?

A

The nerve fiber network present in the alimentary canal

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21
Q

The vomiting centre in the brain is

A

Medulla oblongata

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22
Q

The device which is used to measure calorie is k/a as

A

Bomb calorie meter

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23
Q

The kcal/g for carbs is ____ &____ for Physiological and gross calorie

A

4 and 4.1

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24
Q

The kcal/g for protein is ____ &____ for Physiological and gross calorie

A

4 and 5.65

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25
Q

The kcal/g for fats is ____ &____ for Physiological and gross calorie

A

9 and 9.45

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26
Q

Which enzyme is k/a autocatalyst

A

Trypsin

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27
Q

Trypsinogen is activated by

A

Enterokinase

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28
Q

The duct of Parotid Gland

A

Stenson’s duct

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29
Q

The duct of sub maxillary gland is

A

Wharton’s duct

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30
Q

Sub maxillary gland is also k/a

A

Sub mandibular gland

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31
Q

The duct of Sublingual gland is

A

Duct of Rivinus

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32
Q

A condition where there is failure in the production of saliva is k/a

A

Aptyalism

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33
Q

Salivary amylase also k/a

A

Ptyalin

34
Q

70% of saliva is produced by

A

Sub maxillary or sub mandibular gland

35
Q

The ____ layer contains all gland except ____ which is present in the _____

A

Mucosa
Brunner’s gland which secretes alkaline mucus
It is present in submucosa

36
Q

The parts of small intestine are

A

Duodenum
Jejunum
Ileum

37
Q

The sphincter present b/w the esophagus and stomach is

A

gastro-esophageal sphincter or the cardiac sphincter

38
Q

the sphincter present b/w stomach and small intestine is

A

Pyloric Sphincter

39
Q

The uppermost part of the stomach is

A

Fundus

40
Q

The largest gland of the body is and it weighs

A

Liver
1.2 to 1.5 kg

41
Q

The liver is separated into two lobes via the ________

A

Falciform Ligament

42
Q

what is the structural and functional unit of Liver

A

Hepatic Lobule

43
Q

The roof of the buccal cavity is k/a

A

Palate

44
Q

The duct of the gall bladder is

A

Cystic Duct

45
Q

Milk Protein is k/a

A

Casein

46
Q

The opening of the common hepato-pancreatic duct into the duodenum is guarded by which sphincter

A

Sphincter of Oddi

47
Q

Which duct of pancreas is functional and combines with bile duct to from hepatopancreatic duct

A

Duct of Wirsung

48
Q

The first hormone discovered by scientist was

A

Secretin

49
Q

Disorder where there is increase in bile pigments in the blood causing yellowness in skin and eyes is

A

Jaundice

50
Q

What is/ are the substances absorbed in the stomach?

A

Water, Simple Sugars, Alcohol

51
Q

Which is the disease caused by deficiency of both proteins and calories

A

Marasmus

52
Q

Disease caused by deficiency of protein unaccompanied by calorie deficiency is

A

Kwashiorkor

53
Q

The outer muscle layer in the walls of the alimentary canal is

A

Longitudinal

54
Q

The inner layer of muscle in the walls of the alimentary canal is

A

Circular

55
Q

The tooth is _______ in origin

A

ectomesodermal

56
Q

The most abundant papillae are

A

Filiform

57
Q

The papillae containing taste buds are

A

Circumvallate and Fungiform

58
Q

The papillae which is absent in humans is

A

Foliate

59
Q

The hardest substance in the body is ____ and it is secreted by_________

A

Enamel
Ameloblast cell

60
Q

Where is Plexus of Auerbach found? It is also k/a

A

It is found b/w the inner circular and outer longitudinal Muscle layer.
It is also k/a as Myenteric Plexus

61
Q

Where is Meissner plexus found? It is also k/a

A

It is found b/w the muscular coat and the mucosa.
It is also k/a Submucosal Plexus

62
Q

_____ can lead to iron deficiency anaemia

A

Non secretion of HCl (achlorhydria) or gastrectomy

63
Q

what is responsible for absorption pf Vitamin B12? Where is it absorbed?

A

Castle’s Intrinsic Factor
Majorly it is absorbed in the Ileum

64
Q

The tongue is attached to the floor of the mouth by a fold called as

A

frenulum

65
Q

Which is the longest portion of the small intestine

A

Ileum

66
Q

The C shaped portion of the small intestine is

A

Duodenum

67
Q

The intestinal glands are also k/a

A

Crypts of Lieberkuhn

68
Q

Which cells of Intestinal gland secrete digestive enzymes

A

Paneth Cells

69
Q

Which cells of the intestinal gland secrete hormone

A

Argentaffin cell

70
Q

What are Peyer’s patches

A

Diffused patches of lymphoid tissue are present all throughout the small intestine and are aggregated in ileum to form Peyer’s patches

71
Q

____ is the smallest part of Colon

A

Ascending colon

72
Q

The serosa layer in the esophagus is k/a

A

Tunica Adventitia

73
Q

The lymph vessel in the small intestine is k/a

A

Lacteals

74
Q

Which plexus is responsible for peristalsis movement

A

Myenteric plexus

75
Q

Which plexus is responsible for secretion of different digestive glands

A

Meissner plexus

76
Q

Salivary Gland are stimulated to secrete saliva by ____ while ____ nerves reduce its secretion

A

1.Parasympathetic
2. Sympathetic

77
Q

Hepatic lobule have a thin sheath of connective tissue k/a

A

Glisson’s Capsule

78
Q

The capacity of gall bladder to store bile is

A

30- 50 ml

79
Q

What is the pH in the mouth

A

6.8

80
Q

The mass of food pushed down the mouth is k/a

A

Bolus

81
Q

The muscular contraction that occurs all throughout the alimentary canal is k/a

A

Peristalsis

82
Q

The digested food in the stomach is k/a

A

Chyme

Zoology class 11 NEET (13 decks)

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