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Zoology class 11 NEET > CH DIGESTION AND ABSORPTION > Flashcards

CH DIGESTION AND ABSORPTION Flashcards

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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
The kcal/g for fats is ____ &____ for Physiological and gross calorie
9 and 9.45
26
Which enzyme is k/a autocatalyst
Trypsin
27
Trypsinogen is activated by
Enterokinase
28
The duct of Parotid Gland
Stenson's duct
29
The duct of sub maxillary gland is
Wharton's duct
30
Sub maxillary gland is also k/a
Sub mandibular gland
31
The duct of Sublingual gland is
Duct of Rivinus
32
A condition where there is failure in the production of saliva is k/a
Aptyalism
33
Salivary amylase also k/a
Ptyalin
34
70% of saliva is produced by
Sub maxillary or sub mandibular gland
35
The ____ layer contains all gland except ____ which is present in the _____
Mucosa Brunner's gland which secretes alkaline mucus It is present in submucosa
36
The parts of small intestine are
Duodenum Jejunum Ileum
37
The sphincter present b/w the esophagus and stomach is
gastro-esophageal sphincter or the cardiac sphincter
38
the sphincter present b/w stomach and small intestine is
Pyloric Sphincter
39
The uppermost part of the stomach is
Fundus
40
The largest gland of the body is and it weighs
Liver 1.2 to 1.5 kg
41
The liver is separated into two lobes via the ________
Falciform Ligament
42
what is the structural and functional unit of Liver
Hepatic Lobule
43
The roof of the buccal cavity is k/a
Palate
44
The duct of the gall bladder is
Cystic Duct
45
Milk Protein is k/a
Casein
46
The opening of the common hepato-pancreatic duct into the duodenum is guarded by which sphincter
Sphincter of Oddi
47
Which duct of pancreas is functional and combines with bile duct to from hepatopancreatic duct
Duct of Wirsung
48
The first hormone discovered by scientist was
Secretin
49
Disorder where there is increase in bile pigments in the blood causing yellowness in skin and eyes is
Jaundice
50
What is/ are the substances absorbed in the stomach?
Water, Simple Sugars, Alcohol
51
Which is the disease caused by deficiency of both proteins and calories
Marasmus
52
Disease caused by deficiency of protein unaccompanied by calorie deficiency is
Kwashiorkor
53
The outer muscle layer in the walls of the alimentary canal is
Longitudinal
54
The inner layer of muscle in the walls of the alimentary canal is
Circular
55
The tooth is _______ in origin
ectomesodermal
56
The most abundant papillae are
Filiform
57
The papillae containing taste buds are
Circumvallate and Fungiform
58
The papillae which is absent in humans is
Foliate
59
The hardest substance in the body is ____ and it is secreted by_________
Enamel Ameloblast cell
60
Where is Plexus of Auerbach found? It is also k/a
It is found b/w the inner circular and outer longitudinal Muscle layer. It is also k/a as Myenteric Plexus
61
Where is Meissner plexus found? It is also k/a
It is found b/w the muscular coat and the mucosa. It is also k/a Submucosal Plexus
62
_____ can lead to iron deficiency anaemia
Non secretion of HCl (achlorhydria) or gastrectomy
63
what is responsible for absorption pf Vitamin B12? Where is it absorbed?
Castle's Intrinsic Factor Majorly it is absorbed in the Ileum
64
The tongue is attached to the floor of the mouth by a fold called as
frenulum
65
Which is the longest portion of the small intestine
Ileum
66
The C shaped portion of the small intestine is
Duodenum
67
The intestinal glands are also k/a
Crypts of Lieberkuhn
68
Which cells of Intestinal gland secrete digestive enzymes
Paneth Cells
69
Which cells of the intestinal gland secrete hormone
Argentaffin cell
70
What are Peyer’s patches
Diffused patches of lymphoid tissue are present all throughout the small intestine and are aggregated in ileum to form Peyer’s patches
71
____ is the smallest part of Colon
Ascending colon
72
The serosa layer in the esophagus is k/a
Tunica Adventitia
73
The lymph vessel in the small intestine is k/a
Lacteals
74
Which plexus is responsible for peristalsis movement
Myenteric plexus
75
Which plexus is responsible for secretion of different digestive glands
Meissner plexus
76
Salivary Gland are stimulated to secrete saliva by ____ while ____ nerves reduce its secretion
1.Parasympathetic 2. Sympathetic
77
Hepatic lobule have a thin sheath of connective tissue k/a
Glisson’s Capsule
78
The capacity of gall bladder to store bile is
30- 50 ml
79
What is the pH in the mouth
6.8
80
The mass of food pushed down the mouth is k/a
Bolus
81
The muscular contraction that occurs all throughout the alimentary canal is k/a
Peristalsis
82
The digested food in the stomach is k/a
Chyme

Zoology class 11 NEET (14 decks)

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