Layers of Esophagus

Q. Physical barrier : Mucus coating :: Physiological barrier : ________

1. Interferon
2. Monocytes
3. Lysozyme
4. Neutrophils

Q. If all the plants are to die, all the animals will also die due to deficiency of

1. 
   Oxygen
2. 
   Carbon dioxide
3. 
   Food
4. 
   Timber

Q. Non-ciliated simple columnar epithelium of stomach lining has _______, which increase the surface area for secretion and absorption.

1. flagella
2. microvilli
3. collagen fibres
4. actin filaments

Q. The plexus that mainly controls the gastrointestinal movements is:

1. Meissner’s plexus
2. Auerbach’s plexus
3. Submucosal plexus
4. None of the above

Q.

Amino acids produced by digestion of proteins are absorbed from intestine through

1. Lacteals
2. Rectum
3. Blood capillaries in the villi
4. lacteals and blood capillaries in the villi

Q.

Meaning of gullet

Q. Plexus of Meissner is

1. a network of neurons
2. present in muscularis
3. responsible for the digestion of proteins
4. an enzyme

Q. Animal starch (glycogen) in human body is stored in

1. Liver and muscles
2. Liver and spleen
3. Spleen and gall bladder
4. Spleen and muscles.

Q.

In Amoeba the excretion is done by

1. Diffusion

2. Osmosis

3. Filteration

4. All of these

Q. Where can we find Brunner’s glands in the alimentary canal and also match it with its characteristic feature?

1. Serosa → outermost layer of alimentary canal made up of a thin mesothelium with some connective tissue
2. Muscularis → it is formed by smooth muscles usually arranged into an inner longitudinal and outer circular layer
3. Submucosal layer of duodenum → formed of loose connective tissue, containing nerves, blood and lymph vessel
4. Mucosal layer → It forms rugae in stomach and villi in the small intestine

Q.

What nerves control peristalsis?

Q. The lumen of the digestive tract is lined with $\underset{–}{}$

1. serosa
2. sub mucosa
3. muscularis
4. mucosa

Q.

The epithelial tissue present in the intestine that increases surface area is ________.

Q.

What is the integumentary system involved in?

Q.

Rearrange the layers of the Esophagus in order, oriented from the outer layer to the inner layer: Mucosa ;Serosa ; Muscularis ; Submucosa

1. Serosa ➔Muscularis ➔ Submucosa ➔ Mucosa

2. Mucosa ➔ Serosa ➔ Muscularis ➔ Submucosa

3. Muscularis➔ Submucosa ➔ Mucosa ➔ Serosa

4. Submucosa ➔ Mucosa ➔ Serosa ➔ Muscularis

Q. Goblet cells are

1. Unicellular mucous gland
2. Multicellular mucous gland of stomach
3. Tubular alveolar gland
4. All of the above

Q. Circular muscle in the muscularis layer of the oesophagus

1. decreases the length of the tract.
2. increases the calibre of the tract.
3. decreases the calibre of the tract.
4. prevents the backflow of food.

Q. What are the basic layers of the wall of alimentary canal?

Q. The pylorus is the constricted part of the alimentary canal which is situated between

1. Stomach and duodenum
2. Duodenum and Ileum
3. Ileum and rectum
4. Oesophagus and stomach

Q.

Identify the following parts labeled 1, 2, 3 and 4.

1. 1. Muscularis 2. Submucosa 3. Mucosa 4. Serosa

2. 1. Serosa 2. Muscularis 3. Submucosa 4. Mucosa

3. 1. Mucosa 2. Serosa 3. Muscularis 4. Submucosa

4. 1. Submucosa 2. Mucosa 3. Serosa 4. Muscularis

Q.

lleum is characterized by

1. Brunners glands and leaf-like villi

2. Brunners glands and club-shaped villi

3. Peyers patches and Brunners glands

4. Club-shaped villi and Peyers patches

Q. Read the following statement with two blanks I and II. Select the correct option given.

Skin is acting as ________I__________ because of the presence of ________II_________.

1. I - physical barrier, II - epidermis
2. I - physical barrier, II - oils
3. I - physiological barrier, II - hypodermis
4. I - cytokine barrier, II - fats

Q. The number of basic layers of inner wall of the alimentary canal is

1. One
2. Two
3. Three
4. Four

Q. Assertion :The columnar epithelium lining the intestinal mucosa appears to have a brush like an appearance. Reason: A large number of microvilli are present on brush bordered columnar epithelium.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. The innermost layer of stomach is called.

1. Serosa
2. Muscularis mucosa
3. Mucosa
4. Lamina propria

Q. Mention the function of oxyntic cells in gastric glands.

Q. Match the following with their correct options according to their presence in different layers of GIT:

1. Mesothelium
2. Myenteric plexus
3. Meissner's plexus
4. Lamina propria

Q. HCl secreting cells of the gastric glands are called.

1. Zymogen cells
2. Enterochromaffin cells
3. Goblet cell
4. Oxyntic cells

Q. Where can we find Brunner’s glands in the alimentary canal and also match it with its characteristic feature?

1. Serosa → outermost layer of alimentary canal made up of a thin mesothelium with some connective tissue
2. Muscularis → it is formed by smooth muscles usually arranged into an inner longitudinal and outer circular layer
3. Submucosal layer of duodenum → formed of loose connective tissue, containing nerves, blood and lymph vessel
4. Mucosal layer → It forms rugae in stomach and villi in the small intestine

Q. Choose the correct set of statements about the anatomical features of the alimentary canal:
I. Outermost layer in the wall of the alimentary canal is serosa
II. Secretory glands occur in mucosa layer of the alimentary canal
III. Muscularis layer consists of both longitudinal and circular muscles
IV. Myenteric plexus is the bunch of nerves responsible for controlling gut’s intrinsic peristaltic activity

1. Only III and IV
2. Only II
3. Only I
4. I, II, III, IV