NCERT Digestion Absorption PDFs,MCQs,mock,model Biology Test NEET

Digestion and Absorption Mock Exam-3

Question No:1

A muscular sphincter that regulates the opening of stomach into duodenum is

[A] Pyloric sphincter
[B] Gastro esophageal sphincter
[C] Sphincter of Oddi
[D] Cervical sphincter



Question No:2

Large intestine consists of

[A] Caecum
[B] Colon
[C] Rectum
[D] All



Question No:3

A part of large intestine which is a blind sac and harbor some symbiotic micro organism is

[A] Colon
[B] Caecum
[C] Rectum
[D] Ileum



Question No:4

Colon is divided into

[A] Ascending colon
[B] Descending colon
[C] Transverse colon
[D] All



Question No:5

Which of the following is true about appendix?

[A] Narrow finger-like tubular projection
[B] Arises from the caecum
[C] Vestigial organ
[D] All



Question No:6

The wall of alimentary canal from oesophagus to rectum possesses how many histological layers?

[A] 1
[B] 2
[C] 3
[D] 4



Question No:7

The following histological layers are present in wall of human alimentary canal from esophagus to rectum.
A. Serosa
B. Bowman’s layer
C. Muscularis
D. Sub-mucosa
E. Mucosa
F. Ganglion layer

[A] A,B,C,D
[B] B,C,D,E
[C] A,B,D,F
[D] A,C,D,E



Question No:8

Which of the following is the outermost histological layer of alimentary canal?

[A] Serosa (thin mesothelium)
[B] Mucosa
[C] Sub mucosa
[D] Muscularis



Question No:9

Where does the oblique muscle layer situated in human alimentary canal?

[A] Esophagus
[B] Stomach
[C] Large intestine
[D] Small intestine



Question No:10

Select the total number of false statements from the following.
A. Muscularis is formed by smooth muscles usually arranged into an inner circular and an outer longitudinal layer.
B. Submucosal layer is formed of loose connective tissues containing nerves, blood and lymph vessels
C. Serosa is the outermost layer and is made up of a thin mesothelium (epithelium of visceral organs) with some connective tissues.
D. The innermost layer lining the lumen of the alimentary canal is the mucosa.
E. Mucosal epithelium has goblet cells which secrete mucus that help in lubrication,

[A] 3
[B] 4
[C] 5
[D] All are true



Question No:11

Mucosal layer that forms irregular folds in the stomach is called

[A] Rugae
[B] Villi
[C] Microvilli
[D] Papilla



Question No:12

Mucosal layer that forms small finger like projections in intestine is called

[A] Villi
[B] Microvilli
[C] Crypts
[D] Papilla



Question No:13

Mucosal layer that forms depressions in between villi in intestine is called

[A] Villi
[B] Microvilli
[C] Crypts
[D] Papilla



Question No:14

In the wall of alimentary canal which are/is true sequence from outer to inner?

[A] Serosa, longitudinal muscle, mucosa, sub mucosa
[B] Mucosa, serosa, long muscle
[C] Serosa, long muscle, circular, sub-mucosa, mucosa
[D] Serosa, long muscle, sub-mucosa, mucosa



Question No:15

The narrow distal end of stomach is called

[A] Cardiac
[B] Duodenum
[C] Pharynx
[D] Pylorus