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MCQ Questions for CBSE Class 12 with Answers
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Digestion and Absorption Class 11 MCQ Questions With Answers
1.
Succus entericus is the name given to
A junction between ileum and large intestine
Intestinal juice
Swelling in gut
appendix
2.
Mucosa forms irregular folds (rugae) in the –
Ileum
Stomach
Jejunum
Colon
3.
In human beings which of the following opens into the duodenum –
Hepatic duct and pancreatic duct separately
Hepato-pancreatic duct
1st hepatic duct, then pancreatic duct
1st pancreatic duct then hepatic duct
4.
Wharton’s duct is associated with
Brunner’s gland
Sublingual salivary gland
Submaxillary salivary gland
Parotid salivary gland
5.
The wall of alimentary canal from oesophagus to rectum posses four layers. The sequence of these layers is –
Serosa →\rightarrow→ Mucosa →\rightarrow→ Submucosa →\rightarrow→ Muscularis
Muscularis →\rightarrow→ Serosa →\rightarrow→ Mucosa →\rightarrow→ Submucosa
Serosa →\rightarrow→ Muscularis →\rightarrow→ Mucosa →\rightarrow→ Submucosa
Serosa →\rightarrow→ Muscularis →\rightarrow→ Submucosa →\rightarrow→ Mucosa
6.
Caecum is small blind sac which hosts some symbiotic micro-organisms. From it a small finger like vestigeal organ arises. This organ is called –
Parotid gland
Vermis
Vermiform appendix
Lacteals
7.
Choose the correct answer among the following: Gastric juice contains
Pepsin, rennin, lipase
Trypsin, rennin, pepsin
Pepsin, rennin, amylase
Pepsin, lipase, tripsin
8.
Which of the following parts of small intestine opens into large intestine?
Duodenum
Ileum
Jejunum
Colon
9.
Pancreatic secretions can be prevented from entering the duodenum by :
Pyloric valve
Sphincter of oddi
Common bile duct
CCK-PZ
10.
The hard chewing surface of teeth helping in mastication of food is called –
Dentine
Frenulum
Root
Enamel
11.
Our teeth are –
Acrodont and homodont
Homodont and polyphyodont
Thecodont, diphyodont and heterodont
Acrodont, homodont and polyphyodont
12.
Green colour of bile is due to
Biliverdin
Bilirubin
Sodium taurucholate
Sodium glycocholate
13.
Which of the following molecules can be used by us as a source of energy?
Carbohydrates only
Fats only
Carbohydrates or fats
Carbohydrates, fats and vitamins
14.
Taeniae coli are constituents of
Ileum
Caecum
Rectum
Colon
15.
Which of the following components of our food are taken in small quantities?
Carbohydrate and proteins
Proteins and minerals
Proteins and lipids
Minerals and vitamins
16.
Our stomach is –
U-shaped
J-shaped
C-shaped
Rod-shaped
17.
Which of the following is mismatched regarding the cells of gastric glands and their functions?
Mucus neck cells : Secrete mucus
Chief cells : Secrete Proenzymes (pepsinogen)
Parietal cells : Secrete intrinsic factor for the absorption of vitamin B12
Peptic cells : Secrete HCl
18.
The opening of stomach into duodenum is guarded by –
Cardiac sphincter
Sphincter of Boyden
Sphincter of Oddi
Pyloric sphincter
19.
Which layer of the gut is responsible for peristalsis?
Smooth muscles
Mucosa
Submucosa
Serosa
20.
Hepatocytes secrete –
Lipase
Bile, no digestive enzymes
Bile with digestive enzymes
Amylopsin
21.
Duct of gall bladder is called
Hepatic duct
Common bile duct
Cystic duct
Stenson’s duct
22.
Which of the following is not a function of large intestine?
Absorption of water, minerals and certain drugs
Secretion of mucus which hepls in adhering the waste particles together and lubricating it for an easy passage
Faeces enters into the caecum of the large intestine through ileocaecal valve
Significant digestive activity occurs in large intestine
23.
Crypts of Leiberkuhn are present in
Intestine
Stomach
Liver
None
24.
Tick mark the false statement.
About 60% starch is hydrolysed in buccal cavity by the enzyme salivary amylase
Salivary amylase acts on starch and is converted into maltose
Salivary amylase acts at optimum pH 6.8
Stomach stores the food for 4-5 hours
25.
The stomach is located in the upper _________ portion of the _________ cavity –
Right, thoracic
Left, abdominal
Right, abdominal
Left, thoracic
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