CBSE Questions for Class 11 Medical Biology Digestion And Absorption Quiz 14 - MCQExams.com

Human beings get how many sets of teeth in their lifetime? 
  • One
  • Two
  • Four
  • Many
 How many teeth are present in each jaw in a normal adult?
  • 8
  • 16
  • 24
  • 32
Which gland of digestive system is inside the alimentary canal?
  • Salivary gland
  • Liver
  • Pancreas
  • None of these
Match the two columns and select the correct among options given:
Column IColumn II
A)Biomacromolecules of food i)Alimentary canal and associated gland
B)Human digestive systemii)Embedded in jawbones 
C)Stomach iii)Outer wall of visceral organs
D)Thecodont iv)Converted into simple substances
E)Serosa v)J-shaped hag like structure 
 
  • A - (ii), B - (i), C - (v), D - (iii), E - (iv)
  • A - (iv), B - (i), C - (v), D - (ii), E - (iii)
  • A - (i), B - (ii), C - (iii), D - (iv), E - (v)
  • A - (i), B - (iii), C - (ii), D - (iv), E - (v)
The water from the digested food is mainly absorbed by
  • Stomach
  • Duodenum
  • Colon
  • Rectum
Mention if the following statements are true (T) or false (F): 

The food in the stomach stays for about 10 hours.
  • True
  • False
Which of the following organ is majorly involved in digestion?
  • Throat
  • Stomach
  • Tongue
  • Nose
Which of the following enzyme is present in the saliva?
  • Amylase
  • Protease
  • Lipase
  • Nuclease
Cuboidal epithelium with brush border of microvilli is found in : 
  • Ducts of salivary glands
  • Proximal convoluted tubule of nephron
  • Eustachian tube
  • Lining of intestine
Saliva contain____________.
  • Salts
  • Water
  • Mucus
  • All of the above
What is common among amylase, rennin and trypsin?

  • These all are proteins.
  • These all are proteolytic enzymes.
  • These are produced in stomach.
  • None of the above.
The literal meaning of "gastrulation" is 
  • Formation of primary germ layers
  • Formation of a gut
  • Morphogenetic movement
  • Commencement of organogenesis
Which of the following controls the peristaltic movement of
the intestine?

  • Sacral Plexus
  • Brachial Plexus
  • Discoidal Plexus
  • Auerbach's Plexus
Correctly arrange the parts of the alimentary canal in descending order.
  • Mouth, oesophagus, stomach, intestine
  • Oesophagus, mouth, stomach, intestine
  • Intestine, mouth, stomach, oesophagus
  • Stomach, Intestine, mouth, oesophagus
Which of the following shows correct pairing for salivary glands in man?
  • Parotid $$\rightarrow $$ Wharton's duct ; Submaxillary $$\rightarrow $$ Duct of Stensen ; Sublingual $$\rightarrow $$ Duct of Rivinus
  • Parotid $$\rightarrow $$ Duct of Rivinus ; Submaxillary $$\rightarrow $$ Wharton's duct ; Subligual $$\rightarrow $$ Duct of Stensen
  • Parotid $$\rightarrow $$ Duct of Rivinus ; Submaxillary $$\rightarrow $$ Wharton's duct ; Sublingual $$\rightarrow $$ Duct of Stensen
  • Parotid $$\rightarrow $$ Duct of Stensen ; Sub maxillary $$\rightarrow $$ Wharton's duct ; Sublingual $$\rightarrow $$ Duct of Rivinus
We eat food, which is composed of all the nutrients like carbohydrates, proteins, fats, vitamins, minerals, and water. After digestion, these are absorbed in the form of glucose, amino acids, fatty acids, glycerol, etc. 
What mechanisms are involved in the absorption of digested food and water?
  • Diffusion and osmosis respectively
  • Osmosis and diffusion respectively
  • Reverse osmosis and facilitated diffusion respectively
  • Facilitated diffusion and reverse osmosis respectively
Meckel's diverticulum is found in_________.
  • Ileum
  • Appendix
  • pylorus
  • Rectum
Which of the following is a proteolytic enzyme?

  • Pepsin
  • Trypsin
  • Renin
  • All of the above
Which is the characteristic lining of stomach of mammals

  • Paneth cells
  • Deiter cells
  • Oxyntic cells
  • Kupffer cells
Hastate plate is present in which part of the alimentary canal?
  • Cardiac stomach
  • Pyloric stomach
  • Fundic stomach
  • Intestine
Excessive stimulation of vagus nerve in humans may lead to
  • Hoarse voice
  • Peptic ulcers
  • Efficient digestion of proteins
  • None of the above
Starch splitting enzyme is secreted by
  • Liver
  • Zymogen cell of gastric glands
  • Salivary glands
  • Crypts of Lieberkuhn
The chyle contains
  • Proteins, starch, fats.
  • Peptones, starches, fats and HCl.
  • Amino acids, HCl, fats and starch.
  • Sugars, fatty acids, glycerol and amino acids.
Achalasia is a condition related to digestive tract which means
  • Failure of relaxing of pyloric sphincter
  • Failure of relaxation of gastroesophageal (cardiac) sphincter
  • Both A and B
  • Abnormality of ileocaecal valve
N-Acetyl muramidase, active in saliva and is microbicidal, was discovered by
  • Richet
  • Fleming
  • Robert Koch
  • Louis Pasteur
Serous glands located on the tongue are
  • Paratoid gland
  • Sublingual gland
  • Von Ebner's gland
  • All of the above
Modified part of ............. is the gizzard of the grain eater birds.
  • Oesophagus
  • Proventriculus
  • True stomach
  • Small intestine
Brunner's gland are characteristic of
  • Submucosa of duodenum
  • Mucosa of jejunum
  • Submucosa of stomach
  • Mucosa of colon
Cardiac sphincter prevents the movement of food from  
  • Oesophagous to mouth
  • Stomach to duodenum
  • Duodenum to large intestine
  • Stomach to oesophagous
Ptyalin prefers--------------media.
  • Strongly acidic
  • Slightly acidic
  • Neutral
  • None of the above
Largest salivary gland is 
  • Sublingual
  • Submandibular
  • Parotid
  • All of the above
The digestion of starch by amylase is completed in the 
  • Mouth
  • Oesophagus
  • Stomach
  • Duodenum
  • Ileum
Sericteries are modified
  • Endocrine glands
  • Gastric glands
  • Salivary glands
  • Intestinal glands
Mumps is the painful condition of
  • Sublingula infection
  • Parotid infection
  • Submaxillary salivary glands
  • All of the above
Trypsin enzyme in mammals is formed from the
  • Trypsinogen by action of enterokinase
  • Trypsinogen by the action of protein
  • Trypsinogen by the action of fat
  • None of these
Salivary glands of cockroach open on
  • Maxilla
  • Hypopharnyx
  • Labium
  • Labrum
Numbers of pairs of salivary glands present in rabbit are
  • One
  • Three
  • Four
  • Five
Enzyme pepsin acts upon food at pH of about 
  • 3 to split proteins
  • 2 to split carbohydrate
  • 7 to change protein into peptones
  • 2 to change protein into amino acids
Man bears $$4$$ kinds of teeth from front to the back of the jaw. Choose the correct order from the following.
  • (i)- Incisor, (ii)- Canine, (iii)- Premolars, (iv)- Molars
  • (i)- Molars, (ii)- Canine, (iii)- Premolars, (iv)- Incisor
  • (i)- Molars, (ii-) Canine, (iii)- Incisor, (iv)- Premolars
  • (i)- Incisor, (ii)- Premolars, (iii)- Molars, (iv)- Incisor
The tongue is attached to the floor of the oral cavity by
  • Palatine
  • Sphenoid
  • Pterygoid
  • Frenulum
When children play bare footed in pools of dirty water and flood water, they may suffer from diseases like
  • Leptospirusis and bilharzia
  • Malaria, amoebic dysentery and leptospirosis
  • Bilharzia, infective hepatitis and diarrhoea
  • Guinea worm infection, elephantiasis and amoebic dysentery
The presence of which of these in the intestine of rabbit distinguishes it from the stomach?
  • Digestive glands
  • Villi
  • Sub mucosa
  • Serosa
What is the common passage for bile and pancreatic juices?
  • Ampulla of Vater
  • Ductus Choledochus
  • Duct of Wirsung
  • Duct of Santorini
The digestion of food is completed in which part of the alimentary canal?
  • Duodenum
  • Ileum
  • Stomach
  • Large intestine
Read the following statements with respect to the given diagram.
(i) A major amount of carbohydrates is digested in P.
(ii) Chief fat digesting enzyme is present in R.
(iii) Digestion of proteins and fats starts in T.
(iv) Enzymes trypsin and chymotrypsin are produced in S.
(v) Enzyme responsible for curdling of milk is present in P.
Which of the above statements are correct?
315967_2d907fe7a7d340cd8f54b3ec4086c339.png
  • (i), (ii) and (iv)
  • (ii) and (v)
  • (iii), (iv) and (v)
  • (ii), (iv) and (v)
Identify enzymes a, b, c and d in digestion of carbohydrates.

669537_966149d39f7d408db659b021a3c1061a.JPG
  • a - Amylase, b - Invertase, c - Maltase, d - Lactase
  • a - Amylase, b - Lactase, c - Maltase, d - Invertase
  • a - Amylase, b - Maltase, c - Lactase, d - Invertase
  • a - Amylase, b - Maltase, c - Invertase, d - Lactase
In the lunch, you ate boiled green vegetables, a piece of cooked meat, one boiled egg and a sugar candy. Which one of these foods may have been digested first?
  • Boiled green vegetables
  • The piece of cooked meat
  • Boiled egg
  • Sugar candy
Pepsin differs from trypsin in that it digests
  • Protein in alkaline medium in stomach.
  • Protein in acid medium in stomach.
  • Protein in acid medium in duodenum.
  • Protein in alkaline medium in duodenum.
Which one of the following association is incorrect?
  • Protein-Trypsin
  • Fat- Lipase
  • Maltose- Pepsin
  • Starch- Amylase
Succus entericus is the other name of ?
  • Gastric juice
  • Intestinal juice
  • Bile juice
  • Saliva
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