Digestion and Absorption Class 11 MCQ

Questions

    Digestion and Absorption Class 11 MCQ. We covered all the Digestion and Absorption Class 11 MCQ in this post for free so that you can practice well for the exam.

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    Digestion and Absorption Class 11 MCQ for Students

    Quick Quiz

    ‘Dialysis’ is related to

    A) Liver

    B) Kidney

    C) Eyes

    D) Brain

    Option b – Kidney

    Where is urea separated from the blood?

    A) Intestine

    B) Stomach

    C) Spleen

    D) Kidney

    Option d – Kidney

    The kidneys in human beings are a part of the system for

    A) Nutrition

    B) Transportation

    C) Excretion

    D) Respiration

    Option c – Excretion

    Urea is

    A) A nitrogen-containing organic compound

    B) A nitrogen-containing inorganic compound

    C) A plant hormone

    D) An endergonic compound

    Option a – A nitrogen-containing organic compound

    The average blood flow through the kidneys per minute is

    A) 1000 cc

    B) 1200 cc

    C) 200 cc

    D) 500 cc

    Option b – 1200 cc

    The dialyzer is used for the work of

    A) Heart

    B) Kidney

    C) Liver

    D) Lungs

    Option b – Kidney

    When kidneys fail to function, there is an accumulation of

    A) Fats in the body

    B) Proteins in the body

    C) Sugar in the blood

    D) Nitrogenous waste products in the blood

    Option d – Nitrogenous waste products in the blood

    Which of the following is not the normal function of the human kidney?

    A) Regulation of water level in the blood

    B) Regulation of sugar levels in the blood

    C) Filter out urea

    D) Secretion of several hormones

    Option b – Regulation of sugar levels in the blood

    The major chemical compound found in human kidney stones is

    A) Urea

    B) Calcium carbonate

    C) Calcium oxalate

    D) Calcium sulfate

    Option c – Calcium oxalate

    What amongst the following is responsible for the formation of stones in the human kidney?

    A) Calcium acetate

    B) Calcium oxalate

    C) Sodium acetate

    D) Sodium benzoate

    Option b – Calcium oxalate

    The duct of the gall bladder is also known as

    (A) Hepato-pancreatic duct

    (B) Cystic duct

    (C) Hepatic duct

    (D) Pancreatic duct

    Option b – Cystic duct

    Which of the following cells of intestinal mucosal epithelium secrete mucus?

    (A) Hepatic cells

    (B) Goblet cells

    (C) Oxyntic cells

    (D) Chief cells

    Option b – Goblet cells

    Read the given statements and select the correct option. Statement I: The activities of the GI tract are under neural and hormonal control. Statement II: The egestion of feces is a voluntary process and is carried out by peristaltic movement.

    (A) Statement I is correct, and Statement II is incorrect.

    (B) Statement I is incorrect, and Statement II is correct.

    (C) Both Statements I and II are correct.

    (D) Both Statements I and II are incorrect.

    Option c – Both Statements I and II are correct.

    …….. aids in the digestion of fats.

    (A) Bile juice

    (B) Pancreatic juice

    (C) Gastric juice

    (D) Both (A) and (B)

    Option d – Both (A) and (B)

    The enzyme that activates trypsinogen is secreted by the

    (A) cells of the stomach

    (B) hepatic cells

    (C) cells of JGA

    (D) intestinal mucosa

    Option d – intestinal mucosa

    Maltase converts maltose into

    (A) glucose + glucose

    (B) glucose + fructose

    (C) glucose + galactose

    (D) fructose + galactose

    Option a – glucose + glucose

    Which of the following are proteolytic enzymes?

    (A) Pepsin, rennin, and sucrase

    (B) Trypsin, nucleases, and carboxypeptidase

    (C) Chymotrypsinogen, amylase, and carboxypeptidase

    (D) Pepsin, rennin, and trypsin

    Option d – Pepsin, rennin, and trypsin

    Identify the ODD one.

    (A) Sub-lingual gland

    (B) Parotid gland

    (C) Brunner’s gland

    (D) Sub-maxillary

    Option c – Brunner’s gland

    ……… prevents the backflow of fecal matter in the large intestine.

    (A) Pyloric sphincter

    (B) Sphincter of Oddi

    (C) Ileocaecal valve

    (D) Gastro-oesophageal sphincter

    Option c – Ileocaecal valve

    Identify the INCORRECT statement.

    (A) Carbohydrates are digested and converted into monosaccharides like sucrose.

    (B) The end product of protein digestion is amino acids.

    (C) Most of the water is absorbed in the large intestine.

    (D) The absorption of simple sugars, alcohol, and water occurs in the stomach.

    Option a – Carbohydrates are digested and converted into monosaccharides like sucrose.

    Which of the following conditions/disorder is NOT associated with the digestive system?

    (A) Jaundice

    (B) Diarrhoea

    (C) Constipation

    (D) Tuberculosis

    Option d – Tuberculosis

    Which of the following statement is INCORRECT?

    (A) The common bile duct and pancreatic duct open into the hepato-pancreatic duct.

    (B) The simple substances breakdown formed after biomacromolecules are absorbed are in the jejunum and ileum.

    (C) The opening of the stomach into the duodenum is guarded by the pyloric sphincter.

    (D) Bile, pancreatic juice, and intestinal juice are the secretions released into the large intestine.

    Option d – Bile, pancreatic juice, and intestinal juice are the secretions released into the large intestine.

    Carbohydrates in chyme are hydrolyzed into disaccharides by

    (A) lipase

    (B) carboxypeptidase

    (C) amylase

    (D) dipeptidase

    Option c – amylase

    …….. is the principal organ for the absorption of nutrients.

    (A) Pancreas

    (B) Stomach

    (C) Small intestine

    (D) Large intestine

    Option c – Small intestine

    In the thecodont type of dentition

    (A) a set of temporary teeth is replaced by a set of permanent teeth.

    (B) each tooth is embedded in a socket of the jaw bone.

    (C) four functionally different teeth are present.

    (D) teeth erupt once in a lifetime

    Option b – each tooth is embedded in a socket of the jaw bone

    Select the INCORRECT match with respect to types of teeth and their number.

    (A) Incisors – 8

    (B) Canines – 4

    (C) Premolars – 2

    (D) Molars – 12

    Option c – Premolars – 2

    ……. cells are also known as parietal cells.

    (A) Peptic

    (B) Oxyntic

    (C) Chief

    (D) Zymogen

    Option b – Oxyntic

    Enzyme trypsinogen is secreted by which of the following organs?

    (A) small intestine

    (B) stomach

    (C) large intestine

    (D) pancreas

    Option d – pancreas

    Which of the following statement is CORRECT regarding marasmus?

    (A) It is caused due to protein deficiency only.

    (B) It occurs in old-aged people.

    (C) The symptoms include extensive oedema, and swelling of body parts.

    (D) It occurs if the mother’s milk is replaced too early by other foods which are poor in both proteins and caloric value.

    Option d – It occurs if the mother’s milk is replaced too early by other foods which are poor in both proteins and caloric value.

    Which of the following statement is WRONG with respect to the pancreas?

    (A) It is a compound organ.

    (B) The exocrine portion of the pancreas secretes insulin and glucagon.

    (C) It is situated between the limbs of the ‘C’ shaped duodenum.

    (D) The endocrine portion of the pancreas secretes insulin and glucagon.

    Option b – The exocrine portion of the pancreas secretes insulin and glucagon.

    Skin and eyes turn yellow due to the deposition of bile pigments in

    (A) Diarrhoea

    (B) Jaundice

    (C) PEM

    (D) Marasmus

    Option b – Jaundice

    Glisson’s capsule is

    (A) the thin connective tissue sheath that covers the opening of the windpipe.

    (B) present at the opening of the stomach.

    (C) present at the opening of the oesophagus.

    (D) the thin connective tissue sheath that covers each lobule of the liver.

    Option d – the thin connective tissue sheath that covers each lobule of the liver.

    The caecum is

    (A) the middle portion of the small intestine.

    (B) the fundic region of the stomach.

    (C) a part of the large intestine which hosts symbiotic micro-organisms.

    (D) the descending part of the colon.

    Option c – a part of the large intestine which hosts symbiotic micro-organisms.

    Select the INCORRECT match with respect to the substrate and enzyme that acts on it.

    (A) Carbohydrates – Amylase

    (B) Proteins – Carboxypeptidase

    (C) Fats – Lipases

    (D) Nucleoside – Nucleotidases

    Option d – Nucleoside – Nucleotidases

    The salivary gland located below the tongue is

    (A) Sub-mandibular

    (B) Sub-maxillary

    (C) Parotid

    (D) Sub-lingual

    Option d – Sub-lingual

    Gastric glands in the stomach are formed by which of the following layer?

    (A) Serosa

    (B) Mucosa

    (C) Sub-mucosa

    (D) Muscularis mucosa

    Option b – Mucosa

    Crypts of Lieberkuhn are located in

    (A) pancreas

    (B) small intestine

    (C) stomach

    (D) rectum

    Option b – small intestine

    Which of the following is NOT a characteristic symptom of kwashiorkor?

    (A) Wasting of muscles

    (B) Thinning of limbs

    (C) Extensive oedema

    (D) Extreme emaciation of the body

    Option d – Extreme emaciation of the body

    The enzymes that form the constituent of pancreatic juice are I. Nucleosidases II. Procarboxypeptidases III. Rennin IV. Chymotrypsinogen

    (A) I, II and III

    (B) I and II

    (C) II and IV

    (D) I and III

    Option c – II and IV

    Read the given statements and select the correct option. Statement I: Ileocaecal valve separates the small intestine and large intestine. Statement II: ileocaecal valve prevents the backflow of fecal matter.

    (A) Statement I is correct, while statement II is incorrect

    (B) Statement I is incorrect, while statement II is correct.

    (C) Both statements I and II are correct

    (D) Both statements I and II are incorrect

    Option c – Both statements I and II are correct

    The arrangement of teeth in the upper jaw in the order I, C, PM, and M is represented as

    (A) 2,1,3,3

    (B) 1,2,3,1

    (C) 2,1,2,3

    (D) 2,2,3,1

    Option c – 2,1,2,3

    Which of the following cells secrete the enzyme pepsinogen?

    (A) Peptic cells

    (B) Parietal cells

    (C) Oxyntic cells

    (D) Mucus neck cells

    Option a – Peptic cells

    Which of the following regulates the opening of the oesophagus into the stomach?

    (A) Pyloric sphincter

    (B) Sphincter of Oddi

    (C) Ileo-caecal valve

    (D) Gastro-oesophageal sphincter

    Option d – Gastro-oesophageal sphincter

    The common bile duct is formed by the union of

    (A) the cystic duct and hepatic duct

    (B) pancreatic duct and hepato-pancreatic duct

    (C) the duct of the gall bladder and the duct of the pancreas

    (D) hepatic ducts

    Option a – the cystic duct and hepatic duct

    ……. is a vestigial organ in humans.

    (A) Gallbladder

    (B) Vermiform appendix

    (C) Rectum

    (D) Duodenum

    Option b – Vermiform appendix

    ……. activates enzyme trypsinogen.

    (A) Chymotrypsinogen

    (B) Trypsin

    (C) Enterokinase

    (D) Carboxypeptidase

    Option c – Enterokinase

    Which of the following statement is CORRECT regarding pepsin?

    (A) It works in a highly alkaline medium.

    (B) It converts into pepsinogen on exposure to HCI.

    (C) It converts proteins into proteoses and peptones.

    (D) It is a proteolytic enzyme secreted by the small intestine.

    Option c – It converts proteins into proteoses and peptones

    HCI is produced by ……… cells of the stomach.

    (A) Argentaffin

    (B) Oxyntic

    (C) Chief

    (D) Peptic

    Option b – Oxyntic

    The following enzymes are present in succus entericus EXCEPT

    (A) nucleosidases

    (B) lipases

    (C) maltase

    (D) nucleases

    Option d – nucleases

    Which of the following part of the large intestine hosts some symbiotic organisms?

    (A) Duodenum

    (B) Caecum

    (C) Jejunum

    (D) Ileum

    Option b – Caecum

    Enterokinase is secreted by the mucosa of

    (A) pancreas

    (B) small intestine

    (C) liver

    (D) stomach

    Option b – small intestine

    Pick out the CORRECT statement.

    (A) Most of the fat digestion takes place in the stomach.

    (B). Most of the protein digestion takes place in the large intestine.

    (C) Digestion of carbohydrates is initiated in the oral cavity by the enzyme – salivary amylase.

    (D) Emulsification of fats occurs in the ileum.

    Option c – Digestion of carbohydrates is initiated in the oral cavity by the enzyme – salivary amylase.

    We covered all the digestion and absorption class 11 mcq above in this post for free so that you can practice well for the exam.

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