CBSE Class 11 Biology Digestion and Absorption MCQs Set D

Question: Common bile duct consists of
a) Cystic duct and hepatic duct
b) Only hepatic duct
c) Duct of salivary gland and hepatic duct
d) Does not exists
Answer: a

Question: Faeces enters into caecum of large intestine through
a) Ileo-caecal valve
b) Pyloric sphincter
c) Cardiac sphincter
d) Gastro-intestinal
Answer: a

Question: Crypts in between the bases of villi in the intestine are called
a) Crypts of leiberkuhn
b) Lacteal
c) Microvili
d) None of these
Answer: a

Question: _____ converts proteins into proteoses and peptones
a) Pepsin
b) Rennin
c) Insulin
d) Lipases
Answer: a

Question: Thin Connective tissue sheath that covers hepatic lobules are called
a) Hepatic cells
b) Mesothelium
c) Epiderm
d) Glissons capsule
Answer: d

Question: Exocrine part of pancreas secrete
a) Alkaline pancreatic juice
b) Neutral pacnreatic juice
c) Hormones – insulin and glucagon
d) Succus entericus
Answer: a

Question: The _____ are the structural and functional units of liver
a) Hepatic cells
b) Neuron
c) Nephron
d) Hepatic lobules
Answer: d

Question: Process by which the end products of digestion pass through the intestinal mucosa into the blood or lymph is called
a) Digestion
b) Deglutition
c) Absorption
d) Indigestion
Answer: c

Question: _____ % of starch is hydrolyzed in mouth
a) 30
b) 40
c) 100
d) 0
Answer: a

Question: The enzymes in _____ breakdown food in the simplest and absorbable form
a) Succus entericus
b) Pancreatic juice
c) Saliva
d) None of these
Answer: a

Question: Starch is broken into _____ by the action of salivary amylase
a) Maltose
b) Lactose
c) Sucrose
d) Fructose
Answer: a

Question: Small amounts of _____ are also secreted by gastric glands.
a) Pepsin
b) Rennin
c) Insulin
d) Lipases
Answer: d

Question: Proteins, peptones and proteoses is converted into dipeptides by the action of
a) Trypsin
b) Chymotrypsin
c) Carboxypeptidase
d) All of these
Answer: d

Question: Which of the following is activated by bile
a) Pepsin
b) Rennin
c) Insulin
d) Lipases
Answer: d

Question: Oxyntic cells secrete
a) Mucus
b) Pepsinogen
c) HCL and intrinsic factor
d) None of these
Answer: c

Question: Mucus in saliva helps in lubricating and adhering the masticated food particles into a _____
a) Bolus
b) Chyme
c) Deglutition
d) None of the above
Answer: a

Question: Enterokinase is secreted by
a) Intestinal mucosa
b) Mucosa of stomach
c) Submucosa
d) Serosa
Answer: a

Question: Three pairs of salivary glands are
a) Submaxillary, parotids, sublingual
b) Parotid, submaxillary, submandibular
c) Sublingual, submandibular, submaxillary
d) None of these
Answer: a

Question: Bolus mixed with acidic gastric juices reaching down to small intestine is called
a) Rennin
b) Enzyme
c) Chyme
d) Bolus only
Answer: c

Question: _____ is/are absorbed with the help of carried ion
a) Fructose
b) Amino acids
c) Both (a) and (b)
d) Water
Answer: c