CBSE Class 11 Biology Digestion and Absorption MCQs Set C

Question: The absorbed substance finally reach the tissues which utilize them for their activities this process is called
a) Assimilation
b) Absorption
c) Digestion
d) None of the options
Answer: a

Question: Secretin stimulates production of
a) saliva
b) gastric juice
c) bile
d) pancreatic juice.
Answer: d

Question: Food is not properly digested in which disorder
a) Jaundice
b) Indigestion
c) Constipation
d) Diarrhoea
Answer: b

Question: Which cells of ‘Crypts of Lieberkuhn’ secrete antibacterial lysozyme?
a) Paneth cells
b) Zymogen cells
c) Kupffer cells
d) Argentaffin cells
Answer: a

Question: Duodenum has characteristic Brunner’s gland which secrete two hormones called
a) kinase, estrogen
b) secretin, cholecystokinin
c) prolactin, parathormone
d) estradiol, progesterone.
Answer: b

Question: Identify the correct statement with reference to human digestive system.
a) Ileum opens into small intestine.
b) Serosa is the innermost layer of the alimentary canal.
c) IIeum is a highly coiled part.
d) Vermiform appendix arises from duodenum.
Answer: c

Question: The layer of cells that secrete enamel of tooth is
a) osteoblast
b) odontoblast
c) dentoblast
d) ameloblast.
Answer: d

Question: Glucose, amino acids and electrolytes are absorbed by _____ type of diffusion
a) passive
b) active
c) facilitated
d) simple
Answer: d

Question: Which of the following guards the opening of hepatopancreatic duct into the duodenum?
a) Pyloric sphincter
b) Sphincter of Oddi
c) Semilunar valve
d) Ileocaecal valve
Answer: b

Question: Egestion is _____ process and is carried out mass peristaltic movement
a) Voluntary
b) Involunatry
c) Does not happen
d) Can’t say
Answer: a

Question: Pancreas produces
a) three digestive enzymes and one hormone
b) three types of digestive enzymes and two hormones
c) two digestive enzymes and one hormone
d) three digestive enzymes and no hormone.
Answer: b

Question: Where do certain symbiotic microorganisms normally occur in human body?
a) Caecum
b) Oral lining and tongue surface
c) Vermiform appendix and rectum
d) Duodenum
Answer: a

Question: If for some reason our goblet cells are nonfunctional, this will adversely affect
a) production of somatostatin
b) secretion of sebum from the sebaceous glands
c) maturation of sperms
d) smooth movement of food down the intestine.
Answer: d

Question: Secretin and cholecystokinin are digestive hormones. They are secreted in
a) pyloric stomach
b) duodenum
c) ileum
d) oesophagus.
Answer: b

Question: Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal?
a) Pancreatic amylase → Salivary amylase → Lipases
b) Disaccharidase like maltase → Lipases → Nucleases
c) Salivary amylase → Pancreatic amylase → Disaccharidases
d) Salivary maltase → Carboxypeptidase → Trypsinogen
Answer: c

Question: Which part of body secretes the hormone secretin?
a) Stomach
b) Oesophagus
c) Ileum
d) Duodenum
Answer: d

Question: Stool of a person is whitish grey coloured due to malfunction of which of the following organ?
a) Pancreas
b) Spleen
c) Kidney
d) Liver
Answer: d

Question: A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?
a) Canines
b) Pre-molars
c) Molars
d) Incisors
Answer: b

Question: Brunner’s glands are present in
a) stomach
b) oesophagus
c) ileum
d) duodenum.
Answer: d

Question: _____ and _____ cannot be directly absorbed by blood
a) Electrolytes, fatty acid
b) Monosaccharide, glycerol
c) Amino acids, fructose
d) Fatty acids and glycerol
Answer: d

Question: Maximum absorption occurs in
a) Jejunum
b) Ileum
c) Duodenum
d) Both Jejunum and Ileum
Answer: a

Question: Absorption of drugs occurs in
a) Large intestine
b) Small intestine
c) Mouth
d) Both Large intestine and Mouth
Answer: d

Question: Two friends are eating together on a dining table.One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of
a) epiglottis
b) diaphragm
c) neck
d) tongue.
Answer: a

Question: In the stomach, gastric acid is secreted by the
a) peptic cells
b) acidic cells
c) gastrin secreting cells
d) parietal cells.
Answer: d

Question: Which one of the following pairs is not correctly matched?
a) Vitamin B12 – Pernicious anaemia
b) Vitamin B6 – Convulsions
c) Vitamin B1 – Beri-beri
d) Vitamin B2 – Pellagra
Answer: d

Question: When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from
a) rickets
b) kwashiorkor
c) pellagra
d) marasmus.
Answer: d

Question: If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen?
a) The pancreatic enzymes and specially the trypsin and lipase will not work efficiently.
b) The pH of stomach will fall abruptly.
c) Steapsin will be more effective.
d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones.
Answer: d

Question: Which one of the factors are required for the maturation of erythrocytes ?
a) Vitamin B12
b) Vitamin C
c) Vitamin D
d) Vitamin A
Answer: a

Question: For its activity, carboxypeptidase requires
a) zinc
b) iron
c) niacin
d) copper.
Answer: a

Question: One of the constituents of the pancreatic juice which is poured into the duodenum in humans is
a) trypsinogen
b) chymotrypsin
c) trypsin
d) enterokinase
Answer: a

Question: Which of the following statements is not correct?
a) Oxyntic cells are present in the mucosa of stomach and secrete HCl.
b) Acini are present in the pancreas and secrete carboxypeptidase.
c) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen.
d) Goblet cells are present in the mucosa of intestine and secrete mucus.
Answer: c

Question: Brunner’s glands occur in
a) submucosa of duodenum
b) submucosa of stomach
c) mucosa of oesophagus
d) mucosa of ileum.
Answer: a

Question: In vertebrates, lacteals are found in
a) oesophagus
b) ear
c) ileum
d) ischium.
Answer: c

Question: Duct leading from parotid gland and opening into vestibule is
a) Haversian duct
b) Stenson’s duct
c) Wolffian duct
d) infra-orbital duct
Answer: b

Question: The primary dentition in human differs from permanent dentition in not having one of the following type of teeth.
a) Molars
b) Incisors
c) Canines
d) Premolars
Answer: d

Question: Kupffer’s cells occur in
a) spleen
b) kidney
c) brain
d) liver.
Answer: d

Question: The vitamin C or ascorbic acid prevents
a) scurvy
b) antibody synthesis
c) rickets
d) pellagra.
Answer: a

Question: The enzyme enterokinase helps in conversion of
a) protein into polypeptides
b) trypsinogen into trypsin
c) caseinogen into casein
d) pepsinogen into pepsin.
Answer: b

Question: Continuous bleeding from an injured part of body is due to deficiency of
a) vitamin A
b) vitamin B
c) vitamin K
d) vitamin E.
Answer: c

Question: Which of the following options best represents the enzyme composition of pancreatic juice?
a) Amylase, Pepsin, Trypsinogen, Maltase
b) Peptidase, Amylase, Pepsin, Rennin
c) Lipase, Amylase, Trypsinogen, Procarboxypeptidase
d) Amylase, Peptidase, Trypsinogen, Rennin
Answer: c

Question: Wharton’s duct is associated with
a) sublingual salivary gland
b) parotid salivary gland
c) submaxillary salivary gland
d) Brunner’s glands.
Answer: c

Question: Abnormal bowel movement is a symptom of which of the following
a) Jaundice
b) Indigestion
c) Constipation
d) Diarrhoea
Answer: d

Question: Lamina propria is connected with
a) acini
b) liver
c) Graafian follicle
d) intestine.
Answer: d

Question: A polysaccharide which is synthesized and stored in liver cells is
a) arabinose
b) glycogen
c) lactose
d) galactose.
Answer: b

Question: The initial step in the digestion of milk in humans is carried out by
a) lipase
b) trypsin
c) rennin
d) pepsin.
Answer: c

Question: Which one of the following vitamins can be synthesized by bacteria inside the gut?
a) D
b) K
c) B1
d) C
Answer: c

Question: Which of the following gastric cells indirectly help in erythropoiesis?
a) Chief cells
b) Mucous cells
c) Goblet cells
d) Parietal cells
Answer: d

Question: Gastric juice of infants contains
a) pepsinogen, lipase, rennin
b) amylase, rennin, pepsinogen
c) maltase, pepsinogen, rennin
d) nuclease, pepsinogen, lipase.
Answer: a

Question: Pancreatic juice and hormones of pancreas are produced by
a) same cells
b) same cells at different times
c) statment is wrong
d) different cells.
Answer: d

Question: The richest sources of vitamin B12 are
a) goat’s liver and Spirulina
b) chocolate and green gram
c) rice and hen’s egg
d) carrot and chicken’s breast.
Answer: a

Question: Which of the following terms describes human dentition?
a) Thecodont, Diphyodont, Homodont
b) Thecodont, Diphyodont, Heterodont
c) Pleurodont, Monophyodont, Homodont
d) Pleurodont, Diphyodont, Heterodont
Answer: b

Question: Which hormones do stimulate the production of pancreatic juice and bicarbonate?
a) Angiotensin and epinephrine
b) Gastrin and insulin
c) Cholecystokinin and secretin
d) Insulin and glucagon
Answer: c

Question: Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.
a) Duodenal cells
b) Chief cells
c) Goblet cells
d) Oxyntic cells
Answer: c

Question: A healthy person eats the following diet-5 gm raw sugar, 4 gm albumin, 10 gm pure buffalo ghee adultrated with 2 gm vegetable ghee (hydrogenated vegetable oil) and 5 gm lignin. How many calories he is likely to get?
a) 126
b) 164
c) 112
d) 144
Answer: d

Question: The enzyme that is not present in succus entericus is
a) nucleosidase
b) lipase
c) maltase
d) nuclease.
Answer: d

Question: Which group of three of the following five statements (1-5) contain all three correct statements regarding beri-beri?
1. A crippling disease prevalent among the native population of sub-Saharan Africa.
2. A deficiency disease caused by lack of thiamine (vitamin B1).
3. A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein.
4. Occurs in those countries where the staple diet is polished rice.
5. The symptoms are pain from neuritis, paralysis,muscle wasting, progressive oedema, mental deterioration and finally heart failure.
a) 2, 4 and 5
b) 1, 2 and 4
c) 1, 3 and 5
d) 2, 3 and 5
Answer: a

Question: Match the following structures with their respective location in organs.
a) Crypts of Lieberkuhn        (i) Pancreas
b) Glisson’s Capsule             (ii) Duodenum
c) Islets of Langerhans         (iii) Small intestine
d) Brunner’s Glands             (iv) Liver
Answer: d