Solved papers for NEET Biology NEET PYQ-Digestion and Absorption

done NEET PYQ-Digestion and Absorption Total Questions - 55

• question_answer1) The hormone that stimulates the stomach to secrete gastric juice is: [AIPMT 1998]
  A)
  gastrin
  done clear
  B)
  rennin
  done clear
  C)
  enterokinase
  done clear
  D)
  enterogastrone
  done clear
  View Answer play_arrow

• question_answer2) The layer of cells that secrete enamel of tooth is: [AIPMT 1998]
  A)
  dentoblast
  done clear
  B)
  ameloblast
  done clear
  C)
    osteoblast
  done clear
  D)
  odontoblast
  done clear
  View Answer play_arrow

• question_answer3) One of the factors required for the maturation of erythrocytes is: [AIPMT 1998]
  A)
  vitamin D
  done clear
  B)
  vitamin A
  done clear
  C)
  vitamin B12
  done clear
  D)
  vitamin C
  done clear
  View Answer play_arrow

• question_answer4) The lower jaw in mammals is made up of: [AIPMT 1998]
  A)
  angulars
  done clear
  B)
  mandible
  done clear
  C)
    dentary
  done clear
  D)
  maxills
  done clear
  View Answer play_arrow

• question_answer5) An average person not doing hard work requires energy per day about: [AIPMT 1999]
  A)
  2800 kcal
  done clear
  B)
  2000 kcal
  done clear
  C)
  1000 kcal
  done clear
  D)
  750 kcal
  done clear
  View Answer play_arrow

• question_answer6) Which of the following is mismatched? [AIPMT 1999]
  A)
  Vitamin K - beri-beri
  done clear
  B)
  Vitamin D - rickets
  done clear
  C)
  Vitamin C - scurvy
  done clear
  D)
  Vitamin A - xeropthalmia
  done clear
  View Answer play_arrow

• question_answer7) Glucose is carried from digestive tract to liver by: [AIPMT 1999]
  A)
  pulmonary vein
  done clear
  B)
  hepatic portal vein
  done clear
  C)
  hepatic artery
  done clear
  D)
  none of these
  done clear
  View Answer play_arrow

• question_answer8) Cholecystokinin and duocrinin are secreted by: [AIPMT 1999]
  A)
  adrenal cortex
  done clear
  B)
  thyroid gland
  done clear
  C)
  pancreas
  done clear
  D)
  intestine
  done clear
  View Answer play_arrow

• question_answer9) To which of the following family do folic acid and pantothenic acid belong? [AIPMT 1999]
  A)
  Vitamin C
  done clear
  B)
  Vitamin K
  done clear
  C)
  Vitamin A
  done clear
  D)
  Vitamin B complex
  done clear
  View Answer play_arrow

• question_answer10) Which part of body secretes die hormone secretin? [AIPMT 1999]
  A)
  Oesophagus
  done clear
  B)
  Duodenum
  done clear
  C)
  Stomach
  done clear
  D)
  Ileum
  done clear
  View Answer play_arrow

• question_answer11) Brunner's glands are present in:  [AIPMT 1999]
  A)
  stomach
  done clear
  B)
  duodenum
  done clear
  C)
  oesophagus
  done clear
  D)
  ileum
  done clear
  View Answer play_arrow

• question_answer12) Among mammals, a significant role is the digestion of milk is played by: [AIPMT 2000]
  A)
  rennin
  done clear
  B)
  invertase
  done clear
  C)
  amylase
  done clear
  D)
  intestinal bacteria
  done clear
  View Answer play_arrow

• question_answer13) A certain person eats boiled potato; one of the food component in it is: [AIPMT 2000]
  A)
  lactose which is indigestible
  done clear
  B)
  starch which does not get digested
  done clear
  C)
  cellulose which is digested by intestinal cellulose
  done clear
  D)
  DNA which gets digested by pancreatic DNA ase
  done clear
  View Answer play_arrow

• question_answer14) A common scent-producing gland among mammals is: [AIPMT 2000]
  A)
  anal gland
  done clear
  B)
  prostate gland
  done clear
  C)
  adrenal gland
  done clear
  D)
  Bartholin's gland
  done clear
  View Answer play_arrow

• question_answer15) Which one is correctly matched? [AIPMT 2001]
  A)
  Vit. E-Tocopherol
  done clear
  B)
  Vit. D-Riboflavin
  done clear
  C)
  Vit. B-Calciferol
  done clear
  D)
  Vit. A-Thiamine
  done clear
  View Answer play_arrow

• question_answer16) Stool of a person contains whitish grey colour due to malfunction of which type of organ? [AIPMT 2002]
  A)
  Pancreas
  done clear
  B)
  Spleen
  done clear
  C)
  Kidney
  done clear
  D)
  liver
  done clear
  View Answer play_arrow

• question_answer17) During prolonged fasting, in what sequence are the following organic compounds used up by the body?            [AIPMT 2003]
  A)
  First carbohydrates, next proteins and lastly lipids
  done clear
  B)
  First proteins, next lipids and lastly carbohydrate
  done clear
  C)
  First carbohydrates, next fats and lastly proteins
  done clear
  D)
  First fats, next carbohydrates and lastly proteins
  done clear
  View Answer play_arrow

• question_answer18) When \[\text{C}{{\text{O}}_{\text{2}}}\]concentration in blood increases, breathing becomes: [AIPMT (S) 2004]
  A)
  shallower and slow
  done clear
  B)
  there is no effect on breathing
  done clear
  C)
  slow and deep
  done clear
  D)
  faster and deeper
  done clear
  View Answer play_arrow

• question_answer19) Duodenum has characteristic Brunner's glands which secrete two hormones called: [AIPMT (S) 2004]
  A)
  kinase, estrogen
  done clear
  B)
  secretin, cholecystokinin
  done clear
  C)
  prolactin, parathormone
  done clear
  D)
  estradion, Progesterone
  done clear
  View Answer play_arrow

• question_answer20) Epithelial cells of the intestine involved in food absorption have on their surface: [AIPMT (S) 2005]
  A)
  pinocytic vesicles
  done clear
  B)
  phagocytic vesicles
  done clear
  C)
  zymogen granules
  done clear
  D)
  micro-villi
  done clear
  View Answer play_arrow

• question_answer21) Secretin and cholecystokinin are digestive hormones. They are secreted in: [AIPMT (S) 2005]
  A)
  oesophagus
  done clear
  B)
  ileum
  done clear
  C)
  duodenum
  done clear
  D)
  pyloric stomach   
  done clear
  View Answer play_arrow

• question_answer22) A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of: [AIPMT (S) 2005]
  A)
  fats
  done clear
  B)
  ketones
  done clear
  C)
  amino acids
  done clear
  D)
  glucose
  done clear
  View Answer play_arrow

• question_answer23) About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and: [AIPMT (S) 2007]
  A)
  phosphorus and sulphur
  done clear
  B)
    sulphur and magnesium
  done clear
  C)
  magnesium and sodium
  done clear
  D)
  calcium and phosphorus
  done clear
  View Answer play_arrow

• question_answer24) What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor? [AIPMT (S) 2008]
  A)
  Gastric juice will be deficient in chymosin
  done clear
  B)
  Gastric juice will be deficient in pepsinogen
  done clear
  C)
  In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin
  done clear
  D)
  Enterokinase will not be released from the duodenal mucosa and so trypsinogen is no converted to trypsin
  done clear
  View Answer play_arrow

• question_answer25) Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product? [AIPMT (S) 2008]
  A)
  Duodenum: \[\text{Triglycerides}\xrightarrow[{}]{\text{Trypsin}}\] Monogy-lcerides
  done clear
  B)
  Small intestine: Starch \[\alpha \xrightarrow[{}]{\text{Amylase}}\] Disaccharide (maltose)
  done clear
  C)
  Small intestine: Proteins \[\xrightarrow[{}]{Pep\sin }\] Ammo acids
  done clear
  D)
  Stomach: Fats\[\xrightarrow[{}]{Lipase}\] Micelles
  done clear
  View Answer play_arrow

• question_answer26) Which one of the following pairs of food components in humans reaches the stomach totally undigested? [AIPMT (S) 2009]
  A)
  Protein and starch
  done clear
  B)
  Starch and fat
  done clear
  C)
  Fat and cellulose
  done clear
  D)
  Starch and cellulose
  done clear
  View Answer play_arrow

• question_answer27) Which one of the following statement is true regarding digestion and absorption of food in humans? [AIPMT (S) 2009]
  A)
  Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
  done clear
  B)
  Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like \[Tl<In<Ga<Al\].
  done clear
  C)
  Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries.
  done clear
  D)
  About 60% of starch is hydrolysed by salivary amylase in our mouth.
  done clear
  View Answer play_arrow

• question_answer28) A young infant may be feeding entirely on mother's milk, which is white in colour but the stools, which the infant passes out is quite yellowish. What is this yellow colour due to? [AIPMT (S) 2009]
  A)
  Intestinal juice
  done clear
  B)
  Bile pigments passed through bile juice
  done clear
  C)
  Undigested milk protein casein
  done clear
  D)
  Pancreatic juice poured into duodenum
  done clear
  View Answer play_arrow

• question_answer29) If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen?   [AIPMT (M) 2010]
  A)
  The pancreatic enzymes and specially the trypsin and lipase will not work efficiently
  done clear
  B)
  The pH of stomach will fall abruptly
  done clear
  C)
  Steapsin will be more effective
  done clear
  D)
  Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones
  done clear
  View Answer play_arrow

• question_answer30) Carrier ions like Na + facilitate the absorption of substance like [AIPMT (S) 2010]
  A)
  amino acids and glucose
  done clear
  B)
  glucose and fatty acids
  done clear
  C)
  fatty acids and glycerol
  done clear
  D)
  fructose and some amino acids
  done clear
  View Answer play_arrow

• question_answer31) If for some reason our goblet cells are non-functional, this will adversely affect [AIPMT (S) 2010]
  A)
  production of somatostatin
  done clear
  B)
  secretion of sebum from the sebaceous glands
  done clear
  C)
  maturation of sperms
  done clear
  D)
  smooth movement of food down the intestine
  done clear
  View Answer play_arrow

• question_answer32) One-of the constituents of the pancreatic juice while poured into the duodenum in humans, is [AIPMT (M) 2011]
  A)
  trypsinogen
  done clear
  B)
  chymotrypsin
  done clear
  C)
  trypsin
  done clear
  D)
  enterokinase
  done clear
  View Answer play_arrow

• question_answer33) Given ahead is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B and C. [AIPMT (S) 2011]

  Gland	Secretion	Effect on Body
  A	Oestrogen	Maintenance of second ary sexual characters
  Alpha cells of islets of Langerhans	B	Raises blood sugar level
  Anterior pituitary	C	Over secrection leads to gigantism

  A)
  Placenta            Insulin        Vasopressin
  done clear
  B)
  Ovary               Insulin        Calcitonin
  done clear
  C)
  Placenta            Glucagon    Calcitonin
  done clear
  D)
  Ovary   Glucagon    Growth hormone
  done clear
  View Answer play_arrow

• question_answer34) A person with unknown blood group under ABO system, has suffered much blood loss in an accident   and   needs   immediate   blood transfusion. His one friend who- has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend? [AIPMT (S) 2011]
  A)
  Type AB
  done clear
  B)
  Type O
  done clear
  C)
  Type A
  done clear
  D)
  Type B
  done clear
  View Answer play_arrow

• question_answer35) The initial step in the digestion of milk in humans is carried out by? [NEET 2014]
  A)
  Lipase
  done clear
  B)
  Trypsin
  done clear
  C)
  Rennin
  done clear
  D)
  Pepsin
  done clear
  View Answer play_arrow

• question_answer36) Fructose is absorbed into the blood through mucosa cells of intestine by the process called [NEET 2014]
  A)
  active transport
  done clear
  B)
  facilitated transport
  done clear
  C)
  simple diffusion
  done clear
  D)
  co-transport mechanism
  done clear
  View Answer play_arrow

• question_answer37) The guts of cow and buffalo possess [NEET [C] 2015]
  A)
  Fucus sp
  done clear
  B)
  Chlorella sp
  done clear
  C)
  methanogens
  done clear
  D)
  cyanobacteria
  done clear
  View Answer play_arrow

• question_answer38) Which of the following statement is not correct? [NEET [C] 2015]
  A)
  Brunner's glands are present in the submucosa of stomach and secrete pepsinogen
  done clear
  B)
  Goblet cells are present in the mucosa of intestine and secrete mucus
  done clear
  C)
  Oxyntic cells are present in the mucosa of stomach and secrete HCI.
  done clear
  D)
  Acini are present in the pancreas and secrete carboxypeptidase
  done clear
  View Answer play_arrow

• question_answer39) Gastric juice of infants contains [NEET [C] 2015]
  A)
  maltase, pepsinogen, rennin
  done clear
  B)
  nuclease, pepsinogen, lipase
  done clear
  C)
  pepsinogen, lipase, rennin
  done clear
  D)
  amylase, rennin, pepsinogen
  done clear
  View Answer play_arrow

• question_answer40) The primary dentition in human differs from permanent dentition in not having one of the following type of teeth     [NEET (Re) 2015]
  A)
  Canine
  done clear
  B)
  Premolars
  done clear
  C)
  Molars
  done clear
  D)
  Incisors
  done clear
  View Answer play_arrow

• question_answer41) The enzyme that is not present in succus entericus is [NEET (Re) 2015]
  A)
  maltase
  done clear
  B)
  nucleases
  done clear
  C)
  nucleosidase
  done clear
  D)
  lipase
  done clear
  View Answer play_arrow

• question_answer42) In the stomach, gastric acid is secreted by the: [NEET - 2016 Phase-I]
  A)
  Gastrin secreting cells      
  done clear
  B)
  Parietal cells
  done clear
  C)
  Peptic cells
  done clear
  D)
  Acidic cells
  done clear
  View Answer play_arrow

• question_answer43) Which of the following guards the opening of hepatopancreatic duct into the duodenum? [NEET - 2016 Phase-I]
  A)
  Semilunar valve
  done clear
  B)
  Ileocaecal valve
  done clear
  C)
  Pyloric sphincter
  done clear
  D)
  Sphincter of Oddi
  done clear
  View Answer play_arrow

• question_answer44) Which hormones do stimulate the production of pancreatic juice and bicarbonate? [NEET - 2016 Phase-II]
  A)
  Angiotensin and epinephrine
  done clear
  B)
  Gastrin and insulin
  done clear
  C)
  Cholecystokinin and secretin
  done clear
  D)
  Insulin and glucagon
  done clear
  View Answer play_arrow

• question_answer45) Which of the following options best represents the enzyme composition of pancreatic juice? [NEET-2017]
  A)
  Lipase, amylase, trypsinogen, procarboxy-peptidase
  done clear
  B)
  Amylase, peptidase, trypsinogen, rennin
  done clear
  C)
  Amylase, pepsin, trypsinogen, maltase
  done clear
  D)
  Peptidase, amylase, pepsin, rennin
  done clear
  View Answer play_arrow

• question_answer46) The hepatic portal vein drains blood to liver from [NEET-2017]
  A)
  Intestine
  done clear
  B)
  Heart
  done clear
  C)
  Stomach
  done clear
  D)
  Kidneys
  done clear
  View Answer play_arrow

• question_answer47) 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? [NEET-2017]
  A)
  Molars
  done clear
  B)
  Incisors
  done clear
  C)
  Canines
  done clear
  D)
  Pre-molars
  done clear
  View Answer play_arrow

• question_answer48) Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme? [NEET-2017]
  A)
  Kupffer cells
  done clear
  B)
  Argentaffin cells
  done clear
  C)
  Paneth cells
  done clear
  D)
  Zymogen cells
  done clear
  View Answer play_arrow

• question_answer49) Which of the following gastric cells indirectly help in erythropoiesis? [NEET - 2018]
  A)
  Goblet cells
  done clear
  B)
  Mucous cells
  done clear
  C)
  Chief cells
  done clear
  D)
  Parietal cells
  done clear
  View Answer play_arrow

• question_answer50) Which of the following terms describe human dentition? [NEET - 2018]
  A)
  Pleurodont, Monophyodont, Homodont
  done clear
  B)
  Thecodont, Diphyodont, Heterodont
  done clear
  C)
  Thecodont, Diphyodont, Homodont
  done clear
  D)
  Pleurodont, Diphyodont, Heterodont
  done clear
  View Answer play_arrow

• question_answer51) Conversion of milk to curd improves its nutritional value by increasing the amount of [NEET - 2018]
  A)
  Vitamin \[{{\text{B}}_{\text{12}}}\]
  done clear
  B)
  Vitamin A
  done clear
  C)
  Vitamin D
  done clear
  D)
  Vitamin E
  done clear
  View Answer play_arrow

• question_answer52) Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes. [NEET 2019]
  A)
  Oxyntic Cells
  done clear
  B)
  Duodenal Cells
  done clear
  C)
  Chief Cells
  done clear
  D)
  Goblet Cells
  done clear
  View Answer play_arrow

• question_answer53) Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth: [NEET 2019]
  A)
  Pharynx \[\to \] Oesophagus \[\to \] Gizzard \[\to \] Ileum \[\to \]Crop \[\to \]Colon \[\to \] Rectum
  done clear
  B)
  Pharynx \[\to \]Oesophagus\[\to \] Ileum \[\to \] Crop \[\to \]Gizzard \[\to \] Colon \[\to \] Rectum
  done clear
  C)
  Pharynx \[\to \] Oesophagus \[\to \]Crop \[\to \]Gizzard \[\to \]Ileum \[\to \] Colon \[\to \]Rectum
  done clear
  D)
  Pharynx \[\to \]Oesophagus \[\to \]Gizzard \[\to \]Crop \[\to \]Ileum \[\to \]Colon \[\to \]Rectum
  done clear
  View Answer play_arrow

• question_answer54) Identify the correct statement with reference to human digestive system. [NEET 2020]
  A)
  Serosa is the innermost layer of the alimentary canal
  done clear
  B)
  IIeum is a highly coiled part
  done clear
  C)
  Vermiform appendix arises from duodenum
  done clear
  D)
  IIeum opens into small intestine
  done clear
  View Answer play_arrow

• question_answer55) The enzyme enterokinase helps in conversion of [NEET 2020]
  A)
  trypsinogen into trypsin
  done clear
  B)
  caseinogen into casein
  done clear
  C)
  pepsinogen into pepsin
  done clear
  D)
  protein into polypeptides
  done clear
  View Answer play_arrow