NEET Biology Digestion and Absorption Question Bank

done Digestion and Absorption Total Questions - 225

• question_answer1)
  Which of the following enzymes carries out the initialstep in the digestion of milk in humans?     [CBSE AIPMT]
  A)
  Rennin  done clear
  B)
               Lipase done clear
  C)
  Trypsin               done clear
  D)
  Pepsin done clear
  View Solution play_arrow

• question_answer2)
  The mucosal layer in the stomach form irregular folds known as                    [Kerala CEE]
  A)
  villi                   done clear
  B)
  lumen done clear
  C)
  rugae done clear
  D)
  crypts of Lieberkuhn done clear
  E)
  lacteals done clear
  View Solution play_arrow

• question_answer3)
  The back flow of faecal matter in the large intestine isprevented by the presence of                  [Kerala CEE]
  A)
  epiglottis            done clear
  B)
       sphincter of Oddi done clear
  C)
  ileo-caecal valve done clear
  D)
  gastric-oesophagealsphincter done clear
  E)
  pyloric sphincter done clear
  View Solution play_arrow

• question_answer4)
  In human body, the role of bile salts in digestion is to           [MHT GET]
  A)
  act as coenzymes during the digestion of carbohydrates done clear
  B)
  emulsify fats and facilitate their absorption done clear
  C)
  aid in the break-up of proteins into amino acids andtheir absorption done clear
  D)
  stimulate the pancreas to release its enzymes done clear
  View Solution play_arrow

• question_answer5)
  With reference to a normal human being, which one of the following statements is not correct?  [MHTCET]
  A)
  Human saliva is slightly alkaline done clear
  B)
  An adult human may secrete 1 to 1.5 litres of salivaper day done clear
  C)
  Saliva is secreted by six pairs of salivary glands inhuman beings done clear
  D)
  The salivary enzyme (ptyalin) breaks down cookedstarch into maltose done clear
  View Solution play_arrow

• question_answer6)
  Vitamin necessary for normal functioning of liver, clotting of blood and preventing haemorrhage is [MHTCET]
  A)
  tocopherol          done clear
  B)
  phylloquinone done clear
  C)
  cyanocobalamin done clear
  D)
       riboflavin done clear
  View Solution play_arrow

• question_answer7)
  Emulsification of fat will not occur in absence of                 [UPCPMT]
  A)
  lipase    done clear
  B)
  bile pigments done clear
  C)
  bile salts    done clear
  D)
  pancreatic juice done clear
  View Solution play_arrow

• question_answer8)
  The best source of vitamin-\[{{\text{B}}_{\text{1}}}\] is   [UPCPMT]
  A)
  whole wheat bread done clear
  B)
  cod liver oil done clear
  C)
  egg                    done clear
  D)
  curd done clear
  View Solution play_arrow

• question_answer9)
  Trypsinogen is converted into active trypsin by the action of             [CP CPMT]
  A)
  cholecystokinin done clear
  B)
  enterocrinin done clear
  C)
  enterokinase       done clear
  D)
  secretin done clear
  View Solution play_arrow

• question_answer10)
  In rabbit, the digestion of cellulose takes place in                             [UPCPMT]
  A)
  colon     done clear
  B)
  ileum done clear
  C)
  caecum done clear
  D)
  secretin done clear
  View Solution play_arrow

• question_answer11)
  Characteristic of mammalian liver is   [UP CPMT]
  A)
  Kupffer's cells and leucocytes done clear
  B)
  Leucocytes and canaliculae done clear
  C)
  Glisson's capsules and Kupffer's cells done clear
  D)
  Glisson's capsule and leucocytes done clear
  View Solution play_arrow

• question_answer12)
  What type of teeths are absent in rabbit?                            [UP CPMT]
  A)
  Molars      done clear
  B)
  Premolars done clear
  C)
  Canines     done clear
  D)
  Incisors done clear
  View Solution play_arrow

• question_answer13)
  The fat soluble vitamin is              [UPCPMT]
  A)
  B            done clear
  B)
  C done clear
  C)
  K                      done clear
  D)
  H done clear
  View Solution play_arrow

• question_answer14)
  Ptyalin is inactivated by a component of gastric juice known as                          [WB JEE]
  A)
  pepsin   done clear
  B)
  mucus done clear
  C)
  renin                 done clear
  D)
  \[\text{HCl}\] done clear
  View Solution play_arrow

• question_answer15)
  The lactase hydrolyses lactose into                        [WBJEE]
  A)
  glucose done clear
  B)
  glucose and galactose done clear
  C)
  fructose done clear
  D)
       glucose and fructose done clear
  View Solution play_arrow

• question_answer16)
  Kupffer's cells are            [WBJEE]
  A)
  phagocytic done clear
  B)
  non-phagocytic done clear
  C)
  myosin  done clear
  D)
  fibrin done clear
  View Solution play_arrow

• question_answer17)
  Which one is the correct option for labels A, B and C in the given diagram?      [Guj CET]
  A)
  A-Liver, B-Mucosa, C-Peritoneum done clear
  B)
  A-Liver, B-Circular muscle layer, C-Serosa done clear
  C)
  A-Pancreas, B-Mucosa, C-Peritoneum done clear
  D)
  A-Pancreas B-Submucosa, C-Serosa done clear
  View Solution play_arrow

• question_answer18)
  Proportion of which of the following should beincreased in diet to improve strength and growth of bones? [Guj CET]
  A)
  Vitamin-D, \[\text{C}{{\text{a}}^{\text{2+}}}\] and vitamin-K done clear
  B)
  Vitamin-D, \[\text{C}{{\text{a}}^{\text{2+}}}\] and iodine done clear
  C)
  Vitamin-D, \[\text{C}{{\text{a}}^{\text{2+}}}\] and vitamin-A done clear
  D)
  Vitamin-A, \[\text{C}{{\text{a}}^{\text{2+}}}\] and \[\text{Z}{{\text{n}}^{\text{2+}}}\] done clear
  View Solution play_arrow

• question_answer19)
  Which teeth of human are shovel-shaped and used fornibbling, cutting and tearing? [GujCET]
  A)
  Canines done clear
  B)
            Premolars done clear
  C)
  Molars               done clear
  D)
  Incisors done clear
  View Solution play_arrow

• question_answer20)
  Aggregates of lymphoid tissue present in the distalportion of the small intestine are known as                 [DUMET]
  A)
  villi                   done clear
  B)
  Peyer's patches done clear
  C)
  nigae     done clear
  D)
  chorbid plexus done clear
  View Solution play_arrow

• question_answer21)
  Graveyard for \[\text{RBCs}\]is                [DUMET]
  A)
  liver                  done clear
  B)
  spleen done clear
  C)
  kidney   done clear
  D)
  lymph glands done clear
  View Solution play_arrow

• question_answer22)
  Sphincter of \[\text{Oddi}\]guards             [DUMET]
  A)
  hepato-pancreatic duct                          done clear
  B)
  common bile duct     done clear
  C)
  pancreatic duct             done clear
  D)
  cystic duct done clear
  View Solution play_arrow

• question_answer23)
         Maltose gives rise to two molecules of                    [DUMET]
  A)
  fructose done clear
  B)
  lactose                done clear
  C)
  glucose  done clear
  D)
  sucrose  done clear
  View Solution play_arrow

• question_answer24)
               Pellagra is caused due to deficiency of                   [J&K CET]
  A)
  niacin done clear
  B)
  pantothenic acid done clear
  C)
        tocopherol          done clear
  D)
  cyanocobalamin done clear
  View Solution play_arrow

• question_answer25)
  If for some reason our goblet cells are non-functional. this will adversely affect            [CBSEAIPMT]
  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 downwards the intestine done clear
  View Solution play_arrow

• question_answer26)
  Match column I with column II and choose the correct Option.                     [Kerala CEE]

  Column I	Column II
  A. Goblet cells B. Lysozyme C. Saliva D. Oxyntic cells	1. Antibacterial agent 2. Mucus 3. \[\text{HCl}\] 4. Sublingual galnd

  A)
  A-3       B-1       C-4       D-2                                        done clear
  B)
  A-1       B-3       C-4       D-2 done clear
  C)
  A-2       B-3       C-1       D-4 done clear
  D)
  A-4       B-1       C-2       D-3 done clear
  E)
  A-2       B-1       C-4       D-3 done clear
  View Solution play_arrow

• question_answer27)
  Human dental formula is         [Kerala CEE]
  A)
  \[\text{I}\frac{\text{2}}{\text{2}}\text{C}\frac{\text{1}}{\text{1}}\text{Pm}\frac{\text{2}}{\text{2}}\text{M}\frac{\text{3}}{\text{3}}\]            done clear
  B)
  \[\text{I}\frac{\text{2}}{1}\text{C}\frac{\text{1}}{2}\text{Pm}\frac{\text{2}}{\text{2}}\text{M}\frac{\text{3}}{\text{3}}\] done clear
  C)
  \[\text{I}\frac{1}{2}\text{C}\frac{2}{1}\text{Pm}\frac{\text{2}}{\text{2}}\text{M}\frac{\text{3}}{\text{3}}\] done clear
  D)
  (d)\[\text{I}\frac{1}{1}\text{C}\frac{2}{1}\text{Pm}\frac{\text{2}}{\text{2}}\text{M}\frac{\text{3}}{\text{3}}\] done clear
  E)
  \[\text{I}\frac{2}{2}\text{C}\frac{2}{2}\text{Pm}\frac{1}{1}\text{M}\frac{\text{3}}{\text{3}}\] done clear
  View Solution play_arrow

• question_answer28)
  The gastric juice contains          [Kerala CEE]
  A)
  trypsin, pepsin, lipase done clear
  B)
  pepsin, lipase, rennin done clear
  C)
  pepsin, amylase, trypsin done clear
  D)
  trypsin, pepsin, rennin done clear
  E)
  pepsin, rennin, carboxypeptidase done clear
  View Solution play_arrow

• question_answer29)
  The-sphincter of \[\text{Oddi}\] found in man, guards the                            [Kerala CEE]
  A)
  pancreatic duct       done clear
  B)
  hepatopancreatic duct done clear
  C)
  bile duct             done clear
  D)
       cystic duct done clear
  E)
  duodenum done clear
  View Solution play_arrow

• question_answer30)
  Bile salts help in                          [OJEE]
  A)
  emulsification done clear
  B)
  mastication done clear
  C)
  absorption          done clear
  D)
  alkalination done clear
  View Solution play_arrow

• question_answer31)
  Which of the following represents all proteolytic enzymes ?                                        [OJEE]
  A)
  Erepsin. trypsin, pepsin done clear
  B)
  Cholecystokinin, pepsin, gastrin done clear
  C)
  Lipase. duocrinin, trypsin done clear
  D)
  Enterocrinin, gastrin, erepsin done clear
  View Solution play_arrow

• question_answer32)
  human, teeth are            [OJEE]
  A)
  homodont and polyphyodont done clear
  B)
  heterodont and polyphyodont done clear
  C)
  homodont and diphyodont done clear
  D)
  heierodont and diphyodont done clear
  View Solution play_arrow

• question_answer33)
  Vitamin-K deficiency causes            [OJEE]
  A)
  scurvy   done clear
  B)
  xerophthalmia done clear
  C)
  bleeding done clear
  D)
  osteomalacia done clear
  View Solution play_arrow

• question_answer34)
  In intestine, food materials are absorbed through                             [OJEE]
  A)
  villi done clear
  B)
  subtentacular cells done clear
  C)
  sub-mucosa        done clear
  D)
       gastric glands done clear
  View Solution play_arrow

• question_answer35)
  Diastema refers to                       [OJEE]
  A)
  gap between the teeth done clear
  B)
  gap between tongue and teeth done clear
  C)
  ciliary cells on alimentary wall done clear
  D)
  cell lining along pharynx done clear
  View Solution play_arrow

• question_answer36)
  Pylorus is present between            [OJEE]
  A)
  small and large intestine done clear
  B)
  pancreas and small intestine done clear
  C)
  oesophagus and stomach done clear
  D)
  stomach and duodenum done clear
  View Solution play_arrow

• question_answer37)
  Elephant tusks are                       [OJEE]
  A)
  molars done clear
  B)
  canines done clear
  C)
  incisors  done clear
  D)
  premolars done clear
  View Solution play_arrow

• question_answer38)
  Which of the following cells produce\[\text{HCl}\]?                                      [WBJEE]
  A)
  \[\text{ }\!\!\beta\!\!\text{ -}\]cells done clear
  B)
  \[\text{ }\!\!\alpha\!\!\text{ -}\]cells done clear
  C)
  Oxyntic cells        done clear
  D)
  Chief cells done clear
  View Solution play_arrow

• question_answer39)
  Vitamin-D is produced in human body in                           [WB JEE]
  A)
  muscles done clear
  B)
  nerves done clear
  C)
  skin                   done clear
  D)
  bone-marrow done clear
  View Solution play_arrow

• question_answer40)
  Most abundant mineral of animal body is                           [WB JEB]
  A)
  iron                   done clear
  B)
  sodium done clear
  C)
  potassium          done clear
  D)
  calcium done clear
  View Solution play_arrow

• question_answer41)
  Bile salts act as activator of which enzyme?                                    [WB JEE]
  A)
  Pepsinogen         done clear
  B)
  Trypsinogen done clear
  C)
  Lipase   done clear
  D)
  Pancreatic amylase done clear
  View Solution play_arrow

• question_answer42)
  When breast feeding is replaced by less nutritive foodlow in proteins and calories; the infants below the age ofone year are likely to suffer from                             [CBSE AGPMT]
  A)
  marasmus done clear
  B)
  rickets done clear
  C)
  kwashiorkor        done clear
  D)
       pellagra done clear
  View Solution play_arrow

• question_answer43)
  Which one of the following pairs of food components in humans reaches the stomach totally undigested?                                                                                                                       [CBSE AIPMT]
  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 Solution play_arrow

• question_answer44)
  A young infant may be feeding entirely on mother's milk, which is white in colour but the stools, which theinfant passes out is quite yellowish. This yellow colouris due to                                                 [CBSE AIPMT]
  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 Solution play_arrow

• question_answer45)
  Which one of the following statements is true regarding digestion and absorption of food in humans?                                                                                                                  [CBSE AIPMT]
  A)
  Oxyntic cells in our stomach secrete the proenzymepepsinogen done clear
  B)
  Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like\[\text{N}{{\text{a}}^{\text{+}}}\] 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 Solution play_arrow

• question_answer46)
  Complete the equation. Nucleic acids \[\xrightarrow[{}]{\text{Nucleases}}\]Nucleotides\[\xrightarrow[{}]{{}}\]                                                [AFMC]
  A)
  Monoglycerides done clear
  B)
       Diglycerides done clear
  C)
  Disaccharides        done clear
  D)
  Nucleosides done clear
  View Solution play_arrow

• question_answer47)
  Which of the following is an organic molecule neededby the body in small amounts?  [AFMC]
  A)
  Protein            done clear
  B)
  Zinc done clear
  C)
  Vitamin-C done clear
  D)
  Monosaccharide done clear
  View Solution play_arrow

• question_answer48)
  Secretin and cholecystokinin are digestive hormones. They are secreted in           [AFMC]
  A)
  oesophagus        done clear
  B)
  ileum done clear
  C)
  duodenum done clear
  D)
  pyloric done clear
  View Solution play_arrow

• question_answer49)
  FAD is a coenzyme derived from         [ADMS]
  A)
  riboflavin  done clear
  B)
  vitamin-\[{{\text{B}}_{\text{12}}}\] done clear
  C)
  thiamine           done clear
  D)
       niacin done clear
  View Solution play_arrow

• question_answer50)
  The pH of the digestive juices within the human smallintestine is between 7.5 and 8.5. This environment isslightly                        [AIIMS]
  A)
  basic                 done clear
  B)
  acidic done clear
  C)
  neutral   done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer51)
  Thiamine \[\text{(}{{\text{B}}_{\text{1}}})\]deficiency results in    [AIIMS]
  A)
  Wernicke's syndrome done clear
  B)
  Korsakoff's syndrome done clear
  C)
  osteonecrosis done clear
  D)
  tunnel vision done clear
  View Solution play_arrow

• question_answer52)
  Lipids, which can be found in oil based salad dressingsand ice cream, during digestion are splitted into[AIIMS]
  A)
  fatty acids and glycerol                 done clear
  B)
  glycerol and amino acids done clear
  C)
  glucose and fatty acids done clear
  D)
  glucose and amino acids done clear
  View Solution play_arrow

• question_answer53)
  Which one of the following disorders and characteristicis correctly matched?    [AIIMS]
  A)

  Cystic fibrosis-

  Production of thick mucus that clogs airways

  done clear
  B)

  Sickle cell -Anaemia

  Brain deterioration beginning at months of age

  done clear
  C)

  Achondroplasia-

  Extra fingers or toes

  done clear
  D)

  Huntington?s-disease

  Skeletal, eye and cardiovascular defects

  done clear
  View Solution play_arrow

• question_answer54)
              Crypts of Leiberkuhn are involved                                     [UPCPMT]
  A)
  secretion of succusentericus done clear
  B)
  secretion of rennin done clear
  C)
  secretion of ptyalin          done clear
  D)
  digestion of food done clear
  View Solution play_arrow

• question_answer55)
  Deficiency of vitamin-\[{{\text{B}}_{\text{12}}}\] causes                                      [BHU; Haryana PMT; WB JEE]
  A)
  cheilosis done clear
  B)
  thalassemia done clear
  C)
  beri-beri done clear
  D)
  perniciousanaemia done clear
  View Solution play_arrow

• question_answer56)
  Glisson's capsules are found, in which organ of mammals?                                       [BHU]
  A)
  Stomach             done clear
  B)
  Kidney done clear
  C)
  Testis               done clear
  D)
  Liver done clear
  View Solution play_arrow

• question_answer57)
  Production of glucose from amino acids, fatty acids andglycerol is called        [BHU]
  A)
  glycogenesis       done clear
  B)
  gluconeogenesis done clear
  C)
  glycogenolysis done clear
  D)
  glycolysis done clear
  View Solution play_arrow

• question_answer58)
  Dental formula of rabbit is                  [AMU]
  A)
  \[\text{I}\frac{\text{2}}{\text{1}}\text{C}\frac{\text{0}}{\text{0}}\text{Pm}\frac{\text{3}}{\text{2}}\text{M}\frac{\text{3}}{\text{3}}\] done clear
  B)
  \[\text{I}\frac{\text{1}}{\text{2}}\text{C}\frac{\text{0}}{\text{2}}\text{Pm}\frac{\text{2}}{\text{0}}\text{M}\frac{\text{3}}{\text{3}}\] done clear
  C)
  \[\text{I}\frac{\text{1}}{\text{2}}\text{C}\frac{\text{0}}{\text{2}}\text{Pm}\frac{\text{3}}{\text{0}}\text{Pm}\frac{\text{3}}{\text{3}}\] done clear
  D)
  \[\text{I}\frac{\text{2}}{\text{2}}\text{C}\frac{\text{1}}{\text{1}}\text{Pm}\frac{\text{2}}{\text{2}}\text{M}\frac{\text{3}}{\text{3}}\] done clear
  View Solution play_arrow

• question_answer59)
  Pellagra is caused by deficiency of                                     [WB JEE, DUMET]
  A)
  pyridoxine          done clear
  B)
  niacin done clear
  C)
  folic acid            done clear
  D)
  biotin done clear
  View Solution play_arrow

• question_answer60)
  Inadequate protein intake leads to kwashiorkor. Thesubsequent oedema is most closely related toinadequate synthesis of which protein?                                                 [DUMET]
  A)
  Gamma globulin done clear
  B)
       Glucagon done clear
  C)
  Insulin               done clear
  D)
  Albumin done clear
  View Solution play_arrow

• question_answer61)
  Osteomalacia is due to deficiency of                                  [WB JEE, DUMET]
  A)
  vitamin-A            done clear
  B)
  vitamin-C            done clear
  C)
  vitamin-E            done clear
  D)
  vitamin-D done clear
  View Solution play_arrow

• question_answer62)
  In the absence of enterokinase, the digestion of????would be affected in our intestine.                    [Manipal]
  A)
  maltose done clear
  B)
  amino acid done clear
  C)
  albumin done clear
  D)
  starch done clear
  View Solution play_arrow

• question_answer63)

  Compare the statement 'A' with 'B' and select A; correct description.

  Statement A Blood sugar level falls rapidly after keratectomy.

  Statement B The glycogen of the liver is the principal source of blood sugar.       [Manipal]

  A)
  Both the statement A and B are correct and B is the reason for A done clear
  B)
  Statement A is correct and B is wrong done clear
  C)
  Statement A is wrong and B is correct done clear
  D)
  Both the statement A and B are correct and B is not the reason for A done clear
  View Solution play_arrow

• question_answer64)
  Match column I with column II and choose the correct option.                                  [Kerala CEE]
  A)
              A-5       B-4       C-1       D-2       E-3 done clear
  B)
              A-2       B-3       C-4       D-5       E-1 done clear
  C)
              A-2       B-4       C-3       D-1       E-5 done clear
  D)
              A-3       B-5       C-2       D-1       E-4 done clear
  E)
              A-4       B-5       C-1       D-2       E-4 done clear
  View Solution play_arrow

• question_answer65)
  The essential vitamin for blood coagulation is                                             [Kerala CEE]
  A)
  vitamin-\[{{\text{B}}_{\text{6}}}\]         done clear
  B)
  vitamin-A done clear
  C)
  vitamin-K  done clear
  D)
  vitamin-E done clear
  E)
  vitamin-D done clear
  View Solution play_arrow

• question_answer66)
  Which combination is mismatched?                                               [Haryana PMT]
  A)
  Vitamin-D-Rickets done clear
  B)
       Thiamine-Beri-beri done clear
  C)
  Vitamin-K-Sterility           done clear
  D)
  Niacin-Pellagra done clear
  View Solution play_arrow

• question_answer67)
  Which one of the following pairs is not correctlymatched?                               [JCECE]
  A)
  Vitamin\[\text{-}{{\text{B}}_{12}}\] - Pernicious anaemia done clear
  B)
  Vitamin\[\text{-}{{\text{B}}_{6}}\]-Loss of appetite done clear
  C)
  Vitamin-Bi - Beri-beri done clear
  D)
  Vitamin\[\text{-}{{\text{B}}_{2}}\] - Pellagra done clear
  View Solution play_arrow

• question_answer68)
  Examination of blood of a person suspected of havinganaemia,   shows   large,   immature,  nucleatedtrysrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate hissymptoms? [JCECE]
  A)
  Tluamine done clear
  B)
  Folic acid and cobalamin done clear
  C)
  Riboflavin                      done clear
  D)
  Iron compounds done clear
  View Solution play_arrow

• question_answer69)
  The major site of protein breakdown to form free amino acids is in the environment of [WB JEE]
  A)
  kidney   done clear
  B)
  spleen           done clear
  C)
  liver                  done clear
  D)
  bone-marrow done clear
  View Solution play_arrow

• question_answer70)
  Which one is not true about vitamins?                                                                   [J&K CET]
  A)
  Vitamins are organic catalysts done clear
  B)
  Vitamins are indispensable for life done clear
  C)
  Vitamins act as a source of energy done clear
  D)
  Tocopherol is anti-sterility vitamin done clear
  View Solution play_arrow

• question_answer71)
  The malnutrition disease in man is[J&K CET]
  A)
  Cri-du-chat syndrome done clear
  B)
  Klinefelter's syndrome done clear
  C)
  Potbelly syndrome done clear
  D)
  Edward's syndrome done clear
  View Solution play_arrow

• question_answer72)
  The process of resynthesis of food materials from simpler food molecules is called                                [J&K CET]
  A)
  biosynthesis        done clear
  B)
  catabolism done clear
  C)
  absorption          done clear
  D)
  assimilation done clear
  View Solution play_arrow

• question_answer73)
  Which one of the following is the correct matching of the site of action on the given substrate, the enzymeacting upon it and the end-product?
  A)
  Duodenum - Triglycerides\[\xrightarrow[{}]{\text{Trypsin}}\]Monoglycerides done clear
  B)
  Siaall intestine- Starch \[\xrightarrow[{}]{\text{ }\!\!\alpha\!\!\text{ -Amylase}}\]Disaccharide (maltose) done clear
  C)
  Small intestine-Proteins\[\xrightarrow[{}]{\text{Pepsin}}\]Amino acids done clear
  D)
  Stomach -     Fats \[\xrightarrow[{}]{\text{Lipase}}\] Micelles done clear
  View Solution play_arrow

• question_answer74)
  What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?    [CBSE AIPMT]
  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\[\text{HCl}\] secretion, inactive pepsinogenis not converted into the active enzyme pepsin done clear
  D)
  Enterokinase will not be released from me duodenalmucosa and so trypsinogen is not converted to trypsin done clear
  View Solution play_arrow

• question_answer75)
  Which one of the following pairs of the kinds of cellsand their secretion are correctly matched?              [AIIMS]
  A)

  Oxyntic cells -

  A secretion with pH between 2.0 and 3.0

  done clear
  B)

  Alpha cells of islets -

  Secretion that decreases blood sugar level

  done clear
  C)

  Kupffer?s cells -

  A digestive enzyme that hydrolyses nucleic acids

  done clear
  D)

  Sebaceous glands-

  A secretion that evaporates for cooling

  done clear
  View Solution play_arrow

• question_answer76)
  In an experiment, freshly hatched larvae of an insect (Khapra beetle) were reared on a basal diet (completediet without cholesterol) with increasing amounts of cholesterol. Results obtained are shown in given the graph.                                                                                                                         [AIIMS] The graph indicates
  A)
  cholesterol is an essential dietary requirementofKhapra beetle done clear
  B)
  growth of Khapra beetle is directly proportional tocholesterol concentration done clear
  C)
  cholesterol concentration of 2 \[\text{ }\!\!\mu\!\!\text{ g/g}\] diet is theoptimum level done clear
  D)
  growth of Khapra beetle is inhibited when cholesterol concentration exceeds 2 \[\text{ }\!\!\mu\!\!\text{ g/g}\] diet done clear
  View Solution play_arrow

• question_answer77)
  Kupffer's cells are present in          [UP CPMT]
  A)
  liver                  done clear
  B)
  small intestine done clear
  C)
  pancreas            done clear
  D)
  thyroid gland done clear
  View Solution play_arrow

• question_answer78)
  The islets of Langerhans are found in                                 [UP CPMT]
  A)
  pancreas done clear
  B)
       stomach done clear
  C)
  liver                  done clear
  D)
  alimentary canal done clear
  View Solution play_arrow

• question_answer79)
  Which of the following enzymes digests protein in stomach?                                  [AMU]
  A)
  Trypsin          done clear
  B)
  Pepsin done clear
  C)
  Erepsin  done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer80)
  Which of the following is/are essential fatty acids forman?                                        [BHU]
  A)
  Arachidonic acid done clear
  B)
       Linolenic acid done clear
  C)
  Linoleic acid        done clear
  D)
    All of these done clear
  View Solution play_arrow

• question_answer81)
  Which-part of our body secretes the hormone secretin?                                 [BHU]
  A)
  Ileum                done clear
  B)
  Stomach done clear
  C)
  Duodenum done clear
  D)
       Esophagus done clear
  View Solution play_arrow

• question_answer82)
  Which of the following is not a function of liver?                          [DUMET]
  A)
  Production of bile done clear
  B)
  Production of insulin done clear
  C)
  Glycogen storage done clear
  D)
  Detoxification done clear
  View Solution play_arrow

• question_answer83)
  The stored food in animals is called   [DUMET]
  A)
  cellulose done clear
  B)
       starch done clear
  C)
  glucose done clear
  D)
  glycogen done clear
  View Solution play_arrow

• question_answer84)
  In which layer of the wall of alimentary canal, secretary glands are present?     [Guj CET]
  A)
  Serosa   done clear
  B)
              Mucosa done clear
  C)
  Muscularis          done clear
  D)
  Submucosa done clear
  View Solution play_arrow

• question_answer85)
  Which of the following is correct match for column I and column II?

  Column I	Column II
  A. Retinol	1. Inhibits oxidation of unsaturated
  B. Tocoferol	2. Absorption for maintenance of epithelial tissue
  C. Calciferol	3. Essential for maintenance of epithelial tissue
  D. Menadione	4. Helps in clotting of blood
  E. Assorbic acid	5. Required for amino acid metabolism

  [Guj CET]
  A)
              A-3       B-2       C-4       D-5       E-1 done clear
  B)
              A-2       B-3       C-1       D-4       E-5 done clear
  C)
              A-3       B-1       C-2       D-4       E-5 done clear
  D)
              A-4       B-1       C-2       D-3       E-5 done clear
  View Solution play_arrow

• question_answer86)
  Secretion of pancreatic juice is stimulated by                                                          [Haryana  PMT]
  A)
  gastrin   done clear
  B)
  secretin done clear
  C)
  enterogasterone   done clear
  D)
       enterokinase done clear
  View Solution play_arrow

• question_answer87)
  Bile secretion is proportional to the concentration of                      [Haryana PMT]
  A)
  protein   done clear
  B)
  fat done clear
  C)
  carbohydrate      done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer88)
  During starvation, what will be sequence of ending of food stuffs?                          [BCECE]
  A)
  Carbohydrate-fat-protein done clear
  B)
  Carbohydrate-protein-fat done clear
  C)
  Fat-protein-carbohydrate done clear
  D)
  Fat-carbohydrate-protein done clear
  View Solution play_arrow

• question_answer89)
  Bile salts help in                                  [BCECE]
  A)
  digestion of fat done clear
  B)
  digestion and absorption of fat done clear
  C)
  digestion of protein done clear
  D)
  digestion of protein and fat done clear
  View Solution play_arrow

• question_answer90)
  Crypts of Leiberkuhn are present in                                    [BCECE]
  A)
  small intestine      done clear
  B)
    liver done clear
  C)
  stomach done clear
  D)
  colon done clear
  View Solution play_arrow

• question_answer91)
  Digestion of protein is completed in [JCECE]
  A)
  stomach done clear
  B)
  duodenum          done clear
  C)
    ileum     done clear
  D)
  Both [b] and [c] done clear
  View Solution play_arrow

• question_answer92)
         Deamination occurs in                   [JCECE]
  A)
  kidney   done clear
  B)
  liver                  done clear
  C)
  nephron done clear
  D)
  Both [a] and [b] done clear
  View Solution play_arrow

• question_answer93)
  Succusentericus is                    [JCECE]
  A)
  intestinal juice done clear
  B)
  gastric juice         done clear
  C)
      bile juice             done clear
  D)
  salivary juice done clear
  View Solution play_arrow

• question_answer94)
  Which one of the following is a fat-soluble vitamin its related deficiency disease?         [CBSE AIPMT]
  A)
  Ascorbic acid - Scurvy                        done clear
  B)
  Retinol ? Xerophthalmia done clear
  C)
  Cobalamin - Beri-beri done clear
  D)
  Calciferol ? Pellagra done clear
  View Solution play_arrow

• question_answer95)
  Among mammals, a significant role in the digestion of milk is played by              [AFMC]
  A)
  rennin    done clear
  B)
  invertase done clear
  C)
  amylase done clear
  D)
  intestinal bacteria done clear
  View Solution play_arrow

• question_answer96)
  Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to           [AIIMS]
  A)
  vitamin-A toxicity done clear
  B)
  kidney stones done clear
  C)
  hypercholesterolemia done clear
  D)
  urine laden with ketone bodies done clear
  View Solution play_arrow

• question_answer97)
  Which of the following is true for vitamin-C?                                                           [UP CPMT
  A)
  Also called as ascorbic acid done clear
  B)
  Also called as fumaric acid done clear
  C)
  Obtained from citrus fruits done clear
  D)
  Both [a] and [c] done clear
  View Solution play_arrow

• question_answer98)
  Part of bile juice useful in digestion is                                             [UP CPMT]
  A)
  bile salt      done clear
  B)
  bile pigment done clear
  C)
  bile matrix           done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer99)
  Enterogasterone is                           [UP CPMT]
  A)
  hormone secreted by gastric mucosa done clear
  B)
  enzyme secreted by mucosa done clear
  C)
  hormone secreted by duodenal mucosa done clear
  D)
  secreted by endocrine gland related to digestion done clear
  View Solution play_arrow

• question_answer100)
  Which of the following has the highest pH?                                     [AMU]
  A)
  Gastric juice       done clear
  B)
       Bile done clear
  C)
  Pancreatic juice done clear
  D)
  Secretions of the intestinal glands done clear
  View Solution play_arrow

• question_answer101)
  Enterokinase converts                              [AMU]
  A)
  trypsinogen to trypsin done clear
  B)
  pepsinogen to pepsin done clear
  C)
  chymotrypsin to pepsinogen done clear
  D)
  pepsub to chymotrypsin done clear
  View Solution play_arrow

• question_answer102)
  Which one of the following amino acids is an essential jut of human diet?                 [AMU]
  A)
  Glycine              done clear
  B)
  Phenylalanine done clear
  C)
  done clear
  D)
  Serine               done clear
  E)
       Aspartic acid done clear
  View Solution play_arrow

• question_answer103)
  Sacculusrotundas is a dilated part at posterior end of                                                        [BHU]
  A)
  ileum     done clear
  B)
  esophagus          done clear
  C)
  ileum     done clear
  D)
  colon done clear
  View Solution play_arrow

• question_answer104)
  Which vitamin should not be stored?        [BHU]
  A)
  Calciferol           done clear
  B)
  Retinol done clear
  C)
  Niacin       done clear
  D)
  Ascorbic acid done clear
  View Solution play_arrow

• question_answer105)
  Liver of man is                                       [BHU]
  A)
  bilobed  done clear
  B)
  three-lobed done clear
  C)
  four-lobed           done clear
  D)
      five-lobed done clear
  View Solution play_arrow

• question_answer106)
  The beri-beri is a paralytic disease caused by the deficiency of vitamin-Bi (thiamine). It was discoveredby                                                                                                                                               [Punjab PMET]
  A)
  Funk       done clear
  B)
  G E Foxon done clear
  C)
  Eijkman     done clear
  D)
  Stanley done clear
  View Solution play_arrow

• question_answer107)
  Which of the following is involved in the catalysis of link reaction during aerobic respiration?     [Punjab PMET]
  A)
  Vitamin-A           done clear
  B)
  Vitamin-\[{{\text{B}}_{1}}\] done clear
  C)
  Vitamin-\[{{\text{B}}_{\text{6}}}\]        done clear
  D)
  Vitamin-K done clear
  View Solution play_arrow

• question_answer108)
  Digestive enzymes are                     [DUMET]
  A)
  hydrolases done clear
  B)
  oxidoreductases done clear
  C)
  transferees          done clear
  D)
  lyases done clear
  View Solution play_arrow

• question_answer109)
  Pepsinogen is secreted by                 [DUMET]
  A)
  chief cells  done clear
  B)
  oxyntic cells done clear
  C)
  mast cells             done clear
  D)
  parietal cells done clear
  View Solution play_arrow

• question_answer110)
  Maximum percentage of lipoprotein is in                                          [DUMET]
  A)
  chylomicron       done clear
  B)
       HDL done clear
  C)
  arthritis  done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer111)
  Succusentericus is secreted by              [KCET]
  A)
  crypts of Leiberkuhn done clear
  B)
  Brunner's glands done clear
  C)
  Both [a] and [b] done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer112)
  Which of the following is a water soluble vitamin?                                       [Kerala CEE]
  A)
  Vitamin-A           done clear
  B)
  Vitamin-B done clear
  C)
  Vitamin-D           done clear
  D)
  Vitamin-E done clear
  E)
  Vitamin-K done clear
  View Solution play_arrow

• question_answer113)

  Consider the following statements.

  I. The anti-pellagra vitamin is nicotinamide present in milk, yeast, meat and leafy vegetables.

  II. Crypts of Leiberkuhn are present in the liver.

  III. Steapsin is the pancreatic amylase.         [Kerala CEE]

  A)
  I and II correct     done clear
  B)
    II and III correct done clear
  C)
  I and III incorrect done clear
  D)
     I and III correct done clear
  E)
  II and III incorrect done clear
  View Solution play_arrow

• question_answer114)
  Find out the correctly matched pair.                                              Kerala CEE]
  A)
  Pepsinogen         - Zymogenic cells done clear
  B)
  (b)\[\text{HCl}\]                         - Goblet cells done clear
  C)
  Mucus                           - Oxyntic cells done clear
  D)
  Pancreatic juice - Salivary glands done clear
  E)
  Ptyalin                          - Acinar cells done clear
  View Solution play_arrow

• question_answer115)
  Find out the correct match and choose the correctoption.

  Column I	Column II
  A. Hepatic, lobule B. Brunner?s  glands C. Crypts of Leiberkuhn D. Sphincter of Oddi E. Cystic duct	Sub-mucosal glands 2. Base of villi 3. Glisson?s capsule 4. Gall bladder 5. Hepato-pancreatic duct 6. Serous glands

  [Kerala CEE]
  A)
  A-3       B-6       C-2       D-5       E-4 done clear
  B)
  A-5       B-2       C-3       D-6       E-1 done clear
  C)
  A-3       B-1       C-2       D-5       E-4 done clear
  D)
  A-4       B-6       C-5       D-2       E-1 done clear
  E)
  A-4       B-2       C-6       D-5       E-3 done clear
  View Solution play_arrow

• question_answer116)
  Duodenum has characteristic Brunner's gland, which secrete two hormones called                    [Manipal]
  A)
  kinase, oestrogen done clear
  B)
  secretin, cholecystokinin done clear
  C)
  prolactin, parathormone done clear
  D)
  oestradiol, progesterone done clear
  View Solution play_arrow

• question_answer117)
  If pancreas is removed, the compound, which remainsundigested is                       [MHT CET]
  A)
  carbohydrates done clear
  B)
       fats done clear
  C)
  proteins done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer118)
  Which of the following animals eats its prey?                                                          [MHT GET]
  A)
  Leech               done clear
  B)
  Starfish done clear
  C)
  Sepia     done clear
  D)
  Both [b] and [c] done clear
  View Solution play_arrow

• question_answer119)
  Continuous bleeding from an injured part of body is due to deficiency of                [RP MT]
  A)
  vitamin-A            done clear
  B)
  vitamin-B done clear
  C)
  vitamin-K  done clear
  D)
  vitamin-E done clear
  View Solution play_arrow

• question_answer120)
  Which of the following processes will be affected by the absence of enterokinase?                                 [Guj CET]
  A)
  Lipid \[\to \] Fatty acid + Glycerol done clear
  B)
  Dipeptides \[\to \] Amino acid done clear
  C)
  Proteases \[\to \] Dipeptide done clear
  D)
  Amylase \[\to \] Maltose done clear
  View Solution play_arrow

• question_answer121)
  Deficiency of which vitamin, causes loss of appetite, mental confusion, fatigue and muscle depreciation?                                                                                                            [Guj CET]
  A)
  Vitamin-K           done clear
  B)
  Vitamin-C done clear
  C)
  Thiamine   done clear
  D)
  Riboflavin done clear
  View Solution play_arrow

• question_answer122)
  Which of the following is a correct dental formula for the child falling under age group 5 to 6 yr?           [Guj CET]
  A)
  12/2, C1/1, Pm 2/2, M 0/0 done clear
  B)
  12/2, C1/1, Pm2/2, M3/3 done clear
  C)
  11/1, C2/2, Pm2/2, M3/3 done clear
  D)
  12/2, C2/2, Pm1/1, M3/3 done clear
  View Solution play_arrow

• question_answer123)
  Medium, in which pepsin is active?                                    [Haryana PMT]
  A)
  Neutral                          done clear
  B)
  Alkaline done clear
  C)
  Acidic        done clear
  D)
  Isotonic done clear
  View Solution play_arrow

• question_answer124)
  Treatment with alloxan destroys                                                    [Haryana PMT]
  A)
  STH cells done clear
  B)
  alpha cells of islet of Langerhans done clear
  C)
  beta cells of islets of Langerhans done clear
  D)
  cells of Leydig done clear
  View Solution play_arrow

• question_answer125)
  The contraction of gall bladder is due to                                                     [BCECE]
  A)
  gastrin   done clear
  B)
  cholecystokinin done clear
  C)
  secretin  done clear
  D)
       kinase done clear
  View Solution play_arrow

• question_answer126)
  The deficiency of a vitamin, which causeskeratomalacia is                   [J&K CET]
  A)
  vitamin-K           done clear
  B)
  vitamin-D done clear
  C)
  vitamin-A  done clear
  D)
  vitamin-E done clear
  View Solution play_arrow

• question_answer127)
  Angiotensinogen is a protein produced and secreted by                                [CBSEAIPMT]
  A)
  maculadensa cells done clear
  B)
  endothelial cells (cells lining the blood vessels) done clear
  C)
  liver cells done clear
  D)
  juxtaglomerular (JG) cells done clear
  View Solution play_arrow

• question_answer128)
  Reverse flow of food in the stomach of rabbit is prevented by                             [AFMC]
  A)
  pyloric sphincter      done clear
  B)
  ileo-caecal valve done clear
  C)
  cardiac sphincter     done clear
  D)
  uvula done clear
  View Solution play_arrow

• question_answer129)
  The vitamin, synthesized by bacteria is [AMU]
  A)
  B          done clear
  B)
  D           done clear
  C)
  K               done clear
  D)
       E done clear
  View Solution play_arrow

• question_answer130)
  Curdling of milk in small intestine takes place due to                                                           [AMU]
  A)
  trypsm   done clear
  B)
  rennin       done clear
  C)
  ptyalin   done clear
  D)
  chymotrypsin done clear
  View Solution play_arrow

• question_answer131)
  Scurvy is caused due to deficiency of vitamin                                             [AMU]
  A)
  B             done clear
  B)
  A done clear
  C)
  E                      done clear
  D)
  C done clear
  View Solution play_arrow

• question_answer132)
  Vitamin-D is synthesized in skin by the action of sunlighton                                       [BHU]
  A)
  cholesterol done clear
  B)
  7-hydroxy cholesterol done clear
  C)
  cephalin cholesterol done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer133)
  In which of the following organ, putrefying bacteria are present?                              [BHU]
  A)
  Intestine    done clear
  B)
              Colon done clear
  C)
  Stomach              done clear
  D)
  Liver done clear
  View Solution play_arrow

• question_answer134)
  Which of the following is the largest gland in an adult man?                                                  [BHU]
  A)
  Thymus             done clear
  B)
  Liver done clear
  C)
  Thyroid             done clear
  D)
  Pancreas done clear
  View Solution play_arrow

• question_answer135)
  Which is not used up in human body?                                                       [Punjab PMET]
  A)
  Calcium             done clear
  B)
  Phosphorus done clear
  C)
  Zinc                done clear
  D)
  Barium done clear
  View Solution play_arrow

• question_answer136)
  Pancreatic secretion and gall bladder contraction acstimulated by                                    [DUMET]
  A)
  gastrin   done clear
  B)
  enterocrinin done clear
  C)
  enterogasterone done clear
  D)
  cholecystokinin done clear
  View Solution play_arrow

• question_answer137)
  Which of the following are required in minimum amount by human?                                [DUMET]
  A)
  Iron, iodine, carbon, manganese, copper, oxygen done clear
  B)
  Iron, iodine, manganese, copper, zinc, fluorine done clear
  C)
  Iron, iodine, manganese, zinc, hydrogen done clear
  D)
  Nitrogen, oxygen, zinc, fluorine done clear
  View Solution play_arrow

• question_answer138)
  Which is a symbiont inside human intestine?                                                    [DUMET]
  A)
  Streptococcus pneumonias            done clear
  B)
  Neisseria meningitis done clear
  C)
  E. coli done clear
  D)
  Treponemapallidum\ done clear
  View Solution play_arrow

• question_answer139)
  Vitamin-\[{{\text{B}}_{\text{12}}}\] is available to ruminants by                 [DUMET]
  A)
  plants done clear
  B)
  microorganisms in caecum done clear
  C)
  animals             done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer140)
  In the homeostatic control of blood sugar level, which organs function respectively as modulator and effectors?                                     [KCET]
  A)
  Liver and islets of Langerhans done clear
  B)
  Hypothalamus and liver done clear
  C)
  Hypothalamus and islets of Langerhans done clear
  D)
  Islets of Langerhans and hypothalamus done clear
  View Solution play_arrow

• question_answer141)
  The following is a scheme showing the fate of carbohydrates during digestion in the human alimentarycanal. Identify the enzymes acting at stages indicated as A, B, C and D. Choose the correct option from those given.                    [KCET]
  A)

  A- Amylase, B - Maltase, C- Lactase, D- Invertase,

  done clear
  B)

  A - Amylase, B - Maltase, C - Invertsde, D- Lactase

  done clear
  C)

  A- Amylase, B- Invertase, C- Maltase, D- Lactase

  done clear
  D)

  A- Amylase, B- Lactase, C- Maltase, D- Invertase

  done clear
  View Solution play_arrow

• question_answer142)
  The main function of lacteals in the human smallintestine is the absorption of     [KCET]
  A)
  glucose and vitamins done clear
  B)
  amino acids and glucose done clear
  C)
  water and vitamins done clear
  D)
  fatty acids and glycerol done clear
  View Solution play_arrow

• question_answer143)
  The digestive enzyme that is not found in humanpancreatic juice is            [Kerala CEE]
  A)
  nucleotidase       done clear
  B)
  (b)nuclease done clear
  C)
  trypsin done clear
  D)
  lipase done clear
  E)
  amylase done clear
  View Solution play_arrow

• question_answer144)
  Which one is correctly matched? [Kerala CEE]
  A)
  Vitamin-E          - Thiamine done clear
  B)
  Vitamin-D          - Riboflavin done clear
  C)
  Vitamin-\[{{\text{B}}_{\text{1}}}\]        - Tocopherol done clear
  D)
  (d)Vitamin-A      -Calciferol done clear
  E)
  Vitamin-\[{{\text{B}}_{12}}\] - Cyanocobalamin done clear
  View Solution play_arrow

• question_answer145)
  The juice containing sodium glycocholate is released under the influence of [EAMCET]
  A)
  secretin  done clear
  B)
  cholecystokinin done clear
  C)
  enterogasterone done clear
  D)
  enterocrinin done clear
  View Solution play_arrow

• question_answer146)

  Note the following

  I. Dentition is heterodont.

  II. Canines are poorly developed.

  III. Incisors are chisel-like and poorly developed.

  IV. Herbivorous and diastema is present.

  V. The dental formula is 12/1, C 0/0, Pm 3/2, M 3/3Which of the above are true for Oryctolagus?         [EAM CET]

  A)
  I, II and IV           done clear
  B)
  I, IV and V done clear
  C)
  I, II, IV and V        done clear
  D)
      III, IV and V done clear
  View Solution play_arrow

• question_answer147)
  Match the following columns and choose the correctoption.                     

  Column I	Column II
  A. Naphthoquinone B. Niacin C. Ascorbic acid D. Calciferol E. Thiamine	1. Amino acid metabolism 2. Osteomalacia 3. Matix of cartilage 4. NAD 5. Prothrombin

  [EAM CET]
  A)
              A-5       B-3       C-1       D-4       E-1 done clear
  B)
              A-4       B-5       C-3       D-2       E-1 done clear
  C)
              A-5       B-4       C-3       D-2       E-1 done clear
  D)
  A-3       B-5       C-4       D-2       E-1 done clear
  View Solution play_arrow

• question_answer148)
  The epithelial cells lining the stomach of vertebrates is protected from damage by \[\text{HCl}\] because            [Manipal]
  A)
  hydrochloric acid is too dilute done clear
  B)
  the epithelial cells are resistant to the action of \[\text{HCl}\] done clear
  C)
  \[\text{HCl}\]is neutralized by alkaline gastric juice done clear
  D)
  the epithelial cells are covered with a mucoussecretion done clear
  View Solution play_arrow

• question_answer149)
  Starch is converted to maltose by the action of                                              [MHT CET]
  A)
  inverts   done clear
  B)
  amylase done clear
  C)
  sucrose  done clear
  D)
  maltase done clear
  View Solution play_arrow

• question_answer150)
  Which of the following is not a source of vitamin-A?                                             [RPMT]
  A)
  Carrot     done clear
  B)
  Mango done clear
  C)
  Apple               done clear
  D)
  Yeast done clear
  View Solution play_arrow

• question_answer151)
  Hardest part in animal body is               [RPMT]                                                    
  A)
  bone                 done clear
  B)
  hair done clear
  C)
  dentine  done clear
  D)
       enamel done clear
  View Solution play_arrow

• question_answer152)
  In horses, rabbits, hares, the cellulose gets digested in the                                      [RPMT]
  A)
  caecum done clear
  B)
  stomach done clear
  C)
  appendix           done clear
  D)
  rumen done clear
  View Solution play_arrow

• question_answer153)
  Pulp cavity of teeth is lined by              [RPMT]
  A)
  odontoblast         done clear
  B)
    chondroblast done clear
  C)
  osteoblast          done clear
  D)
  amyloblast done clear
  View Solution play_arrow

• question_answer154)
  Which of the following can be absorbed by hepaticcaeca?                                 [Guj CET]
  A)
  Glucose and amino acid done clear
  B)
  Glucose and lipid done clear
  C)
  Lipid                 done clear
  D)
  Glucose done clear
  View Solution play_arrow

• question_answer155)
  Which of the following is correct chronological order for enzyme activity of some enzymes taking part in protein digestion?                   [Guj CET]
  A)
  Pepsin \[\to \] Trypsin \[\to \] Peptidase done clear
  B)
  Pepsin \[\to \] Peptidase \[\to \]Trypsin done clear
  C)
  Trypsin \[\to \] Pepsin \[\to \] Peptidase done clear
  D)
  Peptidase \[\to \] Trypsin \[\to \]Pepsin done clear
  View Solution play_arrow

• question_answer156)
  Prolonged deficiency of thiamine in human diet maylead to                       [Haryana PMT]
  A)
  pellagra done clear
  B)
  beri-beri done clear
  C)
  anaemia            done clear
  D)
  haemorrhage done clear
  View Solution play_arrow

• question_answer157)
  Chief cells of gastric glands are                                          [Haryana PMT]
  A)
  simple tubular done clear
  B)
       coiled tubular done clear
  C)
  branched tubular done clear
  D)
  compound tubular done clear
  View Solution play_arrow

• question_answer158)
  Camassial teeth are modified for                                       [BCECE]
  A)
  crushing             done clear
  B)
  tearing done clear
  C)
  grinding             done clear
  D)
  cutting done clear
  View Solution play_arrow

• question_answer159)
  What is cholecystokinin?         [JCECE]
  A)
  Enzyme done clear
  B)
  Bile-pigment done clear
  C)
  Gastro-intestinal hormone done clear
  D)
  Lipid done clear
  View Solution play_arrow

• question_answer160)
  Secreting hormone is secreted from                                    [J&K CET]
  A)
  stomach and stimulates gastric gland done clear
  B)
  duodenum and stimulates liver done clear
  C)
  thyroid and stimulates thyroid gland done clear
  D)
  duodenum and stimulates pancreas 2005 done clear
  View Solution play_arrow

• question_answer161)
  Wisdom teeth are                         [AFMC]
  A)
  last molars done clear
  B)
  last premolars done clear
  C)
  incisors  done clear
  D)
  canines done clear
  View Solution play_arrow

• question_answer162)
  Cud chewing animals are known as                       [AFMC]
  A)
  frugivorous         done clear
  B)
  sanguivorous done clear
  C)
  ruminants done clear
  D)
  cannibals done clear
  View Solution play_arrow

• question_answer163)
  Which one of the following four secretions is correctly matched with its source, target and nature of action?                                          [AIIMS]
  A)

  Secretion	Source	Target	Action
  Gastrin	Stomach lining	Oxyntic cells	Production of \[\text{HCl}\]

  done clear
  B)

  Inhibin

  Sertoli cells

  Hypothalamus

  Inhibition of secretion of gonadotrop -in releasing hormone

  done clear
  C)

  Enterokinase

  Duodenum

  Gall bladder

  Release of bile juice

  done clear
  D)

  Atrial Natriuretic Factor

  Sinu Atrial Node M-cells of atria

  Juxtaglomeru-lar apparatus

  Inhibition of release of renin

  done clear
  View Solution play_arrow

• question_answer164)
  Chloragen cells help in                    [UP CPMT]
  A)
  respiration          done clear
  B)
  reproduction done clear
  C)
  circulation          done clear
  D)
  nutrition done clear
  View Solution play_arrow

• question_answer165)
  Maximum absorption of water occurs in                   [UP CPMT]
  A)
  colon     done clear
  B)
  rectum done clear
  C)
  large intestine      done clear
  D)
  small intestine done clear
  View Solution play_arrow

• question_answer166)
  'Digestion' word means                    [UP CPMT]
  A)
  burning of food   done clear
  B)
      oxidation of food done clear
  C)
  hydrolysis of food done clear
  D)
      breakdown of food done clear
  View Solution play_arrow

• question_answer167)
  Argentaffin may arise in                           [AMU]
  A)
  pancreas            done clear
  B)
  bile duct done clear
  C)
  gastro-intestinal tract done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer168)
  Chymotrypsin is produced by                  [AMU]
  A)
  liyer                  done clear
  B)
  pancreas done clear
  C)
  stomach done clear
  D)
       duodenum done clear
  View Solution play_arrow

• question_answer169)
  Which of the following fatty acids is not synthesized in the human body?                    [BHU]
  A)
  Glycerol  done clear
  B)
  Cholesterol done clear
  C)
  Linoleic acid        done clear
  D)
  Both [a] and [b] done clear
  View Solution play_arrow

• question_answer170)
  Which of the following vitamins is water soluble as well as an antioxidant?                           [BHU]
  A)
  Vitamin-\[{{\text{B}}_{\text{1}}}\]        done clear
  B)
  Vitamin-A done clear
  C)
  Vitamin-D           done clear
  D)
  Vitamin-C done clear
  View Solution play_arrow

• question_answer171)
  Acetylcholmesterase enzyme splits acetylcholine into                                             [Punjab PMET]
  A)
  acetone and choline done clear
  B)
  acetic acid and choline done clear
  C)
  aspartie acid and acetylcholine done clear
  D)
  amino acid and choline done clear
  View Solution play_arrow

• question_answer172)
  Wilson's disease is associated with the abnormalmetabolism of            [Punjab PMET]
  A)
  iron                   done clear
  B)
  potassium done clear
  C)
  iodine    done clear
  D)
       copper done clear
  View Solution play_arrow

• question_answer173)
  Which of the following metals is present in vitamin-\[{{\text{B}}_{\text{12}}}\]?                                    [DUMET]
  A)
  Cobalt       done clear
  B)
  Copper     done clear
  C)
  Zinc                done clear
  D)
  Magnesium done clear
  View Solution play_arrow

• question_answer174)
  Enzyme present in saliva is                 [DUMET]
  A)
  maltase done clear
  B)
  ptyalin done clear
  C)
  suerase  done clear
  D)
  invertase done clear
  View Solution play_arrow

• question_answer175)
  How many human teeth appear twice during the life span of an individual?                       [KCET]
  A)
  16                 done clear
  B)
  32 done clear
  C)
  22                  done clear
  D)
  20 done clear
  View Solution play_arrow

• question_answer176)
  Which of the following is called as a detritivore?                                                    [KCET]
  A)
  An animal feeding on decaying organic matter done clear
  B)
  An animal feeding on a plant done clear
  C)
  A plant feeding o an animal done clear
  D)
  An animal feeding on another animal done clear
  View Solution play_arrow

• question_answer177)

  Read the statements A and B.                [KCET]

  A. In human, small intestine is the longest portion of the alimentary canal.

  B. Absorption of digested food requires a very largesurface area.

  Identify the correct choice on the two statements.

  A)
  Statement A is correct, B is wrong  done clear
  B)
  Statement A and B are both correct done clear
  C)
  Both the statements are wrong done clear
  D)
  Statement B is correct, A is wrong done clear
  View Solution play_arrow

• question_answer178)
  The deficiency of this vitamin is known to causeabortion in early pregnancy of rat?        [EAMCET]
  A)
  Retinol              done clear
  B)
  Calciferol done clear
  C)
  Tocopherol         done clear
  D)
  Naphthoquinone done clear
  View Solution play_arrow

• question_answer179)
  Fats are emulsified by the bile juice because it contains                                                  [Manipal]
  A)
  enzyme  done clear
  B)
  esterase done clear
  C)
  bile salt      done clear
  D)
  bile pigment done clear
  View Solution play_arrow

• question_answer180)
  Salivary amylase is also known as      [Manipal]
  A)
  ptyalin done clear
  B)
  gastrin done clear
  C)
  glyoxylase          done clear
  D)
  pepsin done clear
  View Solution play_arrow

• question_answer181)
  Riboflavin is                                  [MHT GET]
  A)
  vitamin-\[{{\text{B}}_{\text{12}}}\]       done clear
  B)
       vitamin-\[{{\text{B}}_{\text{2}}}\] done clear
  C)
  vitamin-C            done clear
  D)
       vitamin-D done clear
  View Solution play_arrow

• question_answer182)
  Secretion of gastric juice is controlled by                             [BPMT]
  A)
  gastrin   done clear
  B)
  cholecystokinin done clear
  C)
  nterogastrin        done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer183)
  Wisdom teeth in human is                   [KPMT]
  A)
  3rd molar and 4 in number done clear
  B)
  3rd molar and 2 in number done clear
  C)
  2 "d molar and 4 in number done clear
  D)
  2 nd molar and 2 in number done clear
  View Solution play_arrow

• question_answer184)
  Bile helps in the digestion of fat through                             [Haryana PMT]
  A)
  emulsification done clear
  B)
  alkalinity done clear
  C)
  forming micelles  done clear
  D)
      All of these done clear
  View Solution play_arrow

• question_answer185)
  Pepsin is inactivated at pH        [Haryana PMT]
  A)
  below 3              done clear
  B)
  below 2 done clear
  C)
  above 5     done clear
  D)
  above 3 done clear
  View Solution play_arrow

• question_answer186)
  In the wall of alimentary canal, what is the actualsequence from outer to inner?          [Haryana PMT]
  A)
  Serosa, longitudinal muscle, mucosa, submucosa done clear
  B)
  Mucosa, serosa, longitudinal muscle done clear
  C)
  Serosa, longitudinal muscle, circular muscle, done clear
  D)
  submucosa, mucosa done clear
  E)
  Serosa, longitudinal muscle, submucosa, mucosa done clear
  View Solution play_arrow

• question_answer187)
  Rennin is secreted in which part of alimentary canal?                                                      [BCECE]
  A)
  Stomach    done clear
  B)
  Kidney done clear
  C)
  Duodenum         done clear
  D)
  Small intestine done clear
  View Solution play_arrow

• question_answer188)
  Substrate for the enzyme amylase is     [JCECE]
  A)
  nucleic acids        done clear
  B)
  protein done clear
  C)
  starch done clear
  D)
  fat done clear
  View Solution play_arrow

• question_answer189)
  Both the crown and root of a tooth is covered by a layer of bony hard substance called          [J&KCET]
  A)
  enamel  done clear
  B)
  dentine done clear
  C)
  bony socket         done clear
  D)
  cement done clear
  View Solution play_arrow

• question_answer190)
  Animals consuming only plant materials are referred as                                   [J&K CET]
  A)
  herbivorous        done clear
  B)
  carnivorous done clear
  C)
  omnivorous        done clear
  D)
  insectivorous 2004 done clear
  View Solution play_arrow

• question_answer191)
  The richest sources of vitamin-\[{{\text{B}}_{\text{12}}}\] are                               [CBSE AIPMT]
  A)
  goat's liver and Spirulina done clear
  B)
  chocolate and green gram done clear
  C)
  rice and hen's egg done clear
  D)
  carrot and chicken's breast done clear
  View Solution play_arrow

• question_answer192)
  Which of the following does not play a role in blood coagulation?                           [AFMC]
  A)
  Vitamin-K            done clear
  B)
  Vitamin-D done clear
  C)
  Calcium ions       done clear
  D)
    Fibrinogen done clear
  View Solution play_arrow

• question_answer193)
  The amount of bile released is proportional to the amount of [UP CPMT]
  A)
  fat in meal done clear
  B)
       protein in meal done clear
  C)
  carbohydrate in meal done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer194)
  Which of the following does not match?                             [UP CPMT]
  A)
  Pancreas            -           Glisson's capsule done clear
  B)
  Antigen -           Antibody done clear
  C)
  Thyroid -           Goitre done clear
  D)
  Enzyme             -           Substrate done clear
  View Solution play_arrow

• question_answer195)
  Which of the following part in cow's stomach is specialized for microbial digestion of plant material?       [AMU]
  A)
  Rumen              done clear
  B)
  Reticulum      done clear
  C)
  Abomasum          done clear
  D)
  Both [a] and [b] done clear
  View Solution play_arrow

• question_answer196)
  Camel in its hump, stores                         [AMU]
  A)
  water for emergency done clear
  B)
  fat for emergency done clear
  C)
  both fat and water for emergency done clear
  D)
  fat and proteins as reserve food for emergency done clear
  View Solution play_arrow

• question_answer197)
  The lacteals are found in                        [KCET]
  A)
  salivary glands     done clear
  B)
     villi done clear
  C)
  spleen    done clear
  D)
       mammary glands done clear
  View Solution play_arrow

• question_answer198)
  Compound saccular glands are              [KCET]      
  A)
  intestinal glands   done clear
  B)
     salivary glands done clear
  C)
  gastric glands       done clear
  D)
    endocrine glands done clear
  View Solution play_arrow

• question_answer199)
  Match the types of cells listed under column I with the secretions given under column II. Choose the answer, which gives the correct combination of alphabets of the two columns.

  Column I (Type of Cell)	Column II (Secretion)
  A. Beta cells B. Mast cells C. Paneth cells D. Acinar cells	1. Lysozyme 2. Mucus 3. Histamine 4. Insulin 5. Pancreatic enzymes

  [KCET]
  A)
              A-4       B-2       C-1       D-5 done clear
  B)
              A-5       B-2       C-3       D-4 done clear
  C)
              A-4       B-3       C-1       D-5 done clear
  D)
  (d)        A-2       B-3       C-1       D-5 done clear
  View Solution play_arrow

• question_answer200)
  Carboxypeptidase is an enzyme secreted by                                    [Kerala CEE]
  A)
  salivary gland      done clear
  B)
    stomach done clear
  C)
  gall bladder         done clear
  D)
    intestine done clear
  E)
  pancreas done clear
  View Solution play_arrow

• question_answer201)
  Which of the following scales are similar to mammalianteeth?                       [Kerala CEE]
  A)
  Cycloid              done clear
  B)
  Placoid done clear
  C)
  Ganoid               done clear
  D)
  Cninoid done clear
  E)
  Ctenoid done clear
  View Solution play_arrow

• question_answer202)
  Match the following and choose the correct combination from the given option.

  Column I	Column II
  A. Ptyalin B. Pepsin C. Steapsin D. Nuclease	1. Lipids 2. Starch 3. DNA 4. Proteins

  (Kerala CEE]
  A)
              A-1       B-3       C-2       D-4 done clear
  B)
              A-1       B-4       C-3       D-2 done clear
  C)
              A-2       B-4       C-1       D-3 done clear
  D)
              A-2       B-3       C-1       D-4 done clear
  E)
              A-4       B-3       C-1       D-2 done clear
  View Solution play_arrow

• question_answer203)
  The diagram below shows how things get to and from the liver. They are labelled as A, B, C, D, E and F. Which one of the following labellings is the correct one?                                [Kerala CEE]
  A)
  A is the hepatic portal vein and E is the hepatic vein done clear
  B)
  C is the intestine and F is the hepatic portal vein done clear
  C)
  D is the hepatic portal vein and F is the hepatic vein done clear
  D)
  B is the pancreatic artery and E is the hepatic artery done clear
  E)
  D is the hepatic portal vein and E is the hepatic vein done clear
  View Solution play_arrow

• question_answer204)
  The opening of the common bile duct is guarded by sphincter?                                      [EAMCET]
  A)
  Pyloric              done clear
  B)
  Ileo-caecal done clear
  C)
  Oddi                 done clear
  D)
  Muscularis mucosa done clear
  View Solution play_arrow

• question_answer205)
  Poison glands of snake are modified                      [MHT CET]
  A)
  sebaceous glands done clear
  B)
  ceruminous glands done clear
  C)
  salivary glands        done clear
  D)
  endocrine glands done clear
  View Solution play_arrow

• question_answer206)
  Vitamin-C is present as                         [RPMT]
  A)
  oxalic acid           done clear
  B)
  glutamic acid done clear
  C)
  ascorbic acid       done clear
  D)
     citric acid done clear
  View Solution play_arrow

• question_answer207)
  Cattle fed with spoilt hay to sweet clover, which contains dicumarol            [Haryana PMT]
  A)
  are healthier due to a good diet done clear
  B)
  catch infections easily done clear
  C)
  may suffer vitamin-K deficiency and prolonged bleeding done clear
  D)
  may suffer from beri-beri due to deficiency of vitamin-B done clear
  View Solution play_arrow

• question_answer208)
  The cells, which destroy worn out white and red blood cells, bacteria and micro-organisms passing from the liver are                             [BCECE]
  A)
  \[\text{ }\!\!\beta\!\!\text{ -}\]cells done clear
  B)
  T-cells                 done clear
  C)
  Kupffer's cells      done clear
  D)
  oxytocin cells            done clear
  View Solution play_arrow

• question_answer209)
  In human teeth, which helps in cutting?                  [BCECE]
  A)
  Canine              done clear
  B)
  Incisor done clear
  C)
  Molar               done clear
  D)
       Premolar done clear
  View Solution play_arrow

• question_answer210)
  Hydrochloic acid \[\text{(HCl)}\] is secreted by which of the following cells of stomach?[BCECE]
  A)
  Chief cells done clear
  B)
  Parietal cells (oxyntic cells) done clear
  C)
  Peptic cells                     done clear
  D)
  Goblet cells                    2003 done clear
  View Solution play_arrow

• question_answer211)
  Brunner's glands are located in            [AFMC]
  A)
  esophagus          done clear
  B)
  intestine done clear
  C)
  stomach done clear
  D)
  duodenum done clear
  View Solution play_arrow

• question_answer212)
  Least peristalsis occurs in                         [AMU]
  A)
  rectum   done clear
  B)
  stomach done clear
  C)
  oesophagus        done clear
  D)
  duodenum done clear
  View Solution play_arrow

• question_answer213)
  The true stomach in ruminants, where most of digestion takes place is                             [AMU]
  A)
  rumen   done clear
  B)
  omasum done clear
  C)
  reticulum           done clear
  D)
  abomasum done clear
  View Solution play_arrow

• question_answer214)
  Which one of the following is vestigial organ of human?                                                      [AMU]
  A)
  Hair        done clear
  B)
  Intestine       done clear
  C)
  Wisdom teeth      done clear
  D)
     Muscle of glottis done clear
  View Solution play_arrow

• question_answer215)
  The largest variety of digestive enzymes is found in                                                  [BHU]
  A)
  carnivores          done clear
  B)
  herbivores      done clear
  C)
  omnivores done clear
  D)
       parasites done clear
  View Solution play_arrow

• question_answer216)
  The layer of cells that secretes enamel of tooth is                                      [Punjab PMET]
  A)
  dentoblast          done clear
  B)
  ameloblast done clear
  C)
  osteoblast          done clear
  D)
  odontoblast done clear
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• question_answer217)
  Alcohol is present, in which of the following?                       [DUMET]
  A)
  Vitamin-D done clear
  B)
  Vitamin-\[{{\text{B}}_{\text{2}}}\] done clear
  C)
  Vitamin\[{{\text{B}}_{5}}\]       done clear
  D)
  Vitamin-C done clear
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• question_answer218)
  Which one of the following is antioxidant vitamin?                                            [DUMET]
  A)
  C, E and A done clear
  B)
  \[{{\text{B}}_{1}}\] and \[{{\text{B}}_{4}}\] done clear
  C)
  A, D and E          done clear
  D)
  \[{{\text{B}}_{3}}\] and \[{{\text{B}}_{5}}\] done clear
  View Solution play_arrow

• question_answer219)
  Which one of the following elements is essential for the life of animal and not for plants?          [DUMET]
  A)
  Calcium             done clear
  B)
  Iodine done clear
  C)
  Phosphorus         done clear
  D)
    Potassium done clear
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• question_answer220)
  The absorption of glycerol, fatty acids and monoglycerides takes place by the    [KCET]
  A)
  lymph vessels within the villi done clear
  B)
  wall of the stomach done clear
  C)
  colon done clear
  D)
  capillaries within the villi done clear
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• question_answer221)
  Which of the following represent bile salts?                                      [KCET]
  A)
  Hemoglobin and biliverdin done clear
  B)
  Bilirubin and biliverdin done clear
  C)
  Bilirubin and haemoglobin done clear
  D)
  Sodium glycocholate and taurocholate done clear
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• question_answer222)
  The digestion of starch by amylase is completed in the                                             [Kerala CEE]
  A)
  mouth done clear
  B)
  oesophagus done clear
  C)
  stomach done clear
  D)
  duodenum done clear
  E)
  ileum done clear
  View Solution play_arrow

• question_answer223)
  Crypts of Leiberkuhnare example for                                 [Kerala CEE]
  A)
  simple tubular gland done clear
  B)
  coiled tubular gland done clear
  C)
  compound alveolar gland done clear
  D)
  compound tubular gland done clear
  E)
  simple alveolar gland done clear
  View Solution play_arrow

• question_answer224)
  Deficiency of tocopherol in the human body causeswhich condition?               [Kerala CEE]
  A)
  Beri-beri done clear
  B)
       Pellagra done clear
  C)
  Infertility    done clear
  D)
  Scurvy done clear
  E)
  Pernicious anaemia done clear
  View Solution play_arrow

• question_answer225)
  Digestion and distribution of nutrients both functionsare performed by                     [RPMT]
  A)
  blastocoel          done clear
  B)
  coelom done clear
  C)
  spongocoel         done clear
  D)
  gastrovascular cavity done clear
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