Posted on : March 12, 2020 By Team thecourseshub 1. Which of the following is not a part of the human alimentary canal?EsophagusPancreasStomachDuodenum2. Which of the following part secrete only carbohydrate digesting enzymes? Oral cavity and esophagus Oral cavity, esophagus and small intestine Oral cavity and stomach Oral cavity3. The reflex which causes emptying of the rectum is Constipation Urination Diarrhoea Defecation4. Which of the following term best explains the consistency of chyme?LiquidSolidSemisolidEmulsion5. The enzyme which produces more glucose unitsSucraseMaltaseLactaseAmylose6. Brush border of ileum is formed byIntestinal foldsVilliMicrovilliLacteal 7. The salivary glands that produce only amylase areSublingualSubmandibularParotidSubmaxillary8. Color of feces is due to presence of Bile salts Bile pigments Sloughed off mucosal cells Bacterial flora9. The exchange of gases in alveoli of human lungs occurs byActive transportPassive transportSimple diffusionFacilitated diffusion10. Which of the following food products give maximum energy per gram consumption?CarbohydratesLipidsProteinsNucleic Acid11. Blood after systemic circulation when reaches back to heart, it takes ___ CO2/100 ml of blood3 ml4 ml2 ml5 ml12. Myoglobin transfers oxygen from Alveoli to RBC Haemoglobin to plasma Plasma to muscle cell Hemoglobin to muscle cell13. C shape cartilage is mainly present inBronchiBronchiolesTracheolesAir saes14. The common passageway for both food and air isLarynxTracheaPharynxNasal cavity15. The blind sae projecting from caecum isAppendixColonTransverse colonRectum16. Total incisors in maxilla of an adult are246817. When acidic chyme touches ______ wall, secretin hormone is releasedOesophagusStomachDuodenumJejunum18. Voice producting organ in humans is ______ but speech production is function of ________. Larynx, Nasal cavities Larynx, Pharynx Larynx, Tongue and lips Pharynx, Tongue and lips19. Chemical digestion of food from large polymers to small monomers is due toMixingHydrolysisGrindingSwallowing20. Hormonal secretion of gut is mainly from Endocrine cells Intestinal mucosa Goblet cells Pancreatic ducts21. Stomach performs all-important function except Mechanical digestion Storage of undigested food Temporary food storage Digestion of proteins22. Fatty acids and glycerols are produced by the action of Lactase on milk fats Bile salts on lipids Lipase on emulsified fats Pepsin on milk proteins23. Which types of muscles are involved in peristalsis?SkeletalSomaticSmoothCardiac 24. Lubrication and pH balance of saliva is mainly done byWater & MucusMucus & AmylaseWater & NaHCO3Mucus & NaHCO325. Which of the following is not related to bile? Green watery fluid Contains enzymes Stored in gall bladder Produced by liver26. Forceful expiration can take place in all exceptCoughingSpeakingSneezingSinging 27. The functional unit of lungs isTracheaAir saesAlveoliBrochiole28. Monomers of all kinds of food products and formed inEsophagusStomachSmall intestinePharynx29. The sensory role of tongue is involved in ______ of foodSelectionMasticationMixingSwallowing30. The position of glottis during swallowing Completely closed Partially closed Completely open Vertical in position31. Which of the follwing is not related to pancereatic juice?AmyloseTrypsinogenLipaseChymotrypsiongen32. Hollow peristalsis is referred asPyrosisConstipationAntiperistalsisHunger pangs33. Dilated part of alimentary canal that partly stores food and make discontinuous feeding possible is:StomachAppendixDuodenumColon34. The amount of air which remains in the lungs even after forceful expiration is0.5 liter3.5 liter1.5 liter5.0 liter35. Exclude one which is not secreted directly from gastric glandsHCIMucusPepsinogenPepsin36. The human digestive system can be associated with all functions except Digestion of cellulose Digestion of proteins Vitamin K production Breakdown of glycogen37. Pyrosis or Heartburn is the feeling due to Low pH food reflux Hunger pangs Peristalsis Anal sphincter38. Symbiotic Bacteria that produce vitamin K reside inIleumAnusCaecumColon39. The final product of trypsin isAmino acidsDipeptidesTripeptidesPolypeptides40. Main sites for gaseous exchange in human lungs areAlveoloBronchiBronchioleParabronchi41. Which of the following structure lacks cartilage?Trachea BronchiAlveolar ductTertiary bronchi42. Hb is mainly present inTissuesPlasmaRBCsLungs43. The end product of digestion in the stomach isBolusChyleMucusChyme44. All digested products enter into blood vessels of villi directly except Glucose Long-chain fatty acids Short-chain fatty acids Amino acids45. Which part of the alimentary canal has exocrine as well as endocrine function?Oral cavityLarge intestineStomachPancreas46. Artery that contains more CO2 as compared to othersPulmonaryAscending aortaFemoralIliac 47. The respiratory surface in humans is only ____ thick.1 cell2 cell3 cellLess than 1 cell48. Which of the following part is not involved in the digestion of food?Buccal cavityStomachSmall intestineLarge intestine49. The function of oral cavity accomplished by saliva isSelectionLubricationMasticationGrinding50. Which of the following is partially in the oral cavity?ProteinsStarchTriglyceridesVitamins51. Development of intestinal gas after consuming milk is due to indigestion ofLactose Lactase Maltase Renin52. Large amounts of fats are digested byGastric juiceIntestine juicePancreatic juiceSaliva Time is Up!