Answer all Questions 8 and 9 refer to the graph below, which shows the digestion of 3 types of food substances (X, Yand Z) along the alimentary canal. The width of each band indicates the amounts of the food substances.8. Digestion of which food substance(s) takes place in the stomach?X onlyX and Y onlyY onlyD X, Y and ZAB9.Food substances X, Y and Z areYAstarchproteinlipidsproteinsCproteinsBstarchlipidslipidsstarchmouthoeso-stomachsmalcoloncavityphagusintestineDlipidsstarchproteinsalimentary canal10. Which of the following is not a kind of physical digestion?AchewingBemulsification of lipids into small dropletsCchurningDbreakdown of polypeptides into amino acids11. Which of the following digestive juices contain amylase?(1) saliva(2) pancreatic juiceB (1) and (3) only(3) intestinal juice(1) and (2) onlyC ( 2) and (3) only(1), (2) and (3)A12. Which of the following events does not occur in the stomach?AProteins are broken down into peptides.BBacteria in food are killed by hydrochloric acid.CFood is digested by the churning action.DLipids are emulsified into small droplets.13. Which of the following combinations of the digestive juices in human digestive system and their sitesof production is incorrect?Digestive juiceSite of productionAsalivasalivary glandBgastric juicegastric glands on the stomach wallbilegall bladderDpancreatic juicepancreas14. Which of the following comparisons about enamel and dentine is incorrect?EnаmelDentineAwith calcium saltswithout calcium saltsBno living tissuewith living tissueCmore hardless hardDno nutrient supplywith nutrient supply 2:25 AM Fri 28 May72%11041601.PDF1.Which of the following statements about nutrition in humans is incorrect?ANutrition in humans takes place in the digestive system.ВDigestion of food starts in the mouth cavity.Assimilation of food refers to the uptake of food molecules into the blood.Egestion refers to the removal of undigested and unabsorbed materials from the body.2.Diagram I shows the teeth in a set of permanent teeth. Diagram IIshows a type of tooth in humans. Which of the labelled teeth indiagram I belong to the type of tooth in diagram II?Q and R onlyR and S onlyAP and Q onlyBCQ and S onlyDDiagramiDiagramrepaired partsThe X-ray photograph shows some teeth in human. The brighter parts weredecayed and repaired with fillings. Which part(s) of tooth X was/wererepaired with fillings?3.(1) dentine(2) enamel(3) pulp cavity(1) only(1) and (2) onlyA(2) onlyCD(1), (2) and (3)Which of the following statements about bile is incorrect?It is an alkaline fluid.4.AIt is produced by the liver.It contains a pigment which helps break down lipids into small droplets.It does not contain digestive enzymes.BD5. In which of the following digestive juices is lipase present?(1) saliva(2) pancreatic juice(3) intestinal juiceA(1) onlyB(2) onlyC(1) and (2) onlyD(2) and (3) only6.What is the purpose of chewing food into smaller pieces?АTo facilitate chemical digestion.BTo allow direct absorption.CTo speed up assimilation.DTo speed up egestion.7.Which of the following is the hardest structure of a tooth?AgumBenamelCdentineD pulp cavityQuestions 8 and 9 refer to the graph below, which shows the digestion of 3 types of food substances (X, Yand Z) along the alimentary canal. The width of each band indicates the amounts of the food substances.8. Digestion of which food substance(s) takes place in the stomach?

Here I have answered only Question 8 and 9. If answers of other questions are required then please…

Questions 8 and 9 refer to the graph below, which shows the digestion of 3 types of food substances (X, Y and Z) along the alimentary canal. The width of each band indicates the amounts of the food substances. 8. Digestion of which food substance(s) takes place in the stomach? A X only C X and Y only B Yonly D X, Y and Z

Questions 8 and 9 refer to the graph below, which shows the digestion of 3 types of food substances (X, Y and Z) along the alimentary canal. The width of each band indicates the amounts of the food substances. 8. Digestion of which food substance(s) takes place in the stomach? A X only C X and Y only B Yonly D X, Y and Z

Nutrition Now

8th Edition

ISBN:9781337415408

Author:Brown

Publisher:Brown

Chapter28: Nutrition And Physical Performance

Section: Chapter Questions

Problem 16RQ

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