{"id":40259,"date":"2024-02-19T08:26:26","date_gmt":"2024-02-19T02:56:26","guid":{"rendered":"https:\/\/www.aplustopper.com\/?p=40259"},"modified":"2024-02-19T12:53:15","modified_gmt":"2024-02-19T07:23:15","slug":"plus-one-zoology-chapter-wise-previous-questions-chapter-5","status":"publish","type":"post","link":"https:\/\/www.aplustopper.com\/plus-one-zoology-chapter-wise-previous-questions-chapter-5\/","title":{"rendered":"Plus One Zoology Chapter Wise Previous Questions Chapter 5 Digestion and Absorption"},"content":{"rendered":"
Question 1. Question 2. Question 3. Question 4. Question 5. Question 6. Question 7. Question 8. Question 9. Question 10. Question 11. Question 12. Question 13. Question 14. Question 15. Question 16. Kerala Plus One Zoology Chapter Wise Previous Questions Chapter 5 Digestion and Absorption Question 1. Observe the diagram: (MARCH-2010) a) Label the parts A and B. b) Even though concentrated HCl is stored in the stomach, it will not generally damage the stomach wall. Why ? Answer: a) A. Cardiac stomach B. Pyloric stomach b) […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[42728],"tags":[],"yoast_head":"\n
\nObserve the diagram: (MARCH-2010)<\/span>
\n<\/span>
\na) Label the parts A and B.
\nb) Even though concentrated HCl is stored in the stomach, it will not generally damage the stomach wall. Why ?
\nAnswer:
\na) A. Cardiac stomach
\nB. Pyloric stomach
\nb) Mucus and bicarbonates present in gastric juice protect the stomach wall.<\/p>\n
\nComplete the equation by filling a1<\/sub>, b1<\/sub>, and c1.\u00a0<\/sub>
\n
\nTrypsinogen is activated to trypsin by enterokinase. How chymotrypsinogen is activated to chymotrypsin? (SAY-2010)<\/span>
\nAnswer:
\na) a1) Lactase
\nb1) galactose
\nc1) glucose
\nb) Chymotrypsinogen is converted into chymotrypsin with the help of Trypsin<\/p>\n
\n\u201cThe end products of fat digestion are not absorbed directly into the bloodstream\u2019. Justify.\u00a0(MARCH-2011)<\/span>
\nAnswer:
\nThe end product of fat digestion (Fatty acids and glycerol) are insoluble in water. So they are not ab-sorbed as such into the blood.<\/p>\n
\nObserve the given diagram and answer the following questions.\u00a0(MARCH-2012)<\/span>
\n
\na) Identify the duct labelled A and the secretion it pours into the duodenum.
\nb) Mention two functions of secretion in digestion.
\nAnswer:
\na) Common bile duct
\nb) Emulsification of fat<\/p>\n
\nIs it possible to compare the water vascular system of phylum Echinodermata to circulatory system of man in some aspects? Justify your answer.\u00a0(SAY-2012)<\/span>
\nAnswer:
\nNo. It is involved emulsification or the conversion of large fat into fat droplets.<\/p>\n
\nRead the features of cell layers in the wall of human intestine.\u00a0(SAY-2013)<\/span>
\nIt consists of circular and longitudinal smooth muscles.
\nOuter thin layer formed of mesothelium.
\nA layer formed of loose connective tissue and nerves.
\nEpithelium with goblet cells to secrete muscus. Identify the cell layers and arrange them from inside to outside as seen in the section of intestine.
\nAnswer:
\nMucosa (Innermost layer) \u2192 submucosa \u2192 Mus- cularis \u2192 Serosa (outermost)<\/p>\n
\nSketch an outline (or a flow chart) of protein diges\u00action taking place in your alimentary canal.\u00a0(MARCH-2014)<\/span>
\nAnswer:
\n<\/p>\n
\nIdentify the odd one and write the common features of the other items.\u00a0(SAY-2014)<\/span>
\n(Caecum, Colon, Rectum, Renin)
\nAnswer:
\na) Peptic or chief cells which secrete the proenzyme pepsinogen
\nb) The proenzyme pepsinogen, on exposure to hydrochloric acid gets converted into the active enzyme pepsin, the proteolytic enzyme of the stomach
\nc) peptones (peptides)<\/p>\n
\nPro-enzyme pepsinogen is a protein digesting enzyme (inactive form) of the human digestive system.\u00a0(SAY-2014)<\/span>
\na) Name the digestive gland which secretes this enzyme.
\nb) How does pepsinogen change into its active form, pepsin?
\nc) Complete the following sentence:
\nPepsin converts proteins into proteoses and ………….
\nAnswer:
\na) Peptic or chief cells which secrete the proenzyme pepsinogen
\nb) The proenzyme pepsinogen, on exposure to hydrochloric aGid gets converted into the active enzyme pepsin, the proteolytic enzyme of the stomach
\nc) peptones (peptides)<\/p>\n
\nObserve the following figure.\u00a0(MARCH-2015)<\/span>
\na) Name the figure.
\nb) Label the parts A, B and D
\n
\nAnswer:
\na) Transverse section of gut
\nb) A-Serosa
\nB- Muscularis
\nD-Mucosa<\/p>\n
\nName any two secretions of exocrine glands.\u00a0(SAY-2015)<\/span>
\nAnswer:
\na) Trypsinogen
\nb) chymotrypsinogen<\/p>\n
\nConstruct a flow chart to demonstrate the digestion of proteins in different parts of human alimentary canal.\u00a0(SAY-2015)<\/span>
\n(Hint: Any three steps only)
\nAnswer:
\n<\/p>\n
\nFrom the following list, pick out the enzyme, that takes part in carbohydrate digestion.\u00a0(MARCH-2016)<\/span>
\n(Salivary amylase, peptidase, lipase, carboxy peptidase)
\nAnswer:
\nSalivary amylase<\/p>\n
\nIn human beings definition is \u2018heterodont\u2019. This condition means ……….(SAY-2016)<\/span>
\na) Presence of two types of teeth.
\nb) Presence of two sets of teeth.
\nc) Presence of different types of teeth.
\nd) Teeth are placed in sockets of jaw.
\nAnswer:
\nc) presence of different types of teeth<\/p>\n
\na) Observe the given diagram and identify the parts noted as A, B and C.\u00a0\u00a0(SAY-2016)<\/span>
\n
\nb) Write the role of secretion stored in Part A.
\nAnswer:
\na) A – Gall bladder
\nB – Duodenum
\nC – Pancreas
\nb) Emulsification of fat that help in fat digestion<\/p>\n
\nObserve the diagram and label A and B.\u00a0(MARCH-2017)<\/span>
\n
\nDental formula of permanent teeth in man is
\ni) \\(\\frac { 2122 }{ 2122 }\\)
\nii) \\(\\frac { 2123}{ 2123 }\\)
\niii) \\(\\frac { 2102 }{ 2102 }\\)
\niv) \\(\\frac { 2122 }{ 2122 }\\)
\nAnswer:
\nA – Canine
\nB – Molars
\nii) \\(\\frac { 2123}{ 2123 }\\)<\/p>\nPlus One Zoology Chapter Wise Previous Year Questions and Answer<\/a><\/h5>\n","protected":false},"excerpt":{"rendered":"