7.3. Physical digestion
A subsection of Biology, 0610, through 7. Human nutrition
Listing 10 of 109 questions
For Examiner's Use shows the digestive system. H G F E D C B A I Use the letters from to identify one place where each process occurs. amylase is secreted letter lipase is secreted letter protease is secreted letter bile is formed letter hydrochloric acid is released letter For Examiner's Use Enzymes are involved in chemical digestion. Describe the function of the enzyme lipase. The teeth are involved in physical digestion. shows a section through a tooth. R S T Name a mineral that is required for the development of healthy teeth. Name the parts labelled R, S and T as shown on . R S T For Examiner's Use Describe how dental decay is caused.
0610_s13_qp_21
THEORY
2013
Paper 2, Variant 1
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For Examiner's Use shows the human digestive system and associated organs. A H I B C D F G E Use letters from to identify the structures described. Each letter may be used once, more than once, or not at all. One structure where digestion of protein occurs. One structure where bile is stored. One structure where peristalsis happens. One structure where starch digestion occurs. One structure where amino acids are absorbed into the blood. For Examiner's Use State two functions of each of the structures labelled C and E on . structure C structure E
0610_w11_qp_21
THEORY
2011
Paper 2, Variant 1
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shows a structure found in the wall of the small intestine. Name the structure shown in . State one function of this structure. Table 8.1 contains information about the digestion of the three main types of food. Fill in the spaces to complete Table 8.1. Table 8.1 food type enzyme involved in digestion products of digestion starch simple sugar fat protein protease The products of protein digestion are carried away to the liver. State two ways in which the liver may deal with these products of protein digestion.
0610_w15_qp_22
THEORY
2015
Paper 2, Variant 2
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A person ate a meal containing starch and fat. shows some events that occurred after ingesting this meal. P absorption of nutrients in the villi Q assimilation of fatty acids in the liver R breakdown of large food particles by the teeth S movement of small food particles through the oesophagus T secretion of amylase from the salivary glands Put the events in into the correct sequence. One has been done for you. R The stomach lining contains cells that secrete proteins. State the names of two cell structures that are involved in making or secreting proteins. State the name of one component of gastric juice and describe its functions. There are goblet cells in many parts of the alimentary canal. State the substance that goblet cells secrete. Emulsification of fats occurs in the alimentary canal. Describe the process of emulsification of fats. State the name of the organ in the alimentary canal where fats are emulsified. State the name of the structure in the villi where digested fats are absorbed.
0610_w20_qp_43
THEORY
2020
Paper 4, Variant 3
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Questions Discovered
109