Biology Test in Digestion

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08.08.2019-23 views -Biology Test on Digestion

 Essay upon Biology Test on Digestive function

1 . Draw a diagram of a villus in vertical section.

(Total 5 marks)

installment payments on your Draw a diagram in the human gastrointestinal tract.

(Total 4 marks)

a few. Describe the role of enzymes along the way of digestive function of proteins, carbohydrates and lipids in humans. (Total 6 marks)

4. Pull a classed diagram of the digestive system.

(Total 5 marks)

5. Point out the options, substrate, merchandise, and the best possible pH circumstances for the enzyme amylase. (Total some marks)

six. Describe the role of enzymes in digestion with reference to two named examples. (Total 5 marks)

7. What sequence of organs perform substances move through, as they undertake the human gastrointestinal system? A. Mouth В® stomach В® pancreatic В® little intestine В® liver В® large intestine В® trou B. Mouth area В® abdomen В® tiny intestine В® pancreas В® liver В® large intestinal tract В® and can C. Mouth area В® esophagus В® tummy В® tiny intestine В® large gut В® and can D. Mouth В® esophagus В® abdomen В® large intestine В® small intestinal tract В® anus (Total 1 mark)

8. Dietary elements are known to influence the incidence of colon cancer. The graphs below show the correlation between meat consumption (eating meat) and intestines cancer in sample countries and the correlation between fat consumption and colon cancers.

[Source: B Armstrong and R Doll, Environmental factors and cancer prevalence and fatality in different countries, with special reference to nutritional practices, (1975), International M Cancer, 12-15, pp 617–631]

[Source: http:members.aol.com/wantnomeat/page]

(a)(i)State the relationship between daily meats consumption plus the incidence of colon cancers in females........................................................................................................................... (1)

(ii)Using the data inside the two graphs opposite, suggest reasons for the relationship between daily meat intake and the occurrence of digestive tract cancer in women....

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