Gce Model Questions Vol1 2020 Biology Question 49
Practice objective / multiple choice question 49 from the 2020 Gce Model Questions Vol1 Biology examination.
The diagram shows the major sections of the human digestive tract: mouth, stomach, duodenum, jejunum, ileum and colon. The following percentages of each macronutrient are absorbed in the indicated sections (the remainder passes to the colon).\n\n- Carbohydrates: duodenum 5 %, jejunum 80 %, ileum 10 %\n- Proteins: duodenum 10 %, jejunum 70 %, ileum 15 %\n- Fats: jejunum 85 %, ileum 10 %\n\nA mixed meal provides 600 kcal from carbohydrates, 300 kcal from proteins and 400 kcal from fats. Assuming the percentages above apply, calculate the total number of kilocalories absorbed before the colon.
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This is Gce Model Questions Vol1 2020 Biology Question 49. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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