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Nutrition, Questions, Digestive system - Coggle Diagram
Nutrition
FATES OF absorbed food
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Amino acids
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Enzymes, antibodies, some hormones
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Autotrophic nutrition 
Holozoic nutrition
Saprophytic nutrition
Parasitic nutrition
Questions
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Which of the following features of the small intestine allow it to be the major site of food absorption?
(1)It is long.
(2)Its inner wall is highly folded.
(3)It secretes different kinds of enzymes.
A (1) and (2) only
B (1) and (3) only
C (2) and (3) only
D (1), (2) and (3)
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Which of the following combinations correctly describes the absorption of water in the alimentary canal?
Occurs mostly in...............................Major reason.....................
A ileum ......................It is the longest part of the digestive tract
B ileum................most digested food is absorbed in this region
C large intestine...........................its function is water absorption
D large intestine............absorption of food has completed in this region
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The graph below shows the relationship between the dietary fibre content of a meal and the mean retention
time (i.e. the duration for which the undigested materials stay in the large intestine) in the human body:
Time needed/Dietary fibre content in the meal (%)
Which of the following can be deduced from the graph?
A Meals with more dietary fibre can increase the bulk of the faeces.
B Meals with more dietary fibre can hold more water, and so soften faces better,
C Meals with less dietary fibre have more nutrients and a longer time is required for complete
absorption.
D Meals with less dietary fibre result in harder faces due to an increased time for water
absorption.
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Which of the following correctly describe the absorption of amino acids in the small intestine?
(1)Amino acids are absorbed into lacteals.
(2)The absorption is assisted by membrane proteins.
(3)Amino acids can move along or against a concentration gradient.
A (1) and (2) only
B (1) and (3) only
C (2) and (3) only
D (1), (2) and (3)
C, amino acids are mostly POLAR
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