Which one statement is incorrect regarding the process of digestion and absorption in humans?
- ASmall intestine is the major site for the absorption of all nutrients
- BAround $40 \%$ of the total absorption of nutrients takes place in the proximal part of the small intestine
- CDrugs,alcohols,little water and salt are absorbed in the stomach through the mucous membrane
- DLarge intestine is the site of absorption for water and products of bacterial digestion
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$A$: Gastric emptying is slowest after a fat-laden meal containing a large number of triglycerides.
$R$: Fatty acids in chyme stimulate the release of both $CCK$ and $GIP$,which slow stomach emptying.
$R$: Fatty acids in chyme stimulate the release of both $CCK$ and $GIP$,which slow stomach emptying.
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MediumAIPMT 2000
View SolutionMatch the following columns regarding the absorption of substances in the human digestive system:
Column-$I$ Column-$II$ $(a)$ Small intestine $(1)$ Certain drugs $(b)$ Stomach $(2)$ Water,some minerals,and drugs $(c)$ Mouth $(3)$ Water,simple sugars,and alcohol $(d)$ Large intestine $(4)$ Glucose,fructose,and amino acids
| Column-$I$ | Column-$II$ |
|---|---|
| $(a)$ Small intestine | $(1)$ Certain drugs |
| $(b)$ Stomach | $(2)$ Water,some minerals,and drugs |
| $(c)$ Mouth | $(3)$ Water,simple sugars,and alcohol |
| $(d)$ Large intestine | $(4)$ Glucose,fructose,and amino acids |
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View Solution$S$ - Statement: The end product of starch digestion is galactose.
$R$ - Reason: Boron is a structural component of vitamins.
$R$ - Reason: Boron is a structural component of vitamins.
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View SolutionChoose the correct sentences.
$(1)$ Electrolytes like $Na^+, K^+, Cl^-, HCO_3^-$ are present in saliva.
$(2)$ Starch is converted into maltose by the help of salivary amylase at $pH \, 6.8$.
$(3)$ The intrinsic factor of the stomach is essential for the absorption of vitamin $B_{12}$.
$(4)$ Di- and monoglycerides are broken down into fatty acids and glycerol by lipases.
$(1)$ Electrolytes like $Na^+, K^+, Cl^-, HCO_3^-$ are present in saliva.
$(2)$ Starch is converted into maltose by the help of salivary amylase at $pH \, 6.8$.
$(3)$ The intrinsic factor of the stomach is essential for the absorption of vitamin $B_{12}$.
$(4)$ Di- and monoglycerides are broken down into fatty acids and glycerol by lipases.
Medium
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