Absorption - class-XI
Description: absorption | |
Number of Questions: 45 | |
Created by: Avatara Chahal | |
Tags: digestion and absorption digestive system of human digestion food through digestive tract human physiology bio-chemistry biology |
Food is largely absorbed in
Which of the following is the most rapidly transported monosaccharide into the bloodstream from the intestine?
Which of the following electrolyte pumps helps in active absorption of glucose in the intestinal walls?
In which of the following parts of the alimentary canal does absorption of nutrients and drugs takes place?
State which of the following statement is true OR false.
(A) No absorption of food takes place in mouth and oesophagus.
(B) Absorption of glucose depends on sodium ion.
(C) Whole protein particles can be engulfed by pinocytosis.
What is correct about microvilli?
In which part of gastro-intestinal tract does maximum absorption of water occur?
Choose the correct answers from the alternatives given.
The villi present on the wall of the small intestine
Which one of the following is a non-pathogenic bacteria of human intestines?
Movement of alimentary canal does not help in slipping down of food is
Which of the following organs absorbs food nutrients through villi?
Read the following statements and select the correct option.
Statement 1 : The human small intestine is the longest portion in the alimentary canal.
Statement 2 : Absorption of digested food requires a very large surface area.
We eat food, which is composed of all the nutrients like carbohydrates, proteins, fats, vitamins, minerals and water. After digestion, these are absorbed in the form of glucose, amino acids, fatty acids, glycerol etc. What mechanisms are involved in absorption of digested food and water?
Part of alimentary canal meant for reabsorption of water from chyle is
A specialized structure in intestine that helps in absorption is
Which of the following substance requires castle's intrinsic factor secreted by stomach for absorbtion in the small intestine?
Calcium absorption is always enhanced by the action of the following vitamin
Which of the following is true regarding the absorption mechanism of carbohydrates in the intestine?
What percentage of amino acids is absorbed in the small intestine?
Which of the following substances are not absorbed into the lymphatic system?
Which one of the following is not a step during digestion process?
Absorption is defined as
Most of the absorption of the products of digestion takes place in humans across the
$30\%$ starch is hydrolysed in Buccal cavity by which of the following enzymes?
Which of the following stimulates the secretion of gastric juice?
The gastrointestinal hormone, which stimulates insulin secretion is
Secretion of gastric juice is controlled by
Gastric juice is secreted under the influence of hormone
Entry of food in stomach mechanically stimulates it to produce a hormone named
Cardiac sphincter protects back flow of
Which one provides sliminess to food?
In jejunum, enzyme required for digestion of amino acid containing compounds is
Which one is a gastrointestinal hormone
Digestion of carbohydrates occurs in
Which is true about digestion and absorption of food?
Absorption of glycerol, fatty acids and monoglycerides takes place by
Gastrin is
Which enzymes are likely to act on the baked potatoes eaten by a man, starting from mouth and as it moves down the alimentary canal
Germs entering the body along with food are killed in alimentary canal where pH is
Choose the correct answer from the allternatives given.
What is the name of the portion of alimentary canal which crushes the food ?
Secretin is gastrointestinal tract hormone that
Which of the following is the primary absorptive process in the large intestine?
Choose the odd one w.r.t. locations of source cells for hormone.
The hormone responsible for vagus nerve activity is
Which one of the following does not match is biological category of chemical substance.