Assertion `:` Products of digestion are absorbed in the small intestine. Reason `:` Large intestine has impermeable wall.

Assertion `:` Products of digestion are absorbed in the small intestine. Reason `:` Large intestine has impermeable wall.
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Assertion `:` Products of digestion are absorbed in the small intestine. Reason `:` Large intestine has ... D. If both Assertion & Reason are false.
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Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+. (b) Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries. (c) About 60% of starch is hydrolysed by salivary amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na

After digestion amino acids (A) Are absorbed into portal circulation (B) Are absorbed into lymph (C) Are excreted to the extent of 50% (D) Converted into glucose in the intestine

Description : After digestion amino acids (A) Are absorbed into portal circulation (B) Are absorbed into lymph (C) Are excreted to the extent of 50% (D) Converted into glucose in the intestine

Last Answer : Answer : A

After digestion the next step is absorption done by cells of the mucous membrane of the intestine. For this task a large absorption surface is an advantage. How is it possible in the small internal space of the body of a pluricellular organism to present a large intestinal surface?

Description : After digestion the next step is absorption done by cells of the mucous membrane of the intestine. For this task a large absorption surface is an advantage. How is it possible in the small internal space of the body of a pluricellular organism to present a large intestinal surface?

Last Answer : Evolution tried to solve this problem in two ways. The simplest is the long and tubular shape of the bowels (approximately eight meters in extension), making possible that numerous ... function of increasing the absorption surface too. Digestion System - Image Diversity: intestinal villi microvilli

The digestive system, also known as “systema digestorium”, or gastrointestinal system, is composed of the digestive tube organs plus the digestive adnexal glands. The digestive tube is composed of mouth, pharynx, esophagus, stomach, small intestine (duodenum, jejunum, ileum), large intestine (caecum, colon, rectum) and anus. Digestion System - Image Diversity: human digestive system

Description : The digestive system, also known as systema digestorium , or gastrointestinal system, is composed of the digestive tube organs plus the digestive adnexal glands. The digestive tube is composed of mouth ... (caecum, colon, rectum) and anus. Digestion System - Image Diversity: human digestive system

Last Answer : What are peristaltic movements? What is their role in human digestion?

The site where complete digestion of carbohydrates, proteins and fats takes place is called – (1) Liver (2) Stomach (3) Large Intestine (4) Small Intestine

Description : The site where complete digestion of carbohydrates, proteins and fats takes place is called – (1) Liver (2) Stomach (3) Large Intestine (4) Small Intestine

Last Answer : (4) Small Intestine Explanation: The small intestine is the site of the complete digestion of carbohydrates, proteins and fats. It receives the secretions of the liver and pancreas for this purpose.

Digestion of food is completed in the -----? A. small intestine (Answer) B. large intestine C. stomach D. Liver

Description : Digestion of food is completed in the -----? A. small intestine (Answer) B. large intestine C. stomach D. Liver

Last Answer : A. small intestine (Answer)

In humans , most nutrient molecules are absorbed by the ? A. Small intestine (Answer) B. Stomach C. Liver D. Large intestine E. None of these

Description : In humans , most nutrient molecules are absorbed by the ? A. Small intestine (Answer) B. Stomach C. Liver D. Large intestine E. None of these

Last Answer : A. Small intestine (Answer)

Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these increase internal surface area of small intestine fo

Description : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these increase internal surface area of small intestine fo

Last Answer : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these ... False. D. If both Assertion & Reason are false.

Assertion `:-` Maximum absorption of food occur in jejunum. Reason `:-` Villi `&` microvilli abundantly present in small intestine.

Description : Assertion `:-` Maximum absorption of food occur in jejunum. Reason `:-` Villi `&` microvilli abundantly present in small intestine.

Last Answer : Assertion `:-` Maximum absorption of food occur in jejunum. Reason `:-` Villi `&` microvilli abundantly ... . D. If both Assertion & Reason are false.

In a normal nephron: a. the descending loop of Henle is impermeable to water b. anti-diuretic hormone (ADH) increases the permeability of collecting ducts to water c. all the filtered glucose is re-absorbed in the proximal tubule d. nearly all the filtered protein is reabsorbed in the proximal convoluted tubule

Description : In a normal nephron: a. the descending loop of Henle is impermeable to water b. anti-diuretic hormone (ADH) increases the permeability of collecting ducts to water c. all the filtered ... in the proximal tubule d. nearly all the filtered protein is reabsorbed in the proximal convoluted tubule

Last Answer : nearly all the filtered protein is reabsorbed in the proximal convoluted tubule

Why Digestion does not occur in large intestine?

Description : Why Digestion does not occur in large intestine?

Last Answer : Digestion does occur in the large intestine. Digestion occurseverywhere between lips and anus. The digestion in the colon mainlyconcerns the osmotic movement of water.

(a) Draw a diagram to show the nutrition in Amoeba and label the parts used for this purpose. Mention any other purpose served by this part other than nutrition. (b) Name the glands associated with digestion of starch in human digestive tract and mention their role. (c) How is required pH maintained in the stomach and small intestine? -Biology

Description : (a) Draw a diagram to show the nutrition in Amoeba and label the parts used for this purpose. Mention any other purpose served by this part other than nutrition. (b) Name the glands associated ... mention their role. (c) How is required pH maintained in the stomach and small intestine? -Biology

Last Answer : Answer.(a) Pseudopodia serves the purpose of locomotion apart from nutrition. (b) The salivary gland is associated with digestion of starch in human digestive tract. It secretes saliva which contains ... juice from liver makes the food alkaline in small intestine for the pancreatic enzymes to act.

Describe the structure of the small intestine and its role in digestion? -Biology

Description : Describe the structure of the small intestine and its role in digestion? -Biology

Last Answer : answer:

What is the substance produced in the liver that acts in the small intestine during digestion?

Description : What is the substance produced in the liver that acts in the small intestine during digestion?

Last Answer : How does that substance act in the digestive process?

Describe the role of small intestine in digestion of food.

Description : Describe the role of small intestine in digestion of food. 

Last Answer : In small intestine Liver and Pancreas play an important role for digestion of food. Role of Liver: - i) Liver is reddish brown organ present just below the diaphragm (under ribs) on right ... If any food still remain undigested enzymes secreted by glands of small intestine help to digest it. 

The diagram represents a section through the small intestine.What is the role of the structure labelled X ? (a) They secrete enzymes for digestion (b) They secrete hormones (c) They decrease the surface area of absorption (d) They increase the surface area of absorption

Description : The diagram represents a section through the small intestine.What is the role of the structure labelled X ? (a) They secrete enzymes for digestion (b) They secrete hormones (c) They decrease the surface area of absorption (d) They increase the surface area of absorption

Last Answer : (d) They increase the surface area of absorption

Most of the fat digestion occurs in (a) rectum (b) stomach (c) duodenum (d) small intestine.

Description : Most of the fat digestion occurs in (a) rectum (b) stomach (c) duodenum (d) small intestine.

Last Answer : (d) small intestine.

Intestinal villi are numerous and larger in posterior part of small intestine because (a) Digestion is faster in posterior part (b) Blood supply is poor in anterior part (c) Blood supply is poor in posterior part. (d) There is more digested food in posterior part

Description : Intestinal villi are numerous and larger in posterior part of small intestine because (a) Digestion is faster in posterior part (b) Blood supply is poor in anterior part (c) Blood supply is poor in posterior part. (d) There is more digested food in posterior part

Last Answer : (d) There is more digested food in posterior part

Digestion of protein-is necessary because (a)It not absorbed as such (b)Proteins are large molecules. (c) Proteins have complex structure. (d) Proteins are made of amino acids

Description : Digestion of protein-is necessary because (a)It not absorbed as such (b)Proteins are large molecules. (c) Proteins have complex structure. (d) Proteins are made of amino acids

Last Answer : (a)It not absorbed as such

Name the prcess by which fructose and some amino acids are absorbed in small intestine.

Description : Name the prcess by which fructose and some amino acids are absorbed in small intestine.

Last Answer : Name the prcess by which fructose and some amino acids are absorbed in small intestine.

Name the prcess by which fructose and some amino acids are absorbed in small intestine.

Description : Name the prcess by which fructose and some amino acids are absorbed in small intestine.

Last Answer : Name the prcess by which fructose and some amino acids are absorbed in small intestine.

How food is absorbed inside the small intestine?

Description : How food is absorbed inside the small intestine?  

Last Answer : In ileum completely digested food is ready to absorb. Small intestine is 20 feet long. Its internal structure consists of thousands of finger like projections called villi. The glucose, amino acids, glycerol ... the intestinal lining to form fats again. Then these fats pass into the lacteals.   

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II. Column I Column II (a) Glycerol, fatty acids Duodenum, move as chylomicrons (b) Cholesterol, maltose Large intestine, active absorption (c) Glycine, glucose Small intestine, active absorption (d) Fructose, Na+ Small intestine, passive absorption

Description : Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II. Column I Column II (a) Glycerol, fatty acids Duodenum, ... , glucose Small intestine, active absorption (d) Fructose, Na+ Small intestine, passive absorption

Last Answer : (c) Glycine, glucose Small intestine, active absorption

Assertion `:-` Acid which reach intestine does not damage it. Reason `:-` The mucous along with the bicarbonates from the pancreas protects the intest

Description : Assertion `:-` Acid which reach intestine does not damage it. Reason `:-` The mucous along with the bicarbonates from the pancreas protects the intest

Last Answer : Assertion `:-` Acid which reach intestine does not damage it. Reason `:-` The mucous along with ... False. D. If both Assertion & Reason are false.

Assertion `:` Removal of gall bladder does affect the protein digestion. Reason `:` Bile juice break the peptide bond.

Description : Assertion `:` Removal of gall bladder does affect the protein digestion. Reason `:` Bile juice break the peptide bond.

Last Answer : Assertion `:` Removal of gall bladder does affect the protein digestion. Reason `:` Bile juice break ... . D. If both Assertion & Reason are false.

Assertion `:` Emulsification is necessary for the digestion of fat. Reason `:` After fats are emulsified, the action of enzyme amylase gets significan

Description : Assertion `:` Emulsification is necessary for the digestion of fat. Reason `:` After fats are emulsified, the action of enzyme amylase gets significan

Last Answer : Assertion `:` Emulsification is necessary for the digestion of fat. Reason `:` After fats are emulsified ... D. If both Assertion & Reason are false.

Assertion `:` Bile juice is stored mainly in the gall bladder. Reason `:` Gall bladder in necessary for digestion

Description : Assertion `:` Bile juice is stored mainly in the gall bladder. Reason `:` Gall bladder in necessary for digestion

Last Answer : Assertion `:` Bile juice is stored mainly in the gall bladder. Reason `:` Gall bladder in necessary ... . D. If both Assertion & Reason are false.

The saliva pH is approximately 6.8. It is thus a slightly acid pH. Saliva lubricates the food bolus and initiates the enzymatic extracellular digestion of food. It also works as a buffer for the mouth pH and it has an important role of having IgA antibodies (also present in tears, colostrum, mother’s milk and in the mucosae of the intestine and airways) that protect the organism against pathogens.

Description : The saliva pH is approximately 6.8. It is thus a slightly acid pH. Saliva lubricates the food bolus and initiates the enzymatic extracellular digestion of food. It also works as a buffer for the ... 's milk and in the mucosae of the intestine and airways) that protect the organism against pathogens.

Last Answer : What is the salivary digestive enzyme? Which type of food does it digest and into which smaller molecules does it transform the food?

Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in (A) Blood (B) Saliva (C) Intestine (D) Gland

Description : Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in (A) Blood (B) Saliva (C) Intestine (D) Gland

Last Answer : (B) Saliva

Surgical removal of Gall bladder in man would lead to (a) lmpairment of digestion of fat (b) Jaundice (c) Increased acidity in intestine {d) None of the above

Description : Surgical removal of Gall bladder in man would lead to (a) lmpairment of digestion of fat (b) Jaundice (c) Increased acidity in intestine {d) None of the above

Last Answer : (a) lmpairment of digestion of fat

Fat digestion takes place in (a) Buccal cavity (b) Stomach (c) Intestine (d) All

Description : Fat digestion takes place in (a) Buccal cavity (b) Stomach (c) Intestine (d) All

Last Answer : (c) Intestine

Carbohydrate digestion in man starts from (a) Buccal cavity (b) Oesophagus (c) Stomach (d) Intestine

Description : Carbohydrate digestion in man starts from (a) Buccal cavity (b) Oesophagus (c) Stomach (d) Intestine

Last Answer : (a) Buccal cavity

Protein digestion start from (a) Buccal cavity (b) Stomach (c) Intestine (d) None

Description : Protein digestion start from (a) Buccal cavity (b) Stomach (c) Intestine (d) None

Last Answer : (b) Stomach

Name the finger like projection present in the wall of small intestine meant for absorp- tion?

Description : Name the finger like projection present in the wall of small intestine meant for absorp- tion?

Last Answer : Villi

Which of the following absorbed in proximal intestine `:-`

Description : Which of the following absorbed in proximal intestine `:-`

Last Answer : Which of the following absorbed in proximal intestine `:-` A. Iron B. Sodium C. Bile salts D. Vitamin `B_(12)`

Do fats and water soluble molecules such as sugars get absorbed from the intestine directly into the blood?

Description : Do fats and water soluble molecules such as sugars get absorbed from the intestine directly into the blood?

Last Answer : The simple sugars do but not the fats. The presence of fat inthe small intestine produces hormones that stimulate the release ofpancreatic lipase from the pancreas and bile from the liver whichhelps in the emulsification of fats for absorption as fattyacids.

Molecular iron (Fe) is (A) Stored primarily in spleen (B) Absorbed in the intestine (C) Absorbed in the ferric, Fe+++ form (D) Stored in the body in combination with ferritin

Description : Molecular iron (Fe) is (A) Stored primarily in spleen (B) Absorbed in the intestine (C) Absorbed in the ferric, Fe+++ form (D) Stored in the body in combination with ferritin

Last Answer : Answer : D

In human beings molybdenum is mainly absorbed from (A) Liver (B) Kidney (C) Intestine (D) Pancreas

Description : In human beings molybdenum is mainly absorbed from (A) Liver (B) Kidney (C) Intestine (D) Pancreas

Last Answer : Answer : C

Molecular Iron, Fe, is (A) Stored in the body in combination with Ferritin (B) Stored primarily in the spleen (C) Excreted in the urine as Fe2+ (D) absorbed in the intestine by albumin VITAMINS 129

Description : Molecular Iron, Fe, is (A) Stored in the body in combination with Ferritin (B) Stored primarily in the spleen (C) Excreted in the urine as Fe2+ (D) absorbed in the intestine by albumin VITAMINS 129

Last Answer : Answer : A

Vitamin A absorbed in intestine is released into (A) Portal circulation (B) Lacteals (C) Both (A) and (B) (D) None of these

Description : Vitamin A absorbed in intestine is released into (A) Portal circulation (B) Lacteals (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

Natural L-isomers of amino acids are absorbed from intestine by (A) Passive diffusion (B) Simple diffusion (C) Faciliated diffusion(D) Active process

Description : Natural L-isomers of amino acids are absorbed from intestine by (A) Passive diffusion (B) Simple diffusion (C) Faciliated diffusion(D) Active process

Last Answer : Answer : D

The following is actively absorbed in the intestine: (A) Fructose (B) Mannose (C) Galactose (D) None of these

Description : The following is actively absorbed in the intestine: (A) Fructose (B) Mannose (C) Galactose (D) None of these

Last Answer : C

Which of the following vitamin combines with avid in contained in egg-white forming a compound that cannot be absorbed by the intestine and is therefore, excreted – (1) vitamin B₂ (2) vitamin B₃ (3) vitamin B₇ (4) vitamin A

Description : Which of the following vitamin combines with avid in contained in egg-white forming a compound that cannot be absorbed by the intestine and is therefore, excreted – (1) vitamin B₂ (2) vitamin B₃ (3) vitamin B₇ (4) vitamin A

Last Answer : (3) vitamin B₇

A highly ionised drug: a. is well absorbed from the intestine b. is excreted mainly in the kidney c. crosses the placental barrier easily d. is reabsorbed from the renal tubule

Description : A highly ionised drug: a. is well absorbed from the intestine b. is excreted mainly in the kidney c. crosses the placental barrier easily d. is reabsorbed from the renal tubule

Last Answer : is well absorbed from the intestine

Fructose is absorbed into the blood through mucosa cells of intestine by the process called (a) active transport (b) facilitated transport (c) simple diffusion (d) co-transport mechanism.

Description : Fructose is absorbed into the blood through mucosa cells of intestine by the process called (a) active transport (b) facilitated transport (c) simple diffusion (d) co-transport mechanism.

Last Answer : (b) facilitated transport

through the digestion system, water is mainly absorbed in the -General Knowledge

Description : through the digestion system, water is mainly absorbed in the -General Knowledge

Last Answer : B) duodenum is the correct answer.

Which food substance is absorbed, without digestion-

Description : Which food substance is absorbed, without digestion-

Last Answer : Which food substance is absorbed, without digestion- A. Carbohydrates B. Proteins in stomach C. Vitamins D. Fats

Which of the following terms describes a gastric secretion that combines with vitamin B-12 so that it can be absorbed? a) Intrinsic factor Lack of intrinsic factor is a common finding in the aged patient. b) Amylase Amylase is an enzyme that aids in the digestion of starch. c) Pepsin Pepsin is a gastric enzyme important in protein digestion. d) Trypsin Trypsin is an enzyme that aids in the digestion of protein.

Description : Which of the following terms describes a gastric secretion that combines with vitamin B-12 so that it can be absorbed? a) Intrinsic factor Lack of intrinsic factor is a common finding in the aged ... in protein digestion. d) Trypsin Trypsin is an enzyme that aids in the digestion of protein.

Last Answer : a) Intrinsic factor Lack of intrinsic factor is a common finding in the aged patient.

The length of small intestine in a deer is more as compared to the length of small intestine of a tiger. The reason for this is — (a) Mode of intake of food. (b) Type of food consumed. (c) Presence or absence of villi in intestines. (d) Presence or absence of digestive enzymes

Description : The length of small intestine in a deer is more as compared to the length of small intestine of a tiger. The reason for this is — (a) Mode of intake of food. (b) Type of food consumed. (c) Presence or absence of villi in intestines. (d) Presence or absence of digestive enzymes

Last Answer : (b) Type of food consumed.

How are the small intestine and large intestine related to the function of absorption? -Biology

Description : How are the small intestine and large intestine related to the function of absorption? -Biology

Last Answer : answer: