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?
Description : The Sigmoid Colon is part of – (1) Small Intestine (2) Anal Canal (3) Large Intestine (4) Ileum
Last Answer : (3) Large Intestine Explanation: The sigmoid colon is a short curving of the colon, just before the rectum. It is part of the large intestine.
Description : Identify the correct statement with reference to human digestive system. (a) Ileum opens into small intestine. (b) Serosa is the innermost layer of the alimentary canal. (c) IIeum is a highly coiled part. (d) Vermiform appendix arises from duodenum.
Last Answer : (c) IIeum is a highly coiled part.
Description : The small intestine is composed of three segments. Tw of these segments are the jejunum and the ileum. Name the third segment.
Last Answer : ANSWER: DUODENUM
Description : The Sigmoid Colon is part of (1) Small Intestine (2) Anal Canal (3) Large Intestine (4) Ileum
Last Answer : Large Intestine
Description : Saccus entericus is the name given to (a) Junction between ileum and large intestine (b) Intestinal juice (c) Swelling in the gut (d) Appendix
Last Answer : (b) Intestinal juice
Description : Brunner’s glands are present in (a) stomach (b) oesophagus (c) ileum (d) duodenum
Last Answer : (d) duodenum.
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.
Description : Why are villi only present in small intestine?
Last Answer : What is the answer ?
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
Description : Name the finger like projection present in the wall of small intestine meant for absorp- tion?
Last Answer : Villi
Description : The crypts of Lieberkuhn are present in the (a) Pancrease (b) Oesophagus (c) Between the villi of the small intestine (d) Large intestine
Last Answer : (c) Between the villi of the small intestine
Description : Brunner's glands are present in (a) Stomach (b) Liver (c) Small intestine (d) Large intestine
Last Answer : (c) Small intestine
Description : Which is located between the duodenum and the ileum ?
Last Answer : "Jejunum" is located between the duodenum and the ileum.
Description : Which of the following is absorbed in ileum ?
Last Answer : Which of the following is absorbed in ileum ? A. Fat B. Bile salts C. Vit-K D. Glucose
Description : What part of the body consists of the duodenum, the jejunum and the ileum?
Last Answer : Small intestine
Description : Iron is absorbed from (A) Stomach (B) Duodenum and jejunum (C) Ileum (D) Noen of the above
Last Answer : Answer : B
Description : Iron is mainly absorbed from (A) Stomach and duodenum (B) Ileum (C) Caecum (D) Colon
Last Answer : Answer : A
Description : Pepsin digests _______. (1) proteins in stomach (2) carbohydrates in mouth (3) fats in duodenum (4) minerals in ileum
Last Answer : (1) proteins in stomach Explanation: Pepsin is produced in the stomach and is one of the main digestive enzymes in the digestive systems of humans and many other animals, where it helps digest the proteins in food.
Description : Hydrochloric acid is secreted by the cells lining the – (1) Oral cavity (2) Stomach (3) Ileum (4) Colon
Last Answer : (2) Stomach Explanation: The chief cells of the stomach secrete enzymes for protein breakdown (inactive pepsinogen and rennin). Hydrochloric acid activates pepsinogen into the enzyme pepsin, which then helps digestion by breaking the bonds linking amino acids, a process known as proteolysis.
Description : In human beings, the digestion of proteins starts in which part of the alimentary canal? (1) Mouth (2) Stomach (3) Doudenum (4) Ileum
Last Answer : (2) Stomach Explanation: The stomach secretes acid and enzymes that digest food. Ridges of muscle tissue called rugae line the stomach.
Description : Where is protein digestion accomplished? (a) Stomach (b) Ileum (c) Rectum (d) Duodenum
Last Answer : (b) Ileum
Description : Brunner’s glands occur in (a) submucosa of duodenum (b) submucosa of stomach (c) mucosa of oesophagus (d) mucosa of ileum.
Last Answer : (a) submucosa of duodenum
Description : In vertebrates, lacteals are found in (a) oesophagus (b) ear (c) ileum (d) ischium.
Last Answer : (c) ileum
Description : Which part of body secretes the hormone secretin? (a) Stomach (b) Oesophagus (c) Ileum (d) Duodenum
Last Answer : (d) Duodenum
Description : Secretin and cholecystokinin are digestive hormones. They are secreted in (a) pyloric stomach (b) duodenum (c) ileum (d) oesophagus.
Last Answer : (b) duodenum
Description : Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth. (a) Pharynx → Oesophagus → Ileum → Crop → Gizzard → Colon → Rectum (b) Pharynx → Oesophagus → Crop → Gizzard ... Ileum → Colon → Rectum (d) Pharynx → Oesophagus → Gizzard → Ileum → Crop → Colon → Rectum
Last Answer : (b) Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum
Description : Crohn's disease is a condition of malabsorption caused by a) inflammation of all layers of intestinal mucosa. Crohn's disease is also known as regional enteritis and can occur ... to lactose intolerance. d) gastric resection. Postoperative malabsorption occurs after gastric or intestinal resection.
Last Answer : a) inflammation of all layers of intestinal mucosa. Crohn’s disease is also known as regional enteritis and can occur anywhere along the GI tract, but most commonly at the distal ileum and in the colon.
Description : Gastric pits are found in the mucosa of which digestive organ? A. stomach B. duodenum C. jejunum D. ileum
Last Answer : A. stomach
Description : One of the following is longest part of alimentary canal (a) Stomach (b) Ileum (c) Colon (d) Rectum
Description : Minimum peristaltis is found in (a) Oesophagus (b) Stomach (c) Ileum (d) Rectum
Last Answer : (d) Rectum
Description : More than 90% of bile salts are reabsorbed in (a) Duodenum (b) Ileum (c) Colon (d) None
Description : In gut of rabbit taeinae & hustra are the parts of (a) Ileum (b) Duodenum (c) Colon (d) All
Last Answer : (c) Colon
Description : Where does complete digestion of protein take place (a) Rectum (b) Ileum (c) Duodenum (d) Stomach
Description : Pylcrus, a constricted part of alimentary canal is situated between (a) Oesophagus and stomach (b) Stomach and duodenum (c) Duodenum and ileum (d) Ileum and rectum
Last Answer : (b) Stomach and duodenum
Description : Dilated part at the junction of Ileum and Colon in rabbit is (a) Sacculus rotendus (b) Fenestra ovalis (c) Fenestra rotendus (d) None
Last Answer : (a) Sacculus rotendus
Description : Crypts of leiberkuhns are found in (a) Duodenum (b) Ileum (c) Both (d) None
Last Answer : (c) Both
Description : Brunner’s glands are found in (a) Duodenum only (b) Ileum only (c) Both (d) None.
Last Answer : (a) Duodenum only
Description : Hydrochloric acid is secreted by the cells lining the (1) Oral cavity (2) Stomach (3) Ileum (4) Colon
Last Answer : Stomach
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.
Description : The absorption of glucose in the digestive tract (A) Occurs in the small intestine (B) Is stimulated by the hormone Glucagon (C) Occurs more rapidly than the absorption of any other sugar (D) Is impaired in cases of diabetes mellitus
Last Answer : A
Description : Why are villi present in the intestine and not in the stomach? -Biology
Last Answer : answer:
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?
Description : The type of muscle present in our (a) heart is involuntary and unstriated smooth muscle (b) intestine is striated and involuntary (c) thigh is striated and voluntary (d) upper arm is smooth muscle and fusiform in shape.
Last Answer : (c) thigh is striated and voluntary
Description : Which of the following statements is not correct? (a) Oxyntic cells are present in the mucosa of stomach and secrete HCl. (b) Acini are present in the pancreas and secrete carboxypeptidase. (c ... and secrete pepsinogen. (d) Goblet cells are present in the mucosa of intestine and secrete mucus
Last Answer : (c) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen.
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
Description : Flora present in human intestine is capable of synthesizing (a) Vit. K (b) vit. C (c) Vit. A (d) vit. B
Last Answer : (d) vit. B
Description : What is the function of the small intestine?
Last Answer : A: The small intestine is responsible for absorbing nutrients from food and transferring them to the bloodstream.
Description : Approximately what percentage of water absorption takes place in the small intestine vs. the colon (and a followup question)?
Last Answer : The gi tract requires chyme to be pretty liquid in order to be able to move it around through peristalsis. So even though the small bowel does absorb a lot of water from the chyme it is not until ... and left colon are much more muscular than the right colon just to deal with the more solid stool.
Description : How is the small intestine designed to absorb digested food ? -Biology
Last Answer : The small intestine is designed to provide maximum area for absorption of digested food and its transfer into the blood for its circulation into the body. For this the inner lining of the small ... supplied with blood vessels which take the absorbed food to each and every cell of the body.