Description : Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product? (a) Small intestine : Proteins Pepsin → ... Trypsin → Monoglycerides (d) Small intestine : Starch α-Amylase → Disaccharide (maltose)
Last Answer : (d) Small intestine : Starch α-Amylase → Disaccharide
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 : Which enzyme digests proteins in the stomach? (1) Trypsin (2) Pepsin (3) Salivary amylase (4) Pancreatic canal
Last Answer : (2) Pepsin Explanation: Protein digestion begins in the stomach with the action of pepsin. Pepsin is the active protein-digesting enzyme of the stomach. When pepsin acts on the protein ... that are digested in the small intestine with the help of trypsin, chymotrypsin, and carboxypeptidase.
Last Answer : Pepsin
Description : The saliva secreted in the mouth digests (1) Proteins (2) Starch (3) Fats (4) Vitamins
Last Answer : (2) Starch Explanation: The enzymes found in saliva are essential in beginning the process of digestion of dietary starches and fats. These enzymes also play a role in breaking down food particles entrapped within dental crevices, protecting teeth from bacterial decay.
Description : The sailva secreted in the mouth digests (1) Proteins (2) Starch (3) Fats (4) Vitamins
Last Answer : Starch
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 : 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 : 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 : Brunner’s glands are present in (a) stomach (b) oesophagus (c) ileum (d) duodenum
Last Answer : (d) duodenum.
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 : Gastric pits are found in the mucosa of which digestive organ? A. stomach B. duodenum C. jejunum D. ileum
Last Answer : A. stomach
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 : The proximate principles of diet are (A) Vitamins and minerals (B) Proteins (C) Carbohydrates and fats (D) Carbohydrates, fats and proteins
Last Answer : Answer : D
Description : 104 Nitrogen occurs in plants and animals in the form of_____. A. Minerals B. Fats C. Carbohydrates D. Proteins
Last Answer : ANSWER: D
Description : Plants Nitrogen occurs in plants and animals in the form of_____. A. Minerals B. Fats C. Carbohydrates D. Proteins
Description : Nitrogen Nitrogen occurs in plants and animals in the form of_____. A. Minerals B. Fats C. Carbohydrates D. Proteins
Description : Nitrogen occurs in plants and animals in the form of_____. A. Minerals B. Fats C. Carbohydrates D. Proteins
Description : Besides carbohydrates, a major source of energy in our food is constituted by (1) Proteins (2) Fats (3) Minerals (4) Vitamins
Last Answer : (2) Fats Explanation: Fats consist of a wide group of compounds that are generally soluble in organic solvents and generally insoluble in water. Chemically, fats are triglycerides, ft-jesters of ... pancreas. Examples of edible animal fats are lard, fish oil, butter/ghee and whale blubber.
Description : Nitrogen occurs in plant and animals in the form of ------? A. Minerals B. Fats C. Carbohydrates D. Proteins (Answer)
Last Answer : D. Proteins (Answer)
Last Answer : Fats
Description : By generally dividing food into carbohydrates, fats and proteins and considering the digestive process until the pylorus (exit of stomach), which of these mentioned types of food have already undergone chemical digestion?
Last Answer : Until the exit of the stomach, carbohydrates, in the mouth, and proteins, in the stomach, have already undergone chemical breaking by digestive enzymes. Carbohydrates have suffered action of the salivary ... of the gastric juice. Fats, until reaching the duodenum, do not undergo chemical digestion.
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.
Description : What role does enzyme pepsin play? (1) It converts fats into acids (2) If converts fats into glycerol (3) It converts proteins into peptones (4) It converts starch into sugar
Last Answer : (3) It converts proteins into peptones Explanation: Pepsin is an endopeptidase that breaks down proteins into peptone and polypeptides. If is produced in the stomach and is one of the main digestive enzymes.
Description : Which of the following regions of the alimentary canal of rabbit does not secrete a digestive enzyme ? (a) Mouth (b) Oesophagus (c) Stomach (d) Duodenum
Last Answer : (b) Oesophagus
Description : Tyrypsin differs from pepsin because it digests `:`
Last Answer : Tyrypsin differs from pepsin because it digests `:` A. Carbohydrate in alkaline medium in stomach B. ... D. Protein , in alkaline medium in duodenum
Description : Which enzyme digests plant protein (a) Pepsin (b) Erepsin (c) Renin (d) All these
Last Answer : (a) Pepsin
Description : Which is located between the duodenum and the ileum ?
Last Answer : "Jejunum" is located between the duodenum and the ileum.
Description : What part of the body consists of the duodenum, the jejunum and the ileum?
Last Answer : Small 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 : 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 : 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 : Which one of the following pairs of chemical substances, is correctly categorised? (a) Calcitonin and thymosin - Thyroid hormones (b) Pepsin and prolactin - Two digestive enzymes secreted in ... and myosin - Complex proteins in striated muscles (d) Secretin and rhodopsin - Polypeptide hormones
Last Answer : (c) Troponin and myosin - Complex proteins in striated muscles
Description : If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen? (a) The pancreatic enzymes and specially the trypsin and lipase will ... more effective. (d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones.
Last Answer : (d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones.
Description : Name the main organs of the human digestive system. Also name the associated glands. (b) How do carbohydrates, fats and proteins get digested in human beings -Science
Last Answer : (a) The various organs of the human digestive system are mouth, oesophagus, stomach, small intestine and large intestine. The glands associated with the human digestive system are salivary ... the intestinal juice completes the process of digestion of proteins thus converting it into amino acids.
Description : Assertion : Carbohydrate are most suitable for the production of energy in the body than proteins and fats. Reason : Carbohydrates can be stored in ti
Last Answer : Assertion : Carbohydrate are most suitable for the production of energy in the body than proteins and ... D. If both Assertion & Reason are false.
Description : The maximum specific dynamic action of food stuff is exerted by (A) carbohydrates (B) fats (C) proteins (D) vitamins
Last Answer : Answer : C
Description : Pyridoxine requirement depends upon the intake of (A) Carbohydrates (B) Proteins (C) Fats (D) None of these
Description : Maximum energy produced by (A) Fats (B) Carbohydrates (C) Proteins (D) Nucleic acids
Description : If proteins, carbohydrates and fats are consumed together: (A) The total SDA is the sum of individual SDAs of proteins, carbohydrates and fats (B) The total SDA is more than the sum of ... ) Carbohydrates and fats lower the SDA of proteins (D) Proteins raise the SDA of carbohydrates and fats
Description : The muscles, tissues and blood all are made up of _____. A. Fats B. Proteins C. Vitamins D. Carbohydrates
Last Answer : ANSWER: B