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 : Which of the following belongs to the class of pepsin and trypsin (C.P.M.T.84) (a) Rennin (b) protein (c) Thyroxin (d) Secretin
Last Answer : (a) Rennin
Description : Enzyme pepsin acts in `:`
Last Answer : Enzyme pepsin acts in `:` A. acidic medium in the pancreas B. acidic medium in the stomach C. intestine D. mouth
Description : Gastric enzyme pepsin acts only in acidic medium with in a limited pH concentration. It varies `:`
Last Answer : Gastric enzyme pepsin acts only in acidic medium with in a limited pH concentration. It varies `:` A. 1.20 to 1.80 ... C. 2.00 to 2.50 D. 1.50 to 2.60
Description : Enzyme pepsin acts upon food at a pH of about `:-`
Last Answer : Enzyme pepsin acts upon food at a pH of about `:-` A. 3 to split proteins B. 2 to ... protein into peptones D. 2 to change protein in amino acids
Description : Which of the following is a proteolytic enzyme? (A) Pepsin (B) Trypsin (C) Chymotrypsin (D) All of these
Last Answer : Answer : D
Description : The optimal pH for the enzyme pepsin is (A) 1.0–2.0 (B) 4.0–5.0 (C) 5.2–6.0 (D) 5.8–6.2
Last Answer : Answer : A
Description : Which enzyme is present in all members of the animal kingdom except Protozoa? (1) Insulin (2) Pepsin (3) Renin (4) Amylase
Last Answer : (4) Amylase Explanation: Digestion in Protozoa is carried on by several enzymes such as peptidase, proteinase, lipase, etc. For example, Insulin has important role in the glucose uptake of protozoa. ... is due to the absence of amylase that protozoa such as amoeba cannot digest fats and starch.
Description : If the stomach did not produce any hydrochloric acid, which enzyme will not function? (1) Ptyalin (2) Rennin (3) Pepsin (4) Lipase
Last Answer : (3) Pepsin Explanation: Hydrochloric acid converts pepsinogen into an enzyme called pepsin. When food enters the stomach, hydrochloric acid production increases and the pH may fall to as low as 1 or 2, a very acidic condition.
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 : (4) Amylase Explanation: Protozoa lack amylase which is required for the digestion of facts and starch.
Description : The enzyme that is present in the saliva of man is - (1) Pepsin (2) Renin (3) Amylase (4) Trypsin
Last Answer : (3) Amylase Explanation: Amylase is an enzyme that catalyses the breakdown of starch into sugars. Amylase is present in human saliva, where it begins the chemical process of digestion. Foods ... bacteria also produce amylase. As diastase, amylase was the first enzyme to be discovered and isolated.
Description : Which enzyme converts proteins? (1) Pepsin (2) Trypsin (3) Erepsin (4) Enterokinase
Last Answer : (2) Trypsin Explanation: Trypsin is a serine protease found in the digestive system of many vertebrates, where it hydrolyses proteins. Trypsin in the duodenum catalyses the hydrolysis of peptide ... then be further hydrolyzed into amino acids by other proteases before they enter the blood stream.
Description : Which one of the following is not a digestive enzyme? (1) Pepsin (2) Renin (3) Insulin (4) Amylopsin
Last Answer : (3) Insulin Explanation: Insulin is a peptide hormone, produced by beta cells of the pancreas, and is central to regulating carbohydrate and fat metabolism in the body. Insulin causes cells in ... and skeletal muscles, glucose is stored as glycogen, and in adipocytes it is stored as triglycerides.
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 : What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor? (a) In the absence of HCl secretion, inactive pepsinogen is not converted into the active ... c) Gastric juice will be deficient in chymosin. (d) Gastric juice will be deficient in pepsinogen.
Last Answer : (a) In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
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 : Which of the following options best represents the enzyme composition of pancreatic juice? (a) Amylase, Pepsin, Trypsinogen, Maltase (b) Peptidase, Amylase, Pepsin, Rennin (c) Lipase, Amylase, Trypsinogen, Procarbo- xypeptidase (d) Amylase, Peptidase, Trypsinogen, Rennin
Last Answer : (c) Lipase, Amylase, Trypsinogen, Procarbo- xypeptidase
Description : The enzyme enterokinase helps in conversion of (a) protein into polypeptides (b) trypsinogen into trypsin (c) caseinogen into casein (d) pepsinogen into pepsin.
Last Answer : (b) trypsinogen into trypsin
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.
Description : Pancreatic juice contains more than one enzyme. Which among the following combination is correct ? (1) Pepsin and Lipase (2) Amylase and Pepsin (3) Pepsin and Trypsin (4) Trypsin and Lipase
Last Answer : 4) Trypsin and Lipase
Description : Which of the following options best represents the enzyme composition of pancreatic juice ? (1) amylase, pepsin, trypsinogen, maltase (2) peptidase, amylase, pepsin, rennin (3) lipase, amylase, trypsinogen, procarboxypeptidase (4) amylase, peptidase, trypsinogen, rennin
Last Answer : (3) lipase, amylase, trypsinogen, procarboxypeptidase
Description : The enzyme which can act in Acidic and basic media both (a) Lipase (b) Trypsin (c) Pepsin (d) Ptyalin
Last Answer : (d) Ptyalin
Description : Which enzyme digests plant protein (a) Pepsin (b) Erepsin (c) Renin (d) All these
Last Answer : (a) Pepsin
Last Answer : Pepsin
Last Answer : Amylase
Description : The enzyme that coagulates milk into curd is (1) Rennin (2) Pepsin (3) Resin (4) Citrate
Last Answer : Rennin
Description : The enzyme that is present in the saliva of man is (1) Pepsin (2) Renin (3) Amylase (4) Trypsin
Description : Which one of the following is not a digestive enzyme ? (1) Pepsin (2) Renin (3) Insulin (4) Amylopsin
Last Answer : Insulin
Description : Which part of body secretes the hormone secretin?
Last Answer : Which part of body secretes the hormone secretin? A. stomach B. oesophagus C. illeum D. duodenum
Description : Secretin and cholecystokinin are digestive hormones. They are secreted in `:`
Last Answer : Secretin and cholecystokinin are digestive hormones. They are secreted in `:` A. Oesophagus B. Ileum C. Duodenum D. Pyloric stomach
Description : Secretin hormone stimulates `:`
Last Answer : Secretin hormone stimulates `:` A. Gastric glands B. Pancreas C. Gall bladder D. Crypts of Lieberkuhn
Description : What is Secretin `:`
Last Answer : Secretin `:` A. Stimulates enzymes secretion by pancrea, inhibits acid secretion in ... in stomach, stimulates bicarbonate secretion by pancres
Description : Secretin stimulates production of
Last Answer : Secretin stimulates production of A. Pancreatic juice B. Intestinal juice C. Salvary juice D. Gastric juice
Description : All of the following statements about pancreatic somatostain are true except (A) It is secreted by δ cells of islets of Langerhans (B) It stimulates the secretion of gastrin (C) It inhibits the secretion of secretin (D) It inhibits the secretion of cholecystokininpancreozymin
Last Answer : Answer : B
Description : Secretin causes all of the following except (A) Secretion of pancreatic juice (B) Secretion of bile (C) Inhibition of gastric secretion (D) Stimulation of intestinal motility
Description : Secretin is made up of (A) 17 amino acids (B) 27 amino acids (C) 37 amino acids (D) 47 amino acids
Description : Where is it produced and what is the function of secretin in the digestive process?
Last Answer : Secretin is made in the duodenum. The chyme acidity causes the duodenum to release this hormone that in its turn stimulates the secretion of the pancreatic juice.
Description : The contraction of gall bladder is due to (a) cholecystokinin (b) enterogastrone (c) gastrin (d) secretin.
Last Answer : (a) cholecystokinin
Description : Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilisation. (a) Insulin (b) Glucagon (c) Secretin (d) Gastrin
Last Answer : (a) Insulin
Description : Release of pancreatic juice is stimulated by (a) enterokinase (b) cholecystokinin (c) trypsinogen (d) secretin
Last Answer : d) secretin.
Description : Secretin stimulates production of (a) saliva (b) gastric juice (c) bile (d) pancreatic juice.
Last Answer : (d) pancreatic juice.
Description : Which part of body secretes the hormone secretin? (a) Stomach (b) Oesophagus (c) Ileum (d) Duodenum
Last Answer : (d) Duodenum
Description : Duodenum has characteristic Brunner’s gland which secrete two hormones called (a) kinase, estrogen (b) secretin, cholecystokinin (c) prolactin, parathormone (d) estradiol, progesterone
Last Answer : (b) secretin, cholecystokinin
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 : Which hormones do stimulate the production of pancreatic juice and bicarbonate? (a) Angiotensin and epinephrine (b) Gastrin and insulin (c) Cholecystokinin and secretin (d) Insulin and glucagon
Last Answer : (c) Cholecystokinin and secretin
Description : Which one of the following is the matching set of the gland and its secretion (a) Pituitary gland - Thyroxin (b) Salivary gland - Amylase (c) Adrenal cortex - Vasopressin (d) Islets of Langerhens - Secretin
Last Answer : (b) Salivary gland - Amylase
Description : One of the following is hormone (a)Trypsinogen (b) Secretin (c) Trypsin (d) All
Last Answer : (c) Trypsin
Description : Ptyalin is found in (a) Secretin (b) Saliva (c) Satity centre (d) All
Last Answer : (b) Saliva
Description : Secretion of bile is promoted by (a) CCK (b) Secretin (c) Insulin (d) Gastrin
Last Answer : (a) CCK