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biology 18 human digestive system
Page 1
Q.1. Which are the 5 stages of digestion in human body?
Q.2. Taking the food into the mouth is called?
Q.3. Conversion of non absorbable food into absorbable form is known as?
Q.4. Digestion of food is started from?
Q.5. Which gland secretes saliva in mouth?
Q.6. Which enzymes are found in saliva?
Q.7. Which enzymes in mouth convert starch into simple sugar and make it digestible?
Q.8. How much saliva is secreted in human mouth per day?
Q.9. What is the pH value of saliva?
Q.10. What is the nature of saliva, acidic or basic?
Q.11. From the mouth the food reach in stomach through?
Q.12. Do digestion takes place in food pipe?
Q.13. For how much time approximately the food lies in stomach?
Q.14. Which gland secretes gastric juice in stomach?
Q.15. What is the colour of gastric juice secreted in stomach?
Q.16. What is the nature of gastric juice secreted in the stomach?
Q.17. Which acid is secreted from the oxyntic cells of the stomach which kills all the bacteria coming with the food and accelerates the reaction of enzymes?
Q.18. Which enzymes are present in gastric juice secreted in stomach?
Q.19. Which enzyme breaks down the protein in stomach into peptones?
Q.20. Which enzyme breaks down caseinogen into caaein in stomach?
Q.21. Bile juice from liver combines with the food in?
Q.22. What is the nature of bile juice?
Q.23. Pancreatic juice from pancreas combines with the food in?
Q.24. Which enzymes are present in pancreatic juice?
Q.25. Which enzyme in pancreatic juice converts protein and peptone into polypeptides and amino acid?
Q.26. Which enzyme in pancreatic juice converts starch into soluble sugar?
Q.27. Which enzyme in pancreatic juice converts emulsified fats into glycerol and fatty acids?
Q.28. Absorption of digested food start in?
Q.29. Intestinal juices are secreted from?
Q.30. Which enzymes are there in intestinal juices?
Q.31. Which enzyme in intestinal juice convert the remaining protein and peptone into amino acids?
Q.32. Which enzyme in intestinal juice converts maltose into glucose?
Q.33. Which enzyme in intestinal juice converts sucrose into glucose and fructose?
Q.34. Which enzyme in intestinal juice convert lactose into glucose and galactose?
Q.35. Which enzyme in intestinal juice converts emulsified fats into glycerol and fatty acids?
Q.36. What is the nature of intestinal juice?
Q.37. How much intestinal juice is secreted in a healthy person everyday?
Q.38. Reaching of digested food into blood is known as?
Q.39. Absorption of digested food takes place through?
Q.40. Use of absorbed food in the body is known as?
Q.41. Undigested food is turned into faeces by bacteria in?
Q.42. Faeces is excreted through?
Q.43. Which is the largest gland of human body?
Q.44. What is the approximate weight of liver?
Q.45. Which gland secretes bile juice?
Q.46. Which juice accelerate the reaction of enzymes present in the intestine?
Q.47. Which organ converts excess of amino acid into ammonia by deamination?
Q.48. Which cycle converts ammonia into urea in human body?
Q.49. Urea comes out from human body through?
Q.50. Which organ converts some quantity of protein into glucose during deficiency of carbohydrates?
Q.51. Which organ converts the excess of glucose found in blood into glycogen and store it into hepatic cell as reserve nutrients?
Q.52. Which organ converts reserve glycogen into glucose if there is a necessity of glucose in the body?
Q.53. Which organ regulates the quantity of glucose in the blood?
Q.54. Which organ converts some parts of carbohydrates into fats in case of decrease of fats in food?
Q.55. Fibrinogen protein, which helps in clotting of blood, is produced by?
Q.56. Which protein prohibits the clotting of blood inside the body?
Q.57. Production of heparin protein takes place in?
Q.58. Which organ destroys dead RBC?
Q.59. Which organ reserves some quantity of iron, copper and vitamin?
Q.60. Which organ helps in regulating the body temperature?
Q.61. Which organ is an important clue in investigating a person's death who have been poisoned in food?
Q.62. Pear shaped sac in which the bile coming out of liver is stored is known as?
Q.63. Bile comes into the duodenum from gallbladder through?
Q.64. Secretion of bile into the duodenum takes place by?
Q.65. What is the colour of bile juice?
Q.66. What is the nature of bile juice?
Q.67. What is the pH value of bile juice?
Q.68. What is the percentage of water in bile juice?
Q.69. What is the percentage of bile pigment in bile juice?
Q.70. Which use makes the medium of food alkaline so that pancreatic juice can work?
Q.71. Do bile juice kill the harmful bacteria coming with food?
Q.72. Do bile juice emulsify fat?
Q.73. Which juice accelerates the movement of intestine by which digestive juices in the food mix well?
Q.74. Which juice is helpful in absorption of vitamin K and other vitamins mixed in fats?
Q.75. In case of obstruction in bile duct, liver cells stop taking billirubin from blood due to which billirubin spread throughout the body, this condition is known as?
Q.76. Which is the second largest gland of human body?
Q.77. Which gland simultaneously act as endocrine and exocrine gland?
Q.78. Which juice is secreted by pancreas?
Q.79. What is the percentage of water in pancreatic juice?
Q.80. What is the percentage of salt and enzymes in pancreatic juice?
Q.81. What is the nature of pancreatic juice?
Q.82. What is the pH value of pancreatic juice?
Q.83. Which juice can digest all three types of food materials (carbohydrate, protein and fat)?
Q.84. Which juice is called complete digestive juice?
Q.85. Islets of langerhans is part of?
Q.86. Who discovered islets of langerhans?
Q.87. Which hormone is secreted from Beta cells of islets of langerhans?
Q.88. Which hormone is secreted from Alpha cell of islets of langerhans?
Q.89. Which hormone is secreted from Delta cell of islets of langerhans?
Q.90. Who discovered insulin?
Q.91. Which hormone controls the process of making glycogen from glucose?
Q.92. Which disease is caused due to deficiency of insulin?
Q.93. Which disease is caused by excessive flow of insulin due to which one loses the reproducing capacity and vision deteriorates?
Q.94. Which polypeptide hormone increases the duration of assimilation of food?


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