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biology 24 human respiratory system
Pg.No.
1
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Page 1
Q.1. Which is the most important organ of the respiratory system of humans?
Q.2. Exchange of gases during respiration in humans takes place in?
Q.3. The main function of which respiratory organ is related to sniffing and its inner cavity is lined with mucous membrane?
Q.4. How much mucous is secreted everyday by mucous membrane in nasal passage?
Q.5. _________ prevents the particles of sand, bacteria or other small organisms from entering into the body while breathing?
Q.6. _________ makes the air wet entering into the body while respiration and equalizers it with the temperature of the body?
Q.7. Pharynx is situated behind?
Q.8. The part of respiratory system which connects the pharynx with trachea is known as?
Q.9. What is the main function of larynx?
Q.10. At the larynx entrance gate there is a thin blade like door, which is known as?
Q.11. Which part of respiratory system closes the glottis when any food particle is swallowed so that it does not enter into respiration pipe?
Q.12. Which organ of respiratory system enters into thoracic cavity?
Q.13. The two main branches of trachea are known as?
Q.14. Right bronchi enter into the right lung after being divided into?
Q.15. Left bronchi enter into the left lung after being divided into?
Q.16. How many lungs are there in thoracic cavity in humans?
Q.17. What is the colour of lungs?
Q.18. Lungs physically look like?
Q.19. Which lung is larger in size in pair of lungs in humans?
Q.20. Each lung is surrounded by a membrane which is known as?
Q.21. Lungs have a network of ________ where oxygen enters into the blood and carbon dioxide comes out?
Q.22. The process of respiration can be divided into?
Q.23. External respiration is divided into how many parts?
Q.24. In lungs air is taken and given out at a certain rate which is known as?
Q.25. Mechanism of breathing can be divided into?
Q.26. The process of air entering into the lungs is known as?
Q.27. The process of air coming out of lungs is known as?
Q.28. What is the constitution of air inhaled by lungs?
Q.29. What is the constitution of air exhaled by lungs?
Q.30. Approximately how much water is excreted daily through breathing?
Q.31. Exchange of gases during respiration takes place inside?
Q.32. The exchange of gases in the lungs takes place on the basis of?
Q.33. The exchange of Oxygen and Carbon dioxide gases inside lungs takes place due to their difference in?
Q.34. The process of reaching of gases (Oxygen and Carbon dioxide) from lungs to the cells of body and coming back again to the lungs is known as?
Q.35. Transportation of oxygen in body takes place through?
Q.36. Transportation of carbon dioxide from cells to the lungs takes place through?
Q.37. Carbon dioxide forms ______ after mixing with blood plasma?
Q.38. How much percentage of carbon dioxide is transported in the form of carbonic acid?
Q.39. Carbon dioxide mixes with potassium and sodium of blood to form?
Q.40. How much percentage of carbon dioxide in blood is transported in the form of bicarbonates?
Q.41. Inside the body, gaseous exchange takes place between blood and tissue fluid which is known as?
Q.42. The gaseous exchange in lungs is known as?
Q.43. Glucose is oxidised by oxygen reached into the cell, this process is known as?
Q.44. Which are the different types of cellular respiration?
Q.45. Cellular respiration in which oxidation of food takes place in the absence of oxygen is known as?
Q.46. How many ATP molecules are produced from one molecule of glucose during anaerobic respiration?
Q.47. What is the final product of anaerobic respiration in animal tissue?
Q.48. What is the equation of anaerobic respiration in animals?
Q.49. What is the equation of anaerobic respiration in plants?
Q.50. Which type of cellular respiration takes place in the presence of oxygen?
Q.51. What is the equation for aerobic respiration?
Q.52. How many ATP molecules are produced during aerobic respiration?
Q.53. The process of cellular respiration is divided into?
Q.54. Who were the first to study glycolysis?
Q.55. Glycolysis is also known as?
Q.56. Glycolysis is present in which types of respiration?
Q.57. The process of glycolysis takes place in?
Q.58. As a result of decomposition of one glucose atom in glycolysis two atoms of _______ is formed?
Q.59. How many molecules of ATP (adenosine triphosphate) are required to start glycolysis?
Q.60. How many ATP molecules are produced at the end of glycolysis?
Q.61. Is Oxygen needed in glycolysis?
Q.62. Who described kerb's cycle?
Q.63. Kreb's cycle is also known as?
Q.64. Kerb's cycle takes place inside?
Q.65. How many molecules of ADP (adenosine diphosphate) are formed in kerb's cycle?
Q.66. How many molecules of ATP (adenosine triphosphate) are produced in kerb's cycle?
Q.67. How many pairs of hydrogen atom are released in kerb's cycle?
Q.68. Which are the respiratory substances in animals?
Q.69. _______ is a catabolic process?
Q.70. Which molecules are formed due to oxidation of pyruvic acid?
Q.71. How many ATP molecules are obtained during respiration?
Q.72. Oxidation of which respiratory substance takes place first?
Q.73. Oxidation of which respiratory substance takes place after consumption of carbohydrates?
Q.74. Oxidation of which respiratory substance takes place after consumption of fats?
Q.75. Set of metabolic pathways that breaks down molecules into smaller units that are either oxidized to release energy or used in other anabolic reactions is known as?
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