Class 10th Biology Chapter 10 Gaseous Exchange MCQs Short Long Notes

biology 10th notes Chapter 10

1. Which of the following lessens the capacity of oxygen carrying haemoglobin?


2. Cluster of pouches found in respiratory system:


3. Most of the gaseous exchange in a leaf occurs through:


4. A disease involving the breakdown of air sacs of the lungs is;


5. Bronchitis is caused by:


6. Function of pleural membrane is to:


7. The lenticels are present in:


8. Which structure actively helps in taking the air out of lungs?


9. Plants undergo respiration during:


10. When the lungs expand, the air pressure within them:


11. __________ is also called voice box.


12. The destruction of wall of alveoli is called:


13. C-shaped cartilaginous rings are present in the wall of;


14. Which one is the form -o f allergy?


15. Which of the following processes takes place during exhalation?


16. During exercise or other hard physical works the breathing rate may increase up to _____________ times per minute.


17. in which of the following disease, the patient has usually lost 50 percent to 70 percent of his/ her lung tissue when symptoms appears?


18. The length of trachea is:


19. Smoking can lead to:


20. Total chemicals in tobacco smoke are:


21. Humans breathe __________ times per minute in normal circumstances.


22. Air passageway starts from:


23. Smoking may also lead to the cancers in:


24. A thick muscular structure present below the lungs is called:


25. How many bronchi are there in the air passageway?


26. How many lobes are present in right lung?


27. Rate of breathing depends upon concentration of which gas in the blood?


28. In developing world smoking has:


29. Which remains unaffected in expired air


30. What type of blood vessels surrounds the alveoli?


31. Where does the gaseous exchange occur in humans?


32. Temperature of expired.air is:


33. The ‘World No Tobacco Day’ is celebrated on the _____________every year.


34. A powerful poison which damages brain is:


35. The normal breathing rate in human being is:


36. Cigarette smoke contains over _______ known carcinogens.


37. Pneumonia is an infection of:


38. Dusky or purplish skin colour is a symptom of:


39. In young stems and leaves some gaseous exchange occurs through


40. Lungs are organ which are;


41. Amount of carbon dioxide in inspired air is:


42. _________ is also called windpipe.


43. Amount of oxygen in expired air is:


44. Which process does not occur in the nasal cavity?


45. Amount of nitrogen in expired air is:


46. The stomata are present in:


47. Tooth loss is times higher in smokers than in non-smokers.


48. Which of the following is a common passage for both food and air?


49. How many pairs of ribs are there in humans?


50. Percentage of CO₂ in exhaled air during breathing is:


51. Exchange of gases occurs through lenticels in;


52. Which one fakes deoxygenated blood , towards lungs


53. Passive smoking in non-smokers has increased heart rate by:


54. The most common cause of pneumonia is a bacterium called:


55. Respiratory centre present in ___________ controls the rate of breathing.


56. larynx is made up of:


57. The main cause of lung cancer is:


58. The process of gaseous exchange involves:


59. The primary chemical stimulus for breathing is the concentration of;


60. The air goes from the pharynx into:


61. In humans and other higher animals, the exchange of gases is carried out by:


62. Cough, mild wheezing, fever, chills and shortness of breath are symptoms of:


63. Some viral and fungal infections may also lead to:


64. the following gaseous exchange occurs through stomata?


65. Rib muscles are called:


66. A flap of tissue which guards glottis is:


67. The amount of oxygen present in expired air is:


68. Point out the FALSE statement about respiration.


69. Asthma is caused by:


70. The inflammation of bronchi or bronchioles is called:


71. Which of the following is called voice box?


Short Questions

1. According to WHO report, what is the rate of smoking world-wide?
2. At which stage do we call pneumonia as double pneumonia?
3. Define arterio-sclerosis?
4. Define cellular respiration?
5. Describe the changes which take place during expiration or exhalation in the chest cavity?
6. Describe the purpose of hairs and mucous in nasal cavity.
7. Describe the role of air spaces found among inner cells of leaves and stems
8. Differentiate between acute and chronic Bronchitis.
9. Differentiate between breathing and respiration.
10. Differentiate between glottis and epiglottis.
11. Differentiate between Inspiration and Expiration.
12. Differentiate between inspired air and expired air.
13. Differentiate between stomata and lenticels.
14. Differentiate between stomata and lenticels.
15. Differentiate in pharynx and larynx.
16. Do plants have specialized system for the exchange of gases?
17. Does emphysema causes serious complications in patient?
18. Give any two bad effects of smoking.
19. Give symptoms of bronchitis.
20. Give the role of fine hairs and mucous in nasal cavity.
21. Give the symptoms and treatment of Pneumonia.
22. Give the symptoms of Lung cancer.
23. How are lungs protected?
24. How asthma is treated
25. How can we prevent and treat pneumonia?
26. How cellular respiration and photosynthesis help to maintain O₂ and CO₂ concentrations during daytime?
27. How did the gaseous exchange occur in young stem and leaves?
28. How does an uncontrolled cell division form tumors?
29. How does cuticle are involved in gaseous exchange plants? OR How does gaseous exchange take place in young stems and leaves? 
30. How does gaseous exchange occur in aquatic plants?
31. How does gaseous exchange occur through lenticels?
32. How does nicotine affect our circulatory system and brain?
33. How does smoking affect the social life of a person?
34. How general surface of the roots are involved in gaseous exchange plants?
35. How sound is produced?
36. How teeth are affected by smoking?
37. How will you define term gaseous exchange?
38. If smokers stop smoking? What will happen to his health?
39. Name any two respiratory disorders which are caused due to smoking.
40. Name the membranes surrounding lungs. What is their function?
41. Name the stems and roots which surfaces are entirely covered by bark?
42. name the types of bronchitis?
43. Trace the path of air from the nasal cavity to the alveoli. 
44. What are alveolar ducts?
45. What are alveoli?
46. What are pleural membranes? Give their role.
47. What are stomata? Write their function
48. What are the causes of pneumonia?
49. What are the effects of smoking on teeth?
50. What are the main causes of any cancer and lung cancer?
51. What are the symptoms of asthma?
52. What are the symptoms of bronchitis?‘
53. What are vocal cords?
54. What do you know about aerobic respiration ?
55. What do you know about emphysema?
56. What do you know about vocal cords?
57. What is a stoma?
58. What is Alveolus? Give its role.
59. What is Asthma? Give its causes.
60. What is breathing?
61. What is bronchitis and its causes‘?
62. What is bronchus?
63. What is diaphragm? Give its role.
64. What is Emphysema? Write its symptoms.
65. What is Larynx? Give its role. 
66. What is Lung cancer? Give its causes.
67. What is meant by double pneumonia ?
68. What is meant by passive smoking? How it is more dangerous?
69. What is meant by Pneumonia and double Pneumonia? Give its major cause.
70. What is meant it Bronchitis? Give its causes.
71. What is nasal cavity? Give its role.
72. What is nicotine?
73. What is percentage of heart and lung diseases in non-smokers?
74. What is pneumonia?
75. What is skin color of pneumonia patient?
76. What is the composition of Tobacco smoke?
77. What is the effect of smoking on circulatory system?
78. What is the effect of smoking on social life?
79. What is the most common cause of cancer-related deaths?
80. What is the primary goal in the prevention of lung cancer?
81. What is trachea? Give its role.
82. What part of the blood transports oxygen from lungs to the cells of the body?
83. When world tobacco day is celebrated?
84. Where are lenticels found? Write down their function.
85. Where does causative organism of pneumonia attack‘? ‘
86. Where does intercoastal muscles are located? 
87. Where is epiglottis found?
88. Whiat are lenticels?
89. Which two membranes enclose the lungs?
90. Which unique ability related to voice box make humans superior to all organisms?
91. Why our breathing rate increases during hard exercise?
92. Why the blood become viscous due to smoking.
93. Write down most common symptoms of lung cancer?
94. Write down the names of two major types of bronchitis.
95. Write down the relationship among, smoking, pneumonia and tuberculosis?
96. Write down the role of respiratory centre in accelerated breathing during exercise?
97. Write down the symptoms of asthma.
98. Write down the symptoms of bronchitis
99. Write down the symptoms of emphysema?
100. Write down the symptoms of pneumonia?
101. Write names of microorganisms causing pneumonia. 
102. Write the role of WHO against smoking?
103. Write the symptoms and treatment of Asthma.

Long Questions

1. Describe the mechanism of breathing.
2. Describe the sign and symptoms, causes and treatment of Pneumonia.
3. Enlist the different parts of air passage way of human respiratory system. Give detail of each part.
4. How gaseous exchange occurs in plants?
5. What do you know about Emphysema? Write its symptoms.
6. What is Bronchitis? State it types, symptoms and causes.
7. What is Lung cancer? Describe its cause, symptoms and prevention.
8. Write a note on the lungs.
9. Write down the bad effects of smoking.


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