Unit 10: Human Respiratory System — Mcqs
11th Class Biology · Unit 10: Human Respiratory System
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Multiple Choice Questions (Exercise)
1.During inhalation, diaphragm;
2.Which part of the respiratory system acts as the respiratory surface?
3.How many oxygen molecules can attach with a haemoglobin molecule?
4.What is TRUE about respiratory pigments?
5.Which respiratory pigment is found in muscle tissue?
6.What is the maximum amount of air that can be inhaled or exhaled during a respiratory cycle?
7.In what form is carbon dioxide primarily transported in the bloodstream?
8.Which of the following treatments is commonly used to manage pulmonary TB?
- a Antibiotics
- b Cough syrup
- c Surgery
- d Chemotherapy
9.Which of the following is a common cause of pneumonia?
10.Emphysema is characterized by:
SLO Based Multiple Choice Questions
Respiratory System of Man
11.Which is included in cellular respiration?
12.It is part of upper respiratory tract:
13.Nasal cavity contains chemoreceptors needed for:
14.Pharynx is part of both respiratory system and:
15.Voice box in humans is infact:
16.During swallowing epiglottis closes:
17.Wall of trachea has which type of rings of cartilage:
18.Cartilage plates are not present in:
19.Pleura cavity of lungs is filled with:
20.The right lung is large and contains how many lobes:
Transport of Gases
21.Which provide the respiratory surface where gas exchange takes place?
22.Cluster of alveoli contains alveoli:
- a 2 to 2
- b 20 to 30
- c 200 to 300
- d 2000 to 3000
23.Oxygen inside alveoli is absorbed by blood via:
24.In breathing role is played by:
25.Which is not true for inspiration?
26.Intercostal muscles are related to:
27.Control of breathing is located in:
28.Whole blood carries oxygen almost:
29.Oxygen is bound to haemoglobin in:
30.Partial pressure of oxygen in vein is:
31.Partial pressure of oxygen in alveoli at sea level is:
- a 104 mm Hg
- b 105 mm Hg
- c 106 mm Hg
- d 107 mm Hg
32.At 105 mm Hg of partial pressure of oxygen how much haemoglobin combines with oxygen.
33.pH of blood is lowered by which gas produced by tissue:
34.Bohr effect shows effect of which factor on haemogloblins affinity for oxygen:
35.Approximately 72% of CO2 is carried in blood as:
36.In Hamburger phenomenon which ion is involved:
37.Chloride shift is related to transport of:
38.Myoglobin provide oxygen to:
39.Haemoglobin is composed of how many globin polypeptide chain/s:
Respiratory Pigments
40.Which of following are respiratory pigments?
41.Number of oxygen (O2) molecules, one haemoglobin can carry:
42.The polypeptide chain of haemoglobin are held together by:
43.Which statement is correct about myoglobin?
44.When does oxyhaemoglobin release oxygen?
45.The number of amino acids in α-chain of Haemoglobin:
46.The number of amino acids in β-chain of Haemoglobin:
47.Single polynucleotide chain of myoglobin has___ amino acids.
Respiratory Disorders
48.Which disease affects ear:
49.Plugged nose, pus like nasal discharge, loss sense of smells are symptoms of:
50.Accumulation of fluid in Eustachian tube causes which diseases:
51.Pneumonia is a form of acute respiratory infection affects:
52.Cause of tuberculosis is:
53.Which part of the body is affected in pulmonary tuberculosis:
54.Emphysema is breakdown of:
55.Inflammation of lining that surround nasal cavity is known as:
56.Nebulization can be useful in reducing inflammation of nose to treat which disorder?
57.Growth of bacteria and viruses in the middle ear leads to which disorder?
58.Which one is single largest infectious disease and cause of death in children worldwide?
59.Which infectious entities cause pneumonia?
60.Small cavities and holes formation in lung tissues are due to?
- a Emphysema
- b Bronchitis
- c Pulmonary tuberculosis
- d Pneumonia
61.Emphysema can also be caused by deficiency of which protein?