Gaseous Exchange With Answers

Gaseous Exchange

Sr. # Questions Answers Choice
1 The length of trachea is: 10 cm 12 cm 22 cm 20 cm
2 What type of blood vessels surrounds the alveoli? Artery Arteriole Capillary Vein
3 The primary chemical stimulus for breathing is the concentration of. Carbon dioxide in blood. Oxygen in blood Carbon oxide in muscles Oxygen in muscles.
4 Which structure actively helps in taking the air out of lungs? Nasal cavity Bronchus Bronchiole Diaphragm
5 Where does the gaseous exchange occur in humans? Pharynx Trachea Bronchi Alveoli
6 How many bronchi are there in the air passageway? One Two Many None of these
7 Most of the gaseous exchange in a leaf occurs through. Stomata General surface Cuticle lenticels
8 The process of gaseous exchange involves. Break down of C-H bounds to yield energy. Physical movements that take air ain and our of body Getting oxygen from the air and removing carbon dioxide Transport of oxygen by the blood to different parts of the body.
9 A disease involving the breakdown of air sacs of the lungs is: Bronchitis emphysemsa pneumonia asthma
10 The major cause of lungs cancer is: nicotine smoking viral infection radiation
11 The uncontrolled cell divisions in lungs tissue is called: bronchitis emphysema cancer Asthma
12 The correct list of respiratory disorders is; Asthma, emphysema. pneumonia , bronchitis Asthma , penumonia , heamophlia , typhoid, Asthma , blood , cancer , emphysema, cholera Asthma , cholera, emphysema , malaria
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