10th Class Biology Solved MCQS
How many bronchi are there in the air passageway?
None of these
One
Two
Many
The normal breathing rate in buman being is:
10-40 times per minute
30-40 times per minute
16-20 times per minute
None of these
All the alveoli of one side unite to form:
Chest Box
Kidney
Lung
Thorax
Cartilage is absent in:
trachea
bronchioles
bronchi
larynx
Which of the following is called voice box?
Bronchi
Larynx
Alveoli
Trachea
The muscles of ribs are called;
Cardiac muscles
Intercoastal muscles
Smooth muscles
Coastal muscles
Rate of breathing depends upon concentration of which gas:
Hydrogen
Oxygen
Carbon dioxide
Nitrogen
In which of the following gaseous exchange occur through stomata?
The aquatic plants
Wood stems and nature roots.
The leaves and young stems
Young roots
The inflamation of bronchi or bronchioles is caled:
Chest box
Emphysema
Bronchites
Pneumonia
In man the correct passage of air is:
Notrils , nasal, cavity, larynx, pharynx, trachea,bronchioles, alveolar, duct alveoli,
Nasal cavity, nostrils, larynx, pharynx, alveoli , trachea bronchi, bronchioles ,alveolar dict ,
nostrils, nasal cavity, Pharynx, larynx , bronchi, trachea , bronchioles , alveolar duct, alveoli
nostrils, nasal, cavit, pharynx, trachea, arynxl, bronchi, bronchioles alveolar,duct, aleoli
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