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Biology Class 11 Chapter 13 - Gaseous Exchange - Part 4
1.
The cork tissue has special pores called _________, involved in gaseous exchange.
a) Lenticels
b) Stomata
c) Earthwarm
d) Ventilation
2.
Walls of the chest cavity are composed of:
a) Intercostal muscle
b) Ribs, intercostal muscle and diaphragm
c) Ribs and intercostal muscle
d) Ribs
3.
.In respiratory properties the surface area should be large and moist
a) Bronchioles are obstructed as a result of inflammation.
b) Air existing in the spaces between the soil particles.
c) Air sac
d) Lungs in the land vertebrates.
4.
From the spiracles air enters into trachea and than ___________.
a) Earthwarm
b) Tracheole
c) Ventilation
d) Photo respiration
5.
Carbon dioxide
a) Cetaceans
b) Regulator of normal alveolar.
c) Stores some oxygen
d) Mycobacterium
6.
Enormous number of stomata are present on the leaves
a) Air existing in the spaces between the soil particles.
b) Lungs in the land vertebrates.
c) Bronchioles are obstructed as a result of inflammation.
d) 12000 per square centimeters of leaf in tobacco plant.
7.
Emphysema produces increased air way resistance
a) Air sac
b) 12000 per square centimeters of leaf in tobacco plant.
c) Air existing in the spaces between the soil particles.
d) Bronchioles are obstructed as a result of inflammation.
8.
Xylem and phloem are not involved:
a) In transport of liquids
b) In transport of minerals
c) In transport of gases
d) In transport of water
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