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Biology 10 Chapter 10 - Gaseous Exchang-2
1.
Most of the gaseous exchanges in plants take place through?
a) Air spaces
b) Stomata
c) Lenticels
d) Cutical
2.
The mesophyll cells of leaves and sterns have following for gaseous exchange?
a) Air spaces
b) Stomata
c) Cutical
d) Lenticels
3.
During daytime oxygen produced during photosynthesis is used in?
a) All of above
b) Gaseous exchange
c) Breathing
d) Respiration
4.
Carbon dioxide released during respirations is used during?
a) Photosynthesis
b) Food formation
c) Energy formation
d) Photorespiration
5.
Entire surface of woody stems and roots is covered with?
a) Bark
b) Epidermis
c) Cutical
d) Hypodermis
6.
Pores in the layers of bark which are used for gaseous exchange are termed as?
a) Lenticels
b) Stomata
c) Guard cells
d) Air spaces
7.
The aquatic plants get oxygen from and release CO2 to?
a) Soil
b) Mud
c) Air
d) Water
8.
In humans and other organisms the exchange of gases takes place through?
a) Respiratory system
b) Excretory System
c) Circulatory system
d) Reproductively system
9.
Respiratory system is divided into following parts?
a) 4 Parts
b) 3 Parts
c) 5 Parts
d) 2 Parts
10.
Leaf cells release CO2 through?
a) Cutical
b) Lenticels
c) Air spaces
d) Stomata
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