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Biology Class 11 Chapter 13 - Gaseous Exchange - Part 7
1.
The Pathway in which RUBP is converted into choline is celled photorespriation.
a) False
b) True
2.
In most animals the epithelium which separates air and blood is only one called thick.
a) True
b) False
3.
Lungs are most effective and highly modified for gaseous exchange in aquatic animals.
a) False
b) True
4.
In frog the gaseous exchange occur through lung, by tongue and buccal cavity.
a) True
b) False
5.
Gaseous exchange through the lungs is called tissue respiration.
a) False
b) True
6.
The consumed air after gaseous exchange moves out of nostrils through the lungs.
a) False
b) True
7.
The larynx or voice box is a complex cartilaginous structure surrounding the upper end of the trachea.
a) True
b) False
8.
Air- sac is the functional unit of the lungs.
a) True
b) False
9.
During expiration the muscles of ribs are relaxed and the ribs move upward and out ward.
a) True
b) False
10.
The pH of blood also influence the degree to which oxygen binds to RBC.
a) False
b) True
11.
Tuberculosis is a disorder of respiratory system.
a) False
b) True
12.
Emphysema is a break down of alveoli.
a) False
b) True
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