This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Biology 12 Chapter 14 Respiration - 26
1.
Which protein allows alveoli to expand and recoil easily during breathing?
a) Haemoglobin
b) Histones
c) Globulin
d) Collagen
2.
What is the function of collagen in the walls of alveoli?
a) To provide stiffness
b) To provide rigidity
c) To provide elasticity
d) To cover superior surface of diaphragm
3.
Which protein allows alveoli to expand during breathing?
a) Collagen
b) Histones
c) Haemoglobin
d) Globulin
4.
What is the function of Elastin in the walls of alveoli?
a) To provide elasticity
b) To cover superior surface of diaphragm
c) To provide rigidity
d) To provide stiffness
5.
Which protein allows alveoli to expand during breathing?
a) Haemoglobin
b) Histones
c) Elastin
d) Globulin
6.
By what, alveoli of human beings are lined?
a) Hilum
b) Histones
c) Glucagon
d) Surfactant
7.
What is the composition of surfactant?
a) Histones
b) Haemoglobin
c) Globulin
d) Lipoproteins
8.
Which protein is in the composition of surfactant?
a) Lipoproteins
b) Histones
c) Globulin
d) Haemoglobin
9.
What is the function of surfactant that lined alveoli?
a) Protect them from harmful gases
b) Prevent them from closing
c) Provide surface tension
d) Both b and c
10.
Where is Elastin present?
a) Nasal cavity
b) Trachea
c) Pharynx
d) Wall of alveolus
This is more feedback!
This is the feedback!
