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Biology 12 Chapter 14 Respiration - 27
1.
What is the function of surfactant that lined alveoli?
a) To expand and recoil easily during respiration
b) To expand and recoil easily during breathing
c) Provide surface tension
d) Protect them from harmful gases
2.
What is the function of surfactant that lined alveoli?
a) To expand and recoil easily during breathing
b) Speed up transport of oxygen b/w air and liquid
c) To expand and recoil easily during respiration
d) Protect them from harmful gases
3.
What is the function of surfactant that lined alveoli?
a) Protect them from harmful gases
b) To expand and recoil easily during respiration
c) Prevent them from closing
d) To expand and recoil easily during breathing
4.
What is the function of surfactant that lined alveoli?
a) To expand and recoil easily during respiration
b) Protect them from harmful gases
c) Speed up exchange of gases
d) To expand and recoil easily during breathing
5.
What is the function of surfactant that lined alveoli?
a) Kill bacteria which reach alveoli
b) To expand and recoil easily during breathing
c) Protect them from harmful gases
d) To expand and recoil easily during respiration
6.
What is the function of surfactant that lined alveoli?
a) To expand and recoil easily during respiration
b) Protect them from harmful gases
c) Speed up transport of CO@2# b/w air and liquid
d) To expand and recoil easily during breathing
7.
What is constantly being secreted and reabsorbed in a healthy lung?
a) Haemoglobin
b) Histones
c) Surfactant
d) Globulin
8.
What are the principal organs of respiration?
a) Lungs
b) Bronchi
c) Nose
d) Trachea
9.
What is present just below the lungs?
a) Stomach
b) Diaphragm
c) Heart
d) Intestine
10.
What is the shape of human lung?
a) Bean-shaped
b) Lobe- shaped
c) Sac-like
d) Conical in shape
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