Test Preparation on Biology-Breathing and Exchange of Gases
1.
Respiration is helpful in
2.
Respiration, occures in the presence of oxygen is called
3.
The surface, from which the exchange of, the gas takes place, is called
4.
During respiration......
5.
A respiratory surface must be ?
6.
Which of the following shows pulmonary respiration
7.
What is called the Upper region of Pharynx in man ?
8.
The diameter of human trachea is about
9.
The length of human trachea is about
10.
The trachea is supported by, cartilaginous rings,which are.........shaped
11.
Sound production in humans is controlled by
12.
A lung contains many small balloon like air sacs. are called.....
-
Check your progress:
 Right Ans |
 Wrong Ans |
 Not Attempted |