Contents

Gaseous Exchange





Respiration, Gaseous Exchange and Breathing:

Energy releasing process at cellular level is…

a) respiration                 

b) photosynthesis

c) circulation                  

d) combustion


a

……take place inside living cells to release energy stored in nutrients in food.

a) photosynthesis           

b) cellular respiration

c) osmosis                                   

d) glycolysis

b

3) During internal and external respiration, gases move by……….

a) osmosis                                   

b) active transport

c) diffusion                    

d) endocytosis

c

The term glycolysis refers to cell’s ability to…
a) export products it has made to other cells
b) enzymatically split a molecules of glucose into two molecules of pyruvic acid
c) produce a steady source of energy in the form of ATP       
d) divide and replicate itself
e) communicate with other cells in a different part of the body

b

Exchange of oxygen and carbon dioxide between organism and its environment is called…………..
a) respiration       
b) Gaseous exchange
c) photosynthesis                
d) all of these


b