Contents

Which of the following organic food most generally broken down into COand water?
a) fructose                                            
b) protein
c) glucose                                             
d) ribose

c

The process of respiration occurs  in …….
a) animals                                            
b) plants and algae
c) fungi and bacteria          
d) all of them

d

The oxidation-reduction of food inside cell is called……
a) external respiration  
b) internal respiration
c) intercellular respiration  
d) all of them

b

The breathing process is also known as…….
a) external respiration 
b) internal respiration
c) intercellular respiration  
d) all of them

a

Which of the following gases are exchanged between organisms and environment?
a) CO2 and O2                     
b) CO2 and N2
c) Cl2 and O2                                     
d) N2 and O2

a

Respiration is of………types.
a) two    
b) three                 
c) four   
d) six

a