Contents

How much percentage of faeces consists of bacteria?
a) 2 %   

b) 20 %                 

c) 3        

d)  30 %


Taking in food is called……
a) chemical digestion         

b) ingestion
c) physical digestion           

d) egestion


Crushing of food from large size to small size particles is called…….
a) chemical digestion         

b) ingestion
c) physical digestion         

d) egestion


Breakdown of large food molecules into small food molecules with the help of enzymes is called………
a) chemical digestion       

b) ingestion
c) physical digestion           

d) egestion


Small food molecules after digestion pass from digestive system to blood by is called……
a) absorption                      

b) assimilation
c) physical digestion           

d) egestion


Food molecules are taken into cells and used by……….
a) absorption                       

b) assimilation
c) physical digestion           

d) egestion