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Food breakdown start with which of the following method?
a) chemical                          

b) enzymatic
c) physical                           

d) none of these

c

Explanation:Mechanical digestion is a purely physical process that does not change the chemical nature of the food.



Which of the following process/es is/are included in physical digestion?
a) chewing and cutting by teeth       
b) rolling and mixing of food by tongue
c) mashing the food by stomach muscles
d) all of these

d

The digestion of the food particles by the action of enzymes is called………digestion.
a) chemical                         

b) enzymatic
c) physical                                            

d) none of these

a

Explanation:This is the process where complex molecules like proteins, fats, and carbohydrates are broken down into smaller pieces that your body can use. 



Large molecules of food are broken down into smaller and diffusible particles by ……
a) acids 

b) enzymes          

c) salts   

d) bases

b

Human Digestive System:

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.


In which of the following digestive organ, the digestion is start?
a) mouth              

b) esophagus       

c) stomach           


a