Question

In human beings, the process of intake of essential nutrients in the form of food takes place through an entire system known as the digestive system. The human digestive system constitutes a long tubular structure called the alimentary canal and various digestive glands associated with it. These glands secrete different digestive enzymes. 
 
(17.1) In which order do these events occur in human nutrition?
a.   Digestion     Ingestion       Absorption       Assimilation
b.  Digestion      Ingestion        Assimilation       Absorption 
c.    Ingestion           Absorption         Assimilation       Digestion
d.  Ingestion       Digestion        Absorption       Assimilation 
(17.2) The diagram shows the human digestive system, Identify the structures which secrete digestive enzymes. 
                                         
a.   1, 2, 3 and 4
b.   1, 2, 3 and 6
c.    2, 3, 4 and 5
d.   2, 3, 5 and 6
(17.3)  Fill in the blank;-
   . ………. is the site of the complete digestion of carbohydrates, proteins, and fats.
 
(17.4)  The diagram represents a transverse section of the human intestine. What is the role of structure labeled X? 
 
                                                                      
a.   They help to digest food 
b.  They increase the surface area for absorption of food 
c.    They protect against bacteria
d.  They move mucus over the surface 
 
(17.5)The gall bladder of a patient is removed because of gall bladder stones. Which kind of nutrient in the diet should be avoided? 
      (a)Carbohydrates   (b)Proteins   (c) Fats  (d) Vitamins and minerals   ​

Answer 1

Answer:

17.1 d

17.2 b

17.3 small intestine

17.4 a

17.5