Contents

Dietary fiber speeds up the passage of ……….
a) food  
b) blood                
c) water 
d) urine


a

Dietary fiber speeds up the passage of food, so it reduces the risk of…………
a) constipation                    
b) colon cancer
c) heart diseases                  
d) all of these


d

Which of the following reduces the level of cholesterol in blood?
a) protein                                              
b) lipid
c) carbohydrate                  
d) dietary fiber


d

The most abundant substance in human body is
a) protein                                              
b) lipids
c) carbohydrate                  
d) water


d

The amount of water in human body is about….
a) 50%  
b) 60%                  
c) 70%  
d) 90%


c

During metabolic reaction, water act as a……
a) enzyme                                            
b) solvent
c) energy source                  
d) cofactor

b