Contents

Nitrogen is the main component of ……
a) protein                                              
b)hormones
c) salts                                   
d) both a and b

d

Nitrogen is the main component of ……
a) chlorophyll                      
b)vitamins
c) enzymes                           
d) all of these

d

Nitrogen metabolism is a major factor in..…….
a) root                                   
b) stem
c) leaf                                    
d) both b and c

d

Too much supply of Nitrogen to a plant can…..
a) increase yield                  
b) delay flowering and fruit
c) cause yellowing                        
d) stunted the growth

b

Deficiency of Nitrogen in a plant can…….
a) stunted the growth
b) delay flowering and fruit
c) cause yellowing                              
d) all of these

d

Proteins are made up of …….
a) monosaccharaides                        
b) glycerol and fatty acids
c) amino acids                    
d) nucleotides

c