Contents

What are the units of DNA?
a) fatty acids                       

b) amino acids
c) monosaccharaides

d) nucleotides


How many components constitute a nucleotide?
a) two    

b) three                 

c) four

d) twenty


Which of the following is/are present in nucleotide?
a) deoxyribose suga

b) phosphate group
c) a nitrogenous base      

d) all of these



Which type of sugar is present in DNA?
a) 5 carbon ribose      

b) 5 carbon deoxyribose
c) 6 carbon ribose               

d) 6 carbon deoxyribose


How many types of nitrogenous bases are present in the nucleotides of DNA?
a) two    

b) three                 

c) four

d) twent


A nucleotide of DNA depends on……
a) sugar                                 

b) phosphate
c) base                                  

d) all of these