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WorksheetsDNA
Total questions: 10
Worksheet time: 6mins
A five-carbon sugar in a ring form?
nitrogenous base
Deoxyribose sugar
Phosphate group
single ringed structure (cytosine and thymine)?
Pyrimidines
Purines
All the above
Cytosine and Thymine are present in?
RNA
PRA
DNA
G in one chain always pairs with C in the other chain with?
Two hydrogen Bonds
Three Hydrogen Bonds
Five Hydrogen Bonds
DNA Replication is termed as?
semiconservative
conservative
is a change in the genetic material of an individual?
Mutation
Genetic
XY
Y
The nitrogenous base is linked to position (1) on the pentose ring by a?
glycosidic bond
Nucleoside
both
A=23
T=?
32
46
77
23
new DNA helix contains ?
one old and one new chain
one old and one old chain
one new and one new chain
The difference between Ribose & Deoxyribose sugar lies in the
absence/presence of the?
CH group
OH group
Both
