<prompt> Two strands of the DNA are joined by:Glycosidic bondHydrogen bondCovalent bondIonic bond  <response>: Ans. B. Hydrogen bondBonds in the DNABetween nucleotides- 3 to 5 Phosphodiester bondBetween the DNA Hydrogen bondBetween base and Sugar beta N Glycosidic bond, Nucleoside and Phosphate Ester bondBase stacking by van der Waals forces 