The pair of compounds in which both the compounds give positive test with Tollen's reagent is

What type of glycosidic bond is present in maltose?

Given below are two statements :
Statement $I :$ $D$-glucose pentaacetate does not react with $2,4$-dinitrophenylhydrazine.
Statement $II :$ Starch,on heating with dilute sulfuric acid at $393 \ K$ and $2-3 \ \text{atmosphere}$ pressure,produces glucose.
In the light of the above statements,choose the correct answer from the options given below.

The letter '$D$' in $D$-glucose signifies

The product$(s)$ formed when glucose reacts with a strong oxidising agent like $HNO_3$ is/are

The two functional groups present in a typical carbohydrate are: