Given below are two statements:
Statement I : D-glucose pentaacetate reacts with 2,4 -dinitrophenylhydrazine
Statement II : Starch, on heating with concentrated sulfuric acid at $100^{\circ} \mathrm{C}$ and $2-3 \mathrm{atmosphere}$ pressure produces glucose.
In the light of the above statements, choose the correct answer from the options given below
Match List - I with List - II.
List - I | List - II | ||
---|---|---|---|
(A) | Adenine | (I) | ![]() |
(B) | Cytosine | (II) | ![]() |
(C) | Thymine | (III) | ![]() |
(D) | Uracil | (IV) | ![]() |
Choose the correct answer from the options given below :
The carbohydrate "Ribose" present in DNA, is
A. A pentose sugar
B. present in pyranose from
C. in "D" configuration
D. a reducing sugar, when free
E. in $\propto$-anomeric form
Choose the correct answer from the options given below:
The $\alpha$-Helix and $\beta$ - Pleated sheet structures of protein are associated with its :