Biomolecules PYQs - Last 10 Years

The amino acid that gives a red-blood colour on treating its sodium fusion extract with sodium nitroprusside is

\(\text { Match the vitamins in List I with their sources in List II }\)
$$ \begin{array}{|l|l|l|l|} \hline & \text { List I } & & \text { List II } \\ \hline \text { A. } & \text { vitamin A } & \text { I. } & \text { meat } \\ \hline \t...

The correct statement about peptides and proteins is

The correct statement with regard to the secondary structure of DNA/RNA is

Sugar ' $X$ '
A. is found in honey
B. is a keto sugar
C. exists in $\alpha$ and $\beta$-anomeric forms.
D. Is laevorotatory.
' X ' is :

Match List-I with List-II.

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Given below are two statements :
Statement I : Glycogen is similar to amylose in its structure.
Statement II : Glycogen is found in yeast and fungi also.
In the light of the above statements, choose the correct answer from the options given...

Fehling's solution 'A' is

The reagents with which glucose does not react to give the corresponding tests/products are
A. Tollen's reagent
B. Schiff's reagent
C. HCN
D. \(\mathrm{NH}_2 \mathrm{OH}\)
E. \(\mathrm{NaHSO}_3\)
Choose the correct options from the given be...

Given below are two statements:
Statement I : A unit formed by the attachment of a base to 1' position of sugar is known as nucleoside
Statement II : When nucleoside is linked to phosphorous acid at 5' position of sugar moiety, we get nucle...

The incorrect statement about denaturation of proteins is :

The incorrect statement regarding enzymes is

Which of the following is a basic amino acid?

Sucrose on hydrolysis gives :

The non-essential amino acid among the following is :

The difference between amylose and amylopectin
is

Which of the following compounds can form a
zwitter ion?

Which of the following statements is not correct?