List of top Chemistry Questions on Biomolecules asked in AIIMS

Which of the following is a globular protein?
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion: Glucose does not give 2,4-DNP test. 
Reason: Glucose exists in cyclic hemiacetal form.
In the light of the above statements, choose the correct answer from the options given below

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion : Two sugar units are joined by 1,2-glycosidic bond in sucralose. 

Reason : Sucralose contains \(C_1\) -glucose and \(C_2\) - fructose glycosidic bond.

In the light of the above statements, choose the correct answer from the options given below
 

Select the correct set of answer.
Oxidation of glucose by $Br_2$-water gives saccharic acid. $Br_2$-water oxidises ??HO and ??H group.
All enzymes are made up of proteins and all proteins have three dimensional structures. Secondary structures of protein are sequence of amino acids.
Find the hydrolysis product of maltose.
Fructose is a reducing sugar. It has a ketonic group.
$\beta$-pleated sheet structure of protein shows maximum extension. Intermolecular hydrogen bonding is present in them.
Millon?? test is a test for identification of proteins. Millon?? reagent is a solution of mercurous nitrate and mercuric nitrate in nitric acid containing little nitrous acid.
Select the incorrect statement, among the following.
Rayon is
Methyl- $\alpha-D$-glucoside and methyl $-\beta-D$-glucoside are
In the iodometric titration starch is used as an indicator. Starch is a polysaccharide.
Among the following L-serine is
Thymine is
Lysine is least soluble in water in the $pH$ range
Which one of the following biomolecules is insoluble in water?
Which one of the following statements is true for protein synthesis (translation)?
The nucleic acid base having two possible binding sites is
Maltose is a reducing sugar which gives two moles of D-glucose on hydrolysis Maltose has a$ 1,4-\beta$-glycosidic link-age
Glycosides are hydrolysed in acidic conditions. Glycosides are acetals.
Enzymes with two sites are called
The functional group which is found in amino acid is
Which of the following contains cobalt?