Test: Biomolecules Level - 2 - Chemistry MCQ

Sucrose on hydrolysis gives:

Which gives red colour with Fehling’s solut ion:

Glucose when heated with CH₃OH in presence of dry HCl gas, α-and β-methyl glucosides are formed. This is because it contains:

Which of the following carbohydrates is used in silvering of mirrors:

Starch undergoes hydrolysis in presence of mineral acids to:

When glucose is reacted with bromine water, the major product is:

A certain compound gives negative test with ninhydrin and positive test with Benedict’s solution, the compound is:

A disaccharide which give only glucose on hydrolysis is:

Biuret test is not given by:

The pH value of a solution in which a polar amino acid does not migrate under the influence of electric field is called:

Which of the following amino acids is not optically act ive:

Hydrolysis of sucrose is called:

Which of the following bases in not present in DNA:

Which one of the following is not present in RNA:

At the isoelectric po int, amino acids are present as:

Glucose and fructose can also be distinguished by:

Which of the following does not show mutarotation:

Glucose and mannose are:

There are 20 naturally occurring amino acids. The maximum number of tripeptides that can be obtained is:

Lactose is made of:

The beta and alpha glucose have different specific rotations. When either is dissolved in water, their rotation changes until the same fixed value results. This is called:

Fructose reduces Tollen’s reagent due to:

Which of the following is a heterocyclic amino acid:

The sugar moiety present in RNA molecule is:

In transfer RNA anticodon for the messenger RNA codon G-C-A is:

Which of the following structures represents the peptide chain:

RNA differ from DNA in respect of a base: