Biomolecules Test

On oxidation with a mild oxidising agent like Br2/H20, the glucose is oxidized to

(a) saccharic acid

(b) glucaric acid

(c) gluconic acid

(d) valeric acid

• a

• b

• c

• d

Which amino acids is a chiral?

(a) Alanine

(b) Valine

(c) Proline

(d) none of these.

• a

• b

• c

• d

Which one of them is not a protein?

(a) Wool

(b) Nail

(c) Hair

(d) DNA

• a

• b

• c

• d

Which of the following in the sweetest sugar:

(a) Sucrose

(b) Glucose

(c) Fructose

(d) Maltose

• a

• b

• c

• d

Complete hydrolysis of cellulose gives:

(a) L-glucose

(b) D-fructose

(c) D-ribose

(d) D-glucose.

• a

• b

• c

• d

The reaction of glucose with red P + HI is called as

• Reduction

• Oxidation

• Chain reaction

• None of these

The anomer of D glucose is

• D fructo pyrannose

• D gluco pyrannose

• L Gluco pyrannose

• L Fructo Pyrannose

Nucleic accid is a polymer of

• Nucleoside

• Nucleotide

• alpha amino acid

• glucose

The reason for the double helical structure of DNA is

• Vanderwaals forces

• Double Helical structure

• Hydrogen Bonding

• Electrostatic attractions

The number of chiral carbons in beta D(+) glucose is

• 3

• 4

• 5

• 6