Which is the first step in analysis of biomolecules?

1

(a)

Precipitation

(b)

Extraction

(c)

Staining

(d)

Reagent Reaction

Which of the following elements is highest in percentage composition in the human body?

1

(a)

Oxygen

(b)

Carbon

(c)

Hydrogen

(d)

Nitrogen

Amino acids are also known as: _____.

1

(a)

\(\alpha\) - amino acid

(b)

\(\beta\) - amino acid

(c)

\(\gamma\) - amino acid

(d)

\(\delta\) - amino acid

Aromatic amino acids contain which reactive group?

1

(a)

Ethyl

(b)

Ketone

(c)

Benzene

(d)

Hydroxil

Which of the following is a fat?

1

(a)

Mustard oil

(b)

Ghee

(c)

Sunflower oil

(d)

Castor oil

Name the protein which forms the intercellular ground substance.

1

(a)

Collagen forms the intercellular ground substance.

What is the name given to a polysaccharide composed of two different monomers? Also give example for this.

1

(a)

The name given is heteropolysaccharide to the type of polysaccharide, which is composed of different types of monomers, e.g., pectin.

Mention the chemical nature of enzymes

1

(a)

Enzymes are proteinaceous in nature

What is the commercial use of cellulose?

1

(a)

Paper making.

Which biomolecule is used in making perfumes?

1

(a)

Aromatic oils.