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Biomolecules and Their Functions Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What are amino acids?

a)

Large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.

b)

Small molecules that are the building blocks of protein.

c)

Energy-rich organic compounds, such as fats, oils, and waxes.

d)

A compound made up of carbon, hydrogen, and oxygen atoms.

2.

Which of the following is a major source of energy for the human body?

a)

Lipid

b)

Protein

c)

Carbohydrate

d)

Nucleic acid

3.

What is a compound?

a)

A substance made up of atoms of two or more different elements joined by chemical bonds.

b)

A macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus.

c)

A type of protein that speeds up a chemical reaction in a living thing.

d)

A substance that cannot be broken down into simpler substances.

4.

What does DNA stand for?

a)

Deoxyribonucleic acid

b)

Ribonucleic acid

c)

Protein

d)

Lipid

5.

Which of the following cannot be broken down into simpler substances?

a)

Compound

b)

Element

c)

Enzyme

d)

Lipid

6.

What is the role of an enzyme?

a)

It is a major source of energy for the human body.

b)

It speeds up a chemical reaction in a living thing.

c)

It carries genetic information.

d)

It is a building block of protein.

7.

Which of the following are energy-rich organic compounds made of carbon, hydrogen, and oxygen?

a)

Proteins

b)

Nucleic acids

c)

Lipids

d)

Enzymes

8.

What is a nucleic acid?

a)

A compound made up of carbon, hydrogen, and oxygen atoms.

b)

A macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus.

c)

A type of protein that speeds up a chemical reaction in a living thing.

d)

A small molecule that is the building block of protein.

9.

Which of the following is an example of a protein?

a)

Water

b)

Salt

c)

Meat

d)

Sugar

10.

What role does RNA play in the cell?

a)

It is the genetic material that carries information about an organism.

b)

It plays an important role in the production of proteins and can be found in the cytoplasm.

c)

It is a major source of energy for the human body.

d)

It is a building block of protein.