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Biochemical Molecules Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What are the two types of biochemical molecules found in the human body?

a)

Lipids and nucleic acids

b)

Acids and bases

c)

Organic and inorganic molecules

d)

Proteins and carbohydrates

2.

Which of the following is an example of an inorganic molecule?

a)

Protein

b)

Carbon dioxide

c)

Fatty acid

d)

Glucose

3.

What is the chemical formula for water?

a)

H2O

b)

H2O2

c)

CO2

d)

O2

4.

Which property of water allows it to be an effective solvent for ions?

a)

High specific heat capacity

b)

High surface tension

c)

Low viscosity

d)

Polarity

5.

What type of bond is formed between water molecules?

a)

Peptide bond

b)

Hydrogen bond

c)

Ionic bond

d)

Covalent bond

6.

Which of the following ions is critical for maintaining pH balance in living systems?

a)

Sodium ions

b)

Chloride ions

c)

Calcium ions

d)

Hydrogen ions

7.

What is the primary function of carbohydrates in living organisms?

a)

Transport of oxygen

b)

Structural support

c)

Hormone regulation

d)

Energy storage

8.

Which type of fatty acid contains one or more double bonds?

a)

Saturated fatty acids

b)

Unsaturated fatty acids

c)

Trans fatty acids

d)

Polyunsaturated fatty acids

9.

What is the basic building block of proteins?

a)

Nucleotides

b)

Monosaccharides

c)

Fatty acids

d)

Amino acids

10.

Which type of protein is involved in muscle contraction?

a)

Transport proteins

b)

Motor proteins

c)

Structural proteins

d)

Enzymes