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Worksheets

Macromolecule Practice

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.

What is the common ratio of elements in carbohydrates?

a)

1:2:1

b)

2:1:2

c)

1:1:2

d)

2:2:1

2.

What type of carbohydrate is glucose?

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

d)

Oligosaccharide

3.

What elements are lipids primarily made of?

a)

Nitrogen, Oxygen, Phosphorus

b)

Carbon, Hydrogen, Oxygen

c)

Sulfur, Calcium, Potassium

d)

Iron, Magnesium, Zinc

4.

Which of the following is a source of unsaturated fats?

a)

Butter

b)

Olive oil

c)

Lard

d)

Cheese

5.

What type of fats are found in fish and plant sources?

a)

Saturated fats

b)

Trans fats

c)

Unsaturated fats

d)

Hydrogenated fats

6.

What is a key structural difference between saturated and unsaturated fatty acids?

a)

Saturated fatty acids have a double bond.

b)

Unsaturated fatty acids have a double bond.

c)

Both have double bonds.

d)

Neither have double bonds.

7.

What role do enzymes play in the body?

a)

Transport nutrients

b)

Speed up chemical reactions

c)

Fight infections

d)

Store energy

8.

What are the monomers of proteins?

a)

Nucleotides

b)

Amino Acids

c)

Monosaccharides

d)

Fatty Acids

9.

Why is the shape of a protein important?

a)

It determines the protein's color

b)

It is important for the protein's function

c)

It affects the protein's weight

d)

It changes the protein's temperature

10.

How many amino acids are there in total?

a)

9

b)

20

c)

4

d)

1

11.

Which part of the amino acid structure is different for each amino acid?

a)

Amino group

b)

Central carbon

c)

R group

d)

Carboxyl

12.

What type of bond holds amino acids together in a protein?

a)

Hydrogen bond

b)

Ionic bond

c)

Peptide bond

d)

Covalent bond

13.

What is the primary function of nucleic acids?

a)

Store energy

b)

Transmit genetic information

c)

Provide structural support

d)

Catalyze chemical reactions

14.

Which of the following is a type of nucleic acid?

a)

Protein

b)

Lipid

c)

DNA

d)

Carbohydrate

15.

Which elements are primarily found in nucleic acids?

a)

C, H, O, N, and P

b)

C, H, O, and S

c)

C, H, O, and N

d)

C, H, O, and Cl

16.

What is the structure of RNA?

a)

Double helix

b)

Single strand

c)

Triple strand

d)

Quadruple strand

17.
What is the primary function of NUCLEIC ACIDS?
a)
Source of energy
b)
Long term storage of energy
c)
Transmitting genetic information
d)
Cell processes and cell signaling
18.
What is the primary function of LIPIDS?
a)
Source of energy
b)
Long term storage of energy
c)
Transmitting genetic information
d)
Cell processes and cell signaling
19.
What is the primary function of CARBOHYDRATES?
a)
Source of energy
b)
Long term storage of energy
c)
Transmitting genetic information
d)
Cell processes and cell signaling
20.

Nucleic acids make up which of the two molecules listed below?

a)

RNA

b)

FDA

c)

DNA

d)

RDA

21.

Which of the following is an example of carbohydrates?

a)

Steak

b)

Olive oil

c)

Bread

d)

DNA

22.

A __________________ is a large molecule made of many small ones.

a)

Monomer

b)

Dissacharide

c)

Polymer

d)

Sugar

23.

Which of the following elements are found in all macromolecules?

a)
b)
c)
d)
24.

How how carbohydrates and lipids similar?

a)

both contain C, H, O, N, P and store energy

b)

both contain C, H, O, N and give energy

c)

both contain C, H, O, N, S and store energy

d)

both contain C, H, O and give energy

25.

What is the function of proteins?

a)

Main source of energy.

b)

Energy storage, protection, waterproofing and insulation

c)

Store and transmit genetic information.

d)

Control rates of reactions and form muscles and bones.