wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Unit Two Part B Review

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.


What ratio do all carbohydrates possess?

a)

1 carbon to 2 oxygen to 1 hydrogen


b)

1 carbon to 2 hydrogen to 1 oxygen

c)

1 carbon to 2 oxygen to 2 hydrogen


d)

1 hydrogen to 2 oxygen to 1 carbon


2.

Which of the following molecules is food storage in plants?

a)

glycogen


b)

cellulose

c)

chitin


d)

starch


3.

Which of the following molecules is food storage in animals?

a)

glycogen


b)

cellulose

c)

chitin


d)

starch


4.

Which of the following molecules is structural material in plants?

a)

glycogen


b)

cellulose

c)

chitin


d)

starch


5.

Which of the following molecules makes up exoskeletons in some animals?

a)

glycogen


b)

cellulose

c)

chitin


d)

starch


6.

What are the monomers, or building blocks, of carbohydrates?

a)

monosaccharides


b)

fatty acids and glycerol

c)

nucleotides


d)

amino acids


7.

What are the monomers, or building blocks, of proteins?

a)

monosaccharides


b)

fatty acids and glycerol

c)

nucleotides


d)

amino acids


8.

What are the monomers, or building blocks, of lipids?

a)

monosaccharides


b)

fatty acids and glycerol

c)

nucleotides


d)

amino acids


9.

What are the monomers, or building blocks, of nucleic acids?

a)

monosaccharides


b)

fatty acids and glycerol

c)

nucleotides


d)

amino acids


10.

What molecule is shown?

a)

glucose

b)

amino acid

c)

triglyceride

d)

phospholipid

11.

What molecule is shown?

a)

glucose

b)

amino acid

c)

triglyceride

d)

phospholipid

12.

What molecule is shown?

a)

glucose

b)

amino acid

c)

triglyceride

d)

phospholipid

13.

What molecule is shown?

a)

glucose

b)

amino acid

c)

triglyceride

d)

phospholipid

14.

What molecule is shown?

a)

glucose

b)

amino acid

c)

steroid

d)

phospholipid

15.

What molecule has the purpose of hormone and vitamin D production?

a)

glucose

b)

cholesterol

c)

steroid

d)

phospholipid

16.

How do lipids enter the diet?

a)

fruits, vegetables and grains

b)

egg yolks, oils, cheese, and marbled meats

c)

beans, poultry and lean meats

d)

mounds and mounds of dirt

17.

How do carbohydrates enter the diet?

a)

fruits, vegetables and grains

b)

egg yolks, oils, cheese, and marbled meats

c)

beans, poultry and lean meats

d)

mounds and mounds of dirt

18.

How do proteins enter the diet?

a)

fruits, vegetables and grains

b)

egg yolks, oils, cheese, and marbled meats

c)

beans, poultry and lean meats

d)

mounds and mounds of dirt

19.

Which molecule is not water soluble but is fat soluble?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

20.

Long-term energy storage, insulation, and hormone production are purposes of which macromolecule?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

21.

Production of animal body structures and functional materials such as enzymes are purposes of which macromolecule?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

22.

Storage and transfer of genetic information are purposes of which macromolecule?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

23.

Energy and being the structural materials in plants are purposes of which macromolecule?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

24.

How many different human amino acids are there?

a)

8

b)

12

c)

20

d)

24

25.

Amino acid chains that are about 50 amino acids long are called...

a)

polypeptides

b)

globular proteins

c)

structural proteins

d)

quaternary structures

26.

These make up the physical, fibrous materials of the body such as muscle, hair and skin.

a)

polypeptides

b)

functional proteins

c)

structural proteins

d)

quaternary structures

27.

These make up the globular materials that do tasks of the body such as enzymes, hemoglobin and antibodies.

a)

polypeptides

b)

functional proteins

c)

structural proteins

d)

quaternary structures

28.

Which of the following is NOT a component of a nucleotide?

a)

pentose sugar

b)

glucose

c)

phosphate group

d)

nitrogenous base

29.

Which nitrogenous base is not found in DNA?

a)

Adenine

b)

Thymine

c)

Uracil

d)

Guanine

30.

Which nitrogenous base is not found in RNA?

a)

Adenine

b)

Thymine

c)

Uracil

d)

Guanine

31.

Which statement is true about nitrogen base pairs in DNA?

a)

G bonds with C and A bonds with T

b)

C bonds with G and A bonds with U

c)

A bonds with C and T bonds with G

d)

A bonds with C and U bonds with G

32.

Which statement is true about nitrogen base pairs in RNA?

a)

G bonds with C and A bonds with T

b)

C bonds with G and A bonds with U

c)

A bonds with C and T bonds with G

d)

A bonds with C and U bonds with G

33.

Which is NOT a property of DNA?

a)

Double helix shape or having two strand of nucleotides

b)

Temporary copy of information needed to make a protein that is sent to ribosomes

c)

Possesses deoxyribose sugar

d)

Possesses the nitrogenous bases A, T, C and G

34.

Which is NOT a property of RNA?

a)

Has one strand of nucleotides

b)

Temporary copy of genetic information

c)

Possesses ribose sugar

d)

Possesses the nitrogenous bases A, T, C and G

35.

Why is the DNA molecule so important?

a)

It is the main source energy that cells need

b)

It sends instructions to the ribosomes about how to build a protein

c)

It holds all of the genetic information and instructions for building all proteins in the body

d)

It stores energy for long-term usage