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Water, Carbon, Carbohydrates, and Lipids Review

Total questions: 41

Worksheet time: 41mins

Name
Class
Date
1.

What kind of molecule is water?

a)

Ionic

b)

Polar Covalent

c)

Nonpolar Covalent

d)

Metallic

2.

Which part of a water molecule has a Positive Charge?

a)

The Hydrogen

b)

The Oxygen

c)

The Top

d)

The Bottom

3.

Which part of a water molecule has a Negative Charge?

a)

The Hydrogen

b)

The Oxygen

c)

The Left

d)

The Right

4.

Which of the following can water NOT dissolve?

a)

Ionic Compounds

b)

Polar Compounds

c)

Nonpolar Compounds

5.

Which of the following is an example of COHESION?

a)

water sticking to water

b)

water sticking to glass

c)

oil sticking to plastic

d)

hydrogen sticking to oxygen

6.

Which of the following is the CORRECT list of water's properties?

Read Carefully!

a)

adhesion, cohesion, high specific heat, universal solvent

b)

adhesion, cohesion, low specific heat, universal solvent

c)

adhesion, no cohesion, low specific heat, universal solute

d)

no adhesion, cohesion, high specific heat, universal solute

7.

Water is polar. What does that mean?

a)

it is a molecule with opposite charges on opposite ends

b)

it is a molecule with no charge

c)

it is a molecule with identical charges on opposite ends

d)

it is a molecule with too many protons

8.

Water sticks well to many materials. What term relates to this property of water?

a)

cohesion

b)

adhesion

c)

density

d)

surface tension

9.

What is the term for water's ability to defy gravity and climb up a tube?

a)

Capillary Action

b)

Specific Heat

c)

Universal Solvent

d)

Magic

10.

What are the bonds called between a slightly positive hydrogen in a polar molecule and a negatively charged atom?

a)

Hydrogen Bonds

b)

Water Bonds

c)

Covalent Bonds

d)

Bail Bonds

11.

A water strider can skate along the top of a pond because:

a)

covalent bonds result in water cohesion (surface tension)

b)

hydrogen bonds result in water cohesion (surface tension)

c)

water striders have adapted to take advantage of water cohesion

d)

water striders are afraid of water and avoid it

12.
Large bodies of water do not quickly fluctuate in temperature. Why?
a)
Water is a solvent.
b)
Water has a high heat capacity.
c)
Water acts as a buffer.
d)
Water is non-polar.
13.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
14.
The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form
a)
less polar
b)
more polar
c)
less dense
d)
more dense
15.

Carbon has _____ valence electrons and can bond with 4 other atoms.

a)

6

b)

4

c)

2

d)

8

16.

Giant molecule

a)

micromolecule

b)

macromolecule

17.

The four groups of organic compounds are

a)

sugar, salt, water, oxygen

b)

proteins, carbohydrates, lipids, nucleic acids

c)

carbon dioxide, methane, proteins, lipids

d)

oxygen, proteins, nucleic acids, lipids

18.

_______ molecules are the monomers that compose carbohydrates.

a)

sucrose

b)

adipose

c)

glucose

d)

water

19.

_______ is the storage form of excess glucose in plants.

a)

cellulose

b)

glycogen

c)

sugar

d)

starch

20.

_________ is the storage form of excess glucose in animals.

a)

sugar

b)

cellulose

c)

starch

d)

glycogen

21.

A long chain of monomers covalently bonded together is a

a)

salt molecule

b)

inorganic compound

c)

ionic compound

d)

polymer

22.

A _________ contains one molecule of sugar.

a)

disaccharide

b)

polysaccharide

c)

lipid

d)

monosaccharide

23.

A __________ contains 3 or more monosaccharides.

a)

simple sugar

b)

polysaccharide

c)

disaccharide

d)

water molecule

24.

A ________ compound is derived from living organisms containing carbon-carbon bonds.

a)

inorganic

b)

organic

25.

A(n) ___________ compound does not contain carbon-carbon bonds and is NOT derived from living organisms.

a)

organic

b)

inorganic

26.

___________ is the reaction whereby water is ADDED and polymers are broken down into individual monomers.

a)

glycolysis

b)

hydrolysis

c)

condensation

d)

polymerization

27.
What elements make up carbohydrates?
a)
Carbon, hydrogen, nitrogen, oxygen
b)
sulfur, carbon, hydrogen
c)
glucose and fructose
d)
carbon, hydrogen, oxygen
28.
The 3 categories of carbohydrates are:
a)
Monosaccharide, disaccharide, polysaccharide
b)
glucose, fructose, galatose
c)
starch, cellulose, chitin
d)
There are no categories of carbohydrates
29.

All carbohydrate names end with which ending:

a)

-ise

b)

-ase

c)

-ese

d)

-ose

30.

Carbohydrates should be the largest part of a healthy diet.

a)

True

b)

False

31.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
32.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
33.
Which biomolecule is responsible for insulation and LONG term energy storage?
a)
Proteins
b)
Nucleic Acids
c)
Lipids
d)
Carbohydrates
34.
Which biomolecule includes sugars and starches? (Hint: simple or complex)
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic Acids
35.
Which biomolecule group includes fats, oils, and waxes?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
36.
ALL polymers (large molecules) are made up of...
a)
monosaccharides
b)
monomers
c)
proteins
d)
None of these
37.
Monomers combine to form ________ through the process of ________.
a)
polymers; hydrolysis
b)
polymers; dehydration synthesis
c)
monomers; hydrolysis
d)
monomers; dehydration synthesis
38.

Polymer's split apart to form ________, by __________.

a)

monomers, hydrolysis

b)

monomers, dehydration synthesis

c)

amino acids, hydrolysis

d)

amino acids, dehydration synthesis

39.
Which of the following is NOT a biomolecule?
a)
Water
b)
Nucleic Acid
c)
Protein
d)
Lipid
40.
Lipids can be digested into what smaller subunits?
a)
nucleic acids
b)
amino acids
c)
fatty acids
d)
glucose
41.
Which 2 molecules contains the elements C-H-O and function pertains to energy?
a)
Lipids and Protein
b)
Carbohydrates and Nucleic Acids
c)
Protein and Carbohydrates
d)
Carbohydrates and Lipids

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