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Worksheets

Semester 1 Study Set

Total questions: 201

Worksheet time: 4hrs 57mins

Name
Class
Date
1.

In his version of the periodic table, Mendeleev based his arrangement of the elements on an element's

a)

atomic number

b)

chemical symbol

c)

name

d)

atomic mass

2.

The order of elements in the modern periodic table is based on an element's

a)

atomic number

b)

chemical symbol

c)

name

d)

atomic mass

3.

Ionization refers to the process of

a)

changing from one period to another

b)

losing or gaining protons

c)

turning lithium into fluorine

d)

losing or gaining electrons

4.

Elements that are usually shiny are _______________________

a)

metals

b)

nonmetals

c)

semiconductors

d)

valences

5.

The _______________________ are located in the center of the periodic table.

a)

alkali metals

b)

noble gases

c)

transition metals

d)

halogens

6.

What does the atomic number tell us?

a)

Weight of element

b)

How many neutrons are in the nucleus

c)

How many protons are in the nucleus

7.

How many protons does the element Carbon have?

a)

14

b)

6

c)

12

8.

How many neutrons are in the element Fluorine?

a)

9

b)

10

c)

11

9.

Which element has an atomic mass of 137.33

a)

Barium

b)

Mercury

c)

Gold

10.

What does the atomic number tell us?

a)

Weight of element

b)

How many neutrons are in the nucleus

c)

How many protons are in the nucleus

11.

Waters a polar molecule

a)

True

b)

False

12.

cohesion-

a)

forms weak bonds and stick together

b)

forms strong bond

c)

specific heat

d)

helps insects skate on top of water

13.

adhesion-

a)

tendency of water to stick to other substances

b)

hydrogen bonds

c)

tendency of water to stick to itself

d)

capillary action

14.

upward movement that shows cohesion and adhesion

a)

cohesion

b)

hydrogen bond

c)

adhesion

d)

capillary action

15.

the amount of heat needed to increase the temperatue

a)

capillary action

b)

polarity

c)

specific heat

d)

water structure

16.

Surface Tension: a force that acts on particles a the (a)   of a liquid

17.

what is a curved surface in a gradulated cylinder?

a)

meniscus

b)

capillary action

c)

surface heat

d)

solvent

18.

what is true about surface tension?

a)

helps insects "skate" across the surface of water

b)

caused by hydrogen bonds

c)

refers to the tightness across the surface of water

d)

insects cant go on water

19.

the substance that does the dissolving

a)

solvent

b)

meniscus

c)

solute

d)

hydrophobic

20.

which of the following dissolve in water

a)

oil

b)

wax

c)

salt

d)

sand

21.

Hydrophobic-

a)

fear of heights

b)

fear of water

c)

fear of land

d)

fear of flying

22.

a mixture that is formed when one substance dissolves another is called?

a)

solute

b)

oil

c)

wax

d)

solvent

23.
When water molecules stick easily to other water molecules, this is called what?
a)
cohesion
b)
adhesion
c)
solution
d)
polar molecule
24.

Fish breathe oxygen, which is dissolved in water. Is the oxygen the fish breathe considered to be the solute or solvent?

a)

Solute

b)

Solvent

25.

The bond that holds the Oxygen and Hydrogen atoms together in a water molecule is a ________ bond.

a)

ionic

b)

Hydrogen

c)

Covalent

d)

Weak

26.
Which types of compounds dissolve easily in water?
a)
Polar and Nonpolar
b)
Polar and Ionic
c)
Nonpolar and Ionic
d)
Covalent and Nonpolar
27.
Water is polar because...
a)
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
b)
The molecule has two poles, at which the it is colder than other regions of the molecule.
c)
The unequal sharing of electrons gives the water molecule a slight negative charge near its hydrogen atoms and a slight positive charge near its oxygen atom.
d)
The water molecule is neutral.
28.
Why does ice float?
a)
As water freezes, it expands and its density decreases.
b)
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
c)
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
d)
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
29.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
30.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
31.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
32.

Hypothesis

a)

A substance used in an experiment

b)

A testable prediction or educated guess

c)

The result of an experiment

d)

A tool used to measure quantities

33.

Independent Variable

a)

The factor that the scientist changes or controls

b)

The result that is measured

c)

The group in an experiment where the independent variable is not applied

d)

The process of repeating an experiment

34.

Dependent Variable

a)

The variable that remains constant throughout the experiment

b)

The factor that the scientist changes or controls

c)

The outcome or result that is measured in response to changes in the independent variable

d)

A tool used in scientific research

35.

Control Group

a)

The group in an experiment where the independent variable is applied

b)

The group in an experiment where the independent variable is not applied

c)

The process of repeating an experiment

d)

The variable that is measured in an experiment

36.

Experimental Group

a)

The variable that remains constant throughout the experiment

b)

The group in an experiment where the independent variable is not applied

c)

The process of repeating an experiment

d)

The group in an experiment where the independent variable is applied

37.

Axis

a)

A line or reference point used for measuring or plotting data on a graph

b)

The outcome or result of an experiment

c)

The process of repeating an experiment

d)

The group in which the experiment is not conducted

38.

Plot

a)

The design or layout of an experiment

b)

The set of all possible outcomes in a statistical experiment

c)

The representation of data points on a graph

d)

The independent variable in an experiment

39.

Scale

a)

A tool used to weigh objects

b)

The range of values used on an axis in a graph

c)

The process of repeating an experiment

d)

The outcome or result of an experiment

40.

Origin

a)

The starting point or (0,0) on a graph

b)

The process of beginning an experiment

c)

The first organism in an evolutionary sequence

d)

A prediction made before an experiment

41.

Trend

a)

A fashionable movement or change

b)

A pattern or direction observed in plotted data on a graph

c)

The variable that remains constant throughout an experiment

d)

A tool used in scientific research

42.

An instrument used to magnify something very small that has been placed on a glass slide.

a)

Beaker

b)

Erlenmeyer Flask

c)

Rubber Stopper

d)

Microscope

43.

Used to hold, measure, and heat liquids (it has a wide mouth and is made of glass).

a)

Beaker

b)

Graduated Cylinder

c)

Test Tube

d)

Electronic Scale

44.

The process of gathering information

a)

analyzing

b)

hypothesizing

c)

inferring

d)

observation/data

45.
A good experiment usually tests a(n) __________. 
a)
variable
b)
scientist
c)
opinion
d)
hypothesis
46.

A series of steps followed to test a hypothesis.

a)

Hazard

b)

Scientific Method

c)

Precautions

47.
An experiment generally tests how one _________ is affected by another.
a)
Variable
b)
test
c)
scientist
d)
option
48.

Mr. Sanders made the students hypothesize the final results of the experiments.


What does it mean to hypothesize?

a)

to write about what happened during the experiment

b)

to organize the ingredients needed for the experiment

c)

to list the steps to complete the experiment

d)

to make a guess about what you think will happen

49.
You can have more than one independent variable in a controlled experiment.
a)
True
b)
False
50.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
51.

A possible explanation for why something happens is called ___.

a)

a variable

b)

an experiment

c)

a hypothesis

d)

an assumption

52.
The step by step directions of the experiment are found in the:
a)
hypothesis
b)
conclusion
c)
procedure
d)
data table
53.

Which of the following is NOT a testable question?

a)

How do rockets work?

b)

Does fertilizer help plants grow bigger?

c)

Does heart rate increase with exercise?

d)

Does the freezing point of water change at different elevations?

54.

After the data is analyzed the hypothesis is stated as correct or incorrect in the __________

a)

conclusion

b)

experiment

c)

hypothesis

d)

table of contents

55.

What step does every scientific experiment begin with?

a)

hypothesis

b)

question/problem

c)

procedures

d)

conclusion

56.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
57.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
58.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
59.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

60.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
61.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
62.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
63.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
64.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

65.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
66.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
67.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
68.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
69.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
70.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
71.

What happens when enzymes are heated to a high temperature OR put into a pH outside its normal range?

a)

The enzymes die.

b)

The shape of the enzyme are changed and it denatures

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

72.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
73.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
74.
Which enzyme is most efficient in a basic solution?
a)
A
b)
B
75.
The cell membrane is selectively permeable, which means...
a)
All materials can enter and leave the cell
b)
Certain things can enter while others cannot
c)
The cell manually sorts through all materials
d)
Only certain cells can interact with the cell.
76.

Which type of biological macromolecule is the main component of the plasma membrane?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

77.
What forms the channels and pumps in the phospholipid bilayer?
a)
carbohydrates
b)
proteins
c)
hydrophilic heads 
d)
lipids
78.

What type of transport uses a transport protein?

a)

Osmosis

b)

Facilitated diffusion

79.

Passive Transport

a)

Does require cell energy

b)

Does NOT require cell energy

80.

The movement of water through a semi-permeable membrane is called ___________.

a)

active transport

b)

respiration

c)

osmosis

d)

diffusion

81.

Which type of movement requires cellular energy?

a)

osmosis

b)

active transport

c)

diffusion

d)

facilitated diffusion

82.

What are the three types of passive transport?

a)

osmosis, diffusion, active transport

b)

active transport, facilitated diffusion, osmosis

c)

diffusion, osmosis, facilitated diffusion

d)

facilitated diffusion, active transport, diffusion

83.
What type of transport is this?
a)
Endocytosis
b)
Exocytosis
c)
Diffusion
d)
Sodium-Potassium Pump
84.
What type of transport is this?
a)
Endocytosis
b)
Diffusion
c)
Exocytosis
d)
Osmosis
85.

What is active transport

a)

A process of a movement of molecules from a high to low concentration that doesn’t use energy

b)

A process of movement of molecules from a low to high concentration that uses energy

86.
What is the difference between active and passive transport?
a)
Active does not need energy and passive uses ATP (energy)
b)
Active uses ATP (energy) and passive does not need energy
c)
Active stores transport proteins and passive releases 
d)
Active uses hormones and passive does not 
87.

When placed in a solution of 30% water 70% salt, what would happen to a cell that is 70% water?

a)

it will take in salt and swell

b)

it will take in water and swell

c)

it will lose water and shrink

d)

it will remain the same size

88.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
89.
An ISOTONIC solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.
a)
lower
b)
equal
c)
higher
90.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
91.
Which cell is placed into a hypotonic environment? 
a)
A
b)
B
c)
C
d)
D
92.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
93.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
94.
Where is there a high concentration of water?
a)
in the flower
b)
cannot be determined by picture.
c)
in the vase
d)
in the leaves
95.
What is the definition of  Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration to a area of low concentration 
96.

What will happen to the organism in this situation? Salty water is poured onto eggplant.

a)
Water will move out of the eggplant cells and the cells will shrink.
b)
Water will move out of the eggplant cells and the cells will swell.
c)
Water will move into the eggplant cells and the cells will swell.
97.

In the given scenario what will happen?  An egg is placed in distilled water (no solutes) for 48 hours.

a)
The egg will gain water and swell.
b)
Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
c)
The egg will lose water and shrink.
98.

An animal cell placed in a hypertonic (salty) solution will ___.

a)
Shrink
b)
Swell
c)
Stay the same
99.

In the diagram, there is a larger concentration of water inside the plasma membrane. Which way will the water molecules move during osmosis?

a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
100.

Water will move INTO a cell in a(n) ___ solution

a)
Hypertonic
b)
Hypotonic
c)
Isotonic
101.
Ideally, your cells should be in a(n) _______ solution
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Cola
102.

If you enjoy rubbery carrots (not stiff or rigid), then place them in .....

a)
Cold Water
b)
Hot Water
c)
Distilled Water
d)
Salt Water
103.
What information could be added to make this diagram a more complete model of osmosis in red blood cells?
a)
Information about the temperatures of the cell and of the solution.
b)
The relative concentrations of solute inside and outside the cell.
c)
Show that energy is required for the osmosis to occur.
d)
Show the cell holding its shape as osmosis occurs.
104.
Where will the water go?
a)
Into the cell
b)
Out of the cell
c)
Equally in & out - it's isotonic
d)
There is no water
105.
Mr. Slug was salted. Where was there more solute immediately after salting?
a)
Outside of the slug
b)
Inside of the slug
c)
There was no solute anywhere
106.
A blood cell is placed into the jar, as seen. Where will the water go?
a)
Into the cell
b)
Out of the cell
c)
Equally in & out - it's isotonic
d)
The water is a lie
107.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
108.
 If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is _______ compared to the cell.
a)
hypertonic
b)
hypotonic
c)
isotonic
109.
 An animal cell placed in a hypertonic (salty) solution will
a)
Stay the same
b)
Shrink- get smaller
c)
Swell- get bigger
110.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
111.
HYPO means...
a)
Low
b)
High
c)
Equal
d)
Fat
112.
ISO means...
a)
Low
b)
A lot
c)
Equal
d)
Mammal
113.
What happens if someone gives you a 90% salt saline drip?
a)
Your cells will shrivel and you'll die
b)
Your cells will swell and you'll die
c)
Nah you'll be fine.
114.
Why can't you drink salt water?
a)
It's hypertonic to your cells
b)
It's hypotonic to your cells
c)
It's isotonic to your cells
d)
It's paratonic to your cells
115.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
116.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
117.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
118.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
119.

The head of phospholipids are

a)

hypotonic

b)

hydrophbic

c)

hypertonic

d)

hydrophilic

120.

What is the plasma membrane made of?

a)

sugars

b)

phospholipids

c)

nucleic acids

d)

proteins

121.

How do the particles move in diffusion?

a)

From a region of low concentration to a region of high concentration

b)

From a region of high concentration to a region of low concentration

c)

From a region of low concentration to a region of low concentration

d)

From a region of high concentration to a region of high concentration

122.

The movement of particles is __________, resulting in the particles being spread throughout the container

a)

Structured

b)

In a straight line

c)

Random

d)

In curved, way motions

123.

What happens to the coffee particles when coffee is added to hot water?

a)

They sink to the bottom of the cup

b)

They spread out

c)

They clump together

124.

Which diagram best shows the end result of diffusion?

a)

F

b)

G

c)

H

d)

J

125.

What does a 'region with high concentration' mean?

a)

An area with a SMALL number of particles

b)

An area with a LARGE number of particles

c)

An area with an UNEVEN number of particles

d)

An area with no particles

126.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup 
d)
no concenteraion gradient
127.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
128.

What is DIFFUSION?

a)
b)
c)
d)
129.

Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration

a)

High, low

b)

Low, high

c)

Low, low

d)

High, high

130.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
131.
Where is there a low concentration of perfume?
a)
in the bottle
b)
on the hand
c)
in the room
d)

there is no low concentration of perfume

132.

What is the definition of Semi Permeability?

a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration to a area of low concentration 
133.

What does a 'region with high concentration' mean?

a)

SMALL number of particles

b)

LARGE number of particles

c)

UNEVEN number of particles

d)

no particles

134.
Where is there a high concentration of bbq smoke?
a)
In the bbq pit
b)
In the house
c)
Two streets over
d)
In the atmosphere
135.

All of the following need to get into a cell EXCEPT

a)

waste

b)

food

c)

water

d)

oxygen

136.

How many millimeters are in a meter?

a)

1

b)

10

c)

100

d)

1000

137.

How many decimeters are in a meter?

a)

1

b)

10

c)

100

d)

1000

138.

How many centimeters are in a meter?

a)

1

b)

10

c)

100

d)

1000

139.

Which of the following is the correct order of prefixes on a metric conversion line?

a)

KHDODCM

b)

KDMOCL

c)

KDCMMOL

d)

ABCDEFG

140.

What is mass measured in?

a)

inches

b)

liters

c)

grams

d)

centimeters

141.

What is distance measured in?

a)

liters

b)

meters

c)

grams

d)

pounds

142.

What is volume measured in?

a)

meters

b)

liters

c)

grams

d)

inches

143.

Which macromolecule is the short term energy source for living organisms?

a)

lipids

b)

proteins

c)

nucleic acids

d)

carbohydrates

144.

Which macromolecule is composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio?

a)

lipids

b)

proteins

c)

carbohydrates

d)

nucleic acids

145.

Which macromolecule is responsible for storing and transmitting genetic information?

a)

Lipid

b)

Nucleic Acids

c)

Carbohydrate

d)

Protein

146.

Which macromolecule is made up of amino acids?

a)

nucleic acid

b)

lipid

c)

carbohydrate

d)

protein

147.

Which macromolecule makes up the structure of the cell membrane?

a)

Nucleic acids

b)

Proteins

c)

Lipids

d)

Carbohydrates

148.

Which macromolecule is involved in catalyzing chemical reactions in the body?

a)

enzyme

b)

carbohydrate

c)

lipid

d)

nucleic acids

149.

Which macromolecule is commonly known as fats and oils?

a)

lipids

b)

carbohydrates

c)

nucleic acids

d)

proteins

150.

Which macromolecule is composed of nucleotides?

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acids

151.

Which of the following monomers makes up Nucleic Acids?

a)

b)

c)

d)

152.

Which of the following monomers makes up Proteins?

a)

b)

c)

d)

153.

Which of the following monomers makes up Carbohydrates?

a)

b)

c)

d)

154.

Which of the following monomers makes up Lipids?

a)

b)

c)

d)

155.

Only 2 macromolecules contain the element Nitrogen. Select the 2 macromolecules.

a)

Carbohydrates and Nucleic Acids

b)

Proteins and Lipids

c)

Lipids and Carbohydrates

d)

Proteins and Nucleic Acids

156.

Which macromolecules am I?

a)

Carbohydrate

b)

Enzyme

c)

Protein

d)

Lipid

157.

Enzyme Lactase binds to lactose in a chemical reaction that breaks it down into the sugar glucose. The graph shows the amount of glucose formed during this chemical reaction at different temperatures. For this chemical reaction, what temperature would produce the most glucose?

a)

Around 60 degrees Celsius because that is when the glucose stops being produced.

b)

Around 5 degrees Celsius because that is when the glucose starts to be produced.

c)

Around 37 degrees Celsius because that is the most glucose produced.

d)

Around 45 degrees Celsius because that is the most glucose produced.

158.

The building blocks for organic compounds are called...

a)

Polygons

b)

Polymers

c)

Monograms

d)

Monomers

159.

___ are used by cells to get quick energy.

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

160.

Nuts, butter, and waxes are examples of ____

a)

Nucleic Acids

b)

Lipids

c)

Proteins

d)

Carbohydrates

161.

What is the function of Carbohydrates?

a)

Long-term energy

b)

Muscle development

c)

Short-term energy

d)

enzyme activity

162.

Which macromolecule has amino acids as monomers?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

163.

Which one of the macromolecules are instrumental in the cell membrane?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

164.

This macromolecules is responsible for providing our genetic material. Choose the macromolecule that best fits.

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

165.

Which one of our macromolecules would you consume in order to receive long-term energy?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

166.

My monomers are glycerol and fatty acids. Which macromolecule am I?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

167.

My monomers are monosaccharides. Which macromolecule am I?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

168.

My monomers consist of a phosphate group, a sugar, and a nitrogenous base. Which macromolecule am I?

a)

Carbohydrate

b)

Lipids

c)

Proteins

d)

Nucleic Acids

169.

Which macromolecule is structured this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

170.

Which macromolecule is structured in this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

171.

Which of the macromolecules are structured in this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

172.

A ______________ is a large molecule.

a)

Micromolecule

b)

Polymer

c)

Amino Acid

d)

Macromolecule

173.

Which of the following is not one of the four major classes of macromolecules?

a)

Lipids

b)

Carbon

c)

Protein

d)

Carbohydrates

e)

Nucleic Acid

174.

Which of the following are examples of carbohydrates? (Select all that apply).

a)

Bread

b)

Pasta

c)

Olive Oil

d)

Cheese

175.

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

a)

FDA

b)

RNA

c)

DNA

d)

FDR

176.

An avocado is an example of a which macromolecule?

a)

Carbohydrate

b)

Lipid/Fat

c)

Protein

d)

Nucleic Acid

177.

Which type of fat is considered healthier than others?

a)

Saturated Fat

b)

Unsaturated Fat

c)

Monounsaturated Fats

d)

Trans Fat

178.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
179.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
180.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
181.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
182.
Building blocks of the body, hair , muscles etc.
a)
protein
b)
nucleic acid
c)
lipids
d)
carbohydrates
183.

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

a)

lemon juice, milk, baking soda, bleach

b)

bleach, baking soda, milk, lemon juice

c)

milk, lemon juice, baking soda, bleach

d)

baking soda, bleach, lemon juice, milk

184.

Which of these is a property of acidic solutions?

a)

they taste sour

b)

they feel slippery

c)

they are in many cleaning products

d)

they taste bitter

185.

Bases turn red litmus paper (a)   .

186.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
187.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
188.

A base is a substance

a)

That releases OH- ions when dissolved in water

b)

That releases H+ ions when dissolved in water

c)

Does not release any ions when dissolved in water

d)

None of the above

189.

An acid

a)

is a substance that releases H+ ions when dissolved in water

b)

is a substance that does not release any ions when dissolved in water

c)

is a substance that releases OH- when dissolved in water

d)

releases an equal amount of OH- and H+ ions when dissolved in water

190.
A solution has a pH of 7.0.  What would happen to the pH if H ions were added?
a)
pH would go up
b)
pH would go down
c)
pH would stay the same
d)
None of these
191.
Unsweetened cocoa has a bitter taste. It is most likely which of the following?
a)
acid
b)
base
c)
neutral
d)
salt
192.

From which point to which point in the pH scale is Base

a)

7.1- 14

b)

0- 6.9

c)

6.2- 9.1

d)

12- 14

193.

Reaction between acid and alkali producing salt and water:

a)

Combustion

b)

Neutralization

c)

Precipitation

d)

Decomposition

194.
Which of these solutions is an acid?
a)
Dish Soap: pH of 12
b)
Tomato Soup: pH of 4
c)
Baking Soda: pH of 9
d)
Drain Cleaner: pH of 14
195.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
196.

pH paper has a range of colors to represent the different pH of solutions. Examine the results (color change) of the pH paper shown in the picture. What type of substance was tested?

a)

an acid

b)

a base

c)

a neutral substance

d)

none of the above

197.
Bases will turn litmus paper __________, while acids will turn litmus paper __________.
a)
blue.....red
b)
red.....blue
c)
pink.........colourless
d)
colourless..........pink
198.
Many cleaning solutions are bases. Which of the following is a property of most bases?
a)
feels slippery
b)
white color
c)
can only be liquid
d)
tastes sour
199.

The taste of acids is...

a)

bitter and sweet

b)

sweet and salty

c)

slty

d)

sour

200.
Which has a pH above 7?
a)
Acid
b)
Base
201.

ACID will change BLUE litmus paper to

a)

red

b)

blue

c)

yellow

d)

green

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