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Quarter 1 Benchmark Review (LER)

Total questions: 130

Worksheet time: 2hrs 5mins

Name
Class
Date
1.

In any experiment, the independent variable ______________.

a)

remains the same to not mess up the experiment

b)

is purposely changed to test the hypothesis

c)

is known by the scientist before doing the experiment

2.

The variables in an experiment that stay the same are the -

a)

Independent Variable

b)

Dependent Variable

c)

Constants

d)

Control

3.
A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
4.

Why do we want to test one independent variable at a time?

a)
Because it is hard to setup a data table with more
b)

To know what is truly causing the changes

c)
It is what has always been done
d)
No one really knows
5.

You drop a tennis ball from three different heights: 1 meter, 2 meters, and 3 meters above the ground. You measure to see how high the ball bounces.

What is a constant?

a)

The ball you use

b)

The height you drop the ball from

c)

The height the ball bounces

6.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
7.

Which variable is the data that you measure and record in the lab?

a)

independent

b)

dependent

c)

control

d)

math

8.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid. Each plant has the same amount of sunlight, soil and listens to the same music. What is the independent variable?

a)

the type of plant

b)

the type of liquid

c)

the type of music

d)

the amount of liquid

9.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
10.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
11.
In a hypothesis, you should see the words _____ and then.
a)
if
b)
that
c)
now
d)
when
12.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
13.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
14.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
15.
Which number is the arm in the image?
a)
3
b)
6
c)
9
d)
12
16.

Which number points to the objective lenses in the image?

a)
1
b)
7
c)
8
d)
12
17.
Which number is the revolving nosepiece in the image?
a)
7
b)
8
c)
9
d)
10
18.

Which number is the coarse adjustment in the image?

a)

5

b)
8
c)

4

d)
10
19.

Which number is the fine adjustment in the image?

a)

4

b)

5

c)

11

d)
12
20.

What is number 1?

a)

arm

b)

base

c)

light source

d)

stage

21.

What is number 8?

a)

stage

b)

stage clips

c)

base

d)

nose piece

22.

What is number 9?

a)

rotating nose piece

b)

objective lens

c)

ocular lens

d)

adjustment knob

23.

Label the 3 objective lenses.

a)

High Power (100x)

b)

Scanning Power (4x)

c)

Low Power (4x)

1
2
3
1)
2)
3)
24.
Used to control the amount of light reaching the specimen
a)
Illuminator
b)
Stage
c)
Eyepiece
d)
Diaphragm
25.
Lens used to view specimen; also called eyepiece
a)
Scanning Lens
b)
Objective Lens
c)
Ocular Lens
d)
Illuminator
26.
Moves stage up and down for focusing; large amounts
a)
Fine Focus Knob
b)
Large Focus Knob
c)
Course Focus Knob
d)
Small Focus Knob
27.

Which piece is the coverslip, the thin piece of plastic that covers and protects what you are investigating?

a)

A

b)

B

28.

Which piece is the slide, the thin piece of glass that holds what you are investigating?

a)

A

b)

B

29.

Which knob CANNOT be turned when observing a specimen using the high-powered objective?

a)

coarse adjustment

b)

fine adjustment

c)

nosepiece adjustment

d)

objective adjustment

30.

Which objective lens should you ALWAYS begin your observation with?

a)

low power objective

b)

scanning power

c)

high power objective

d)

oil immersion objective

31.
All carbohydrate names end with which ending:
a)
ise
b)
ase
c)
ese
d)
ose
32.
What molecule is this
a)
sucrose
b)
protein
c)
glucose
d)
cellulose
33.
Carbohydrates are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
34.

What is the function of a carbohydrate?

a)

Instant energy

b)

Stored energy

c)

Stores genetic information

d)

Speeds up reactions

35.

What are the monomers of carbohydrates called?

a)

Monosaccharides

b)

Disaccharides

c)

Polysaccharides

d)

Amino Acids

36.

When humans intake too many carbohydrates, the excess carbs are stored as

a)

Glycogen

b)

Starch

c)

Cellulose

d)

Veggies

37.

The monomer of a nucleic acid is

a)

Monosaccharide

b)

Amino Acid

c)

Nucleotide

d)

Triglyceride (3 Fatty Acids and 1 Glycerol)

38.

What are the monomers of proteins?

a)

amino acids

b)

fatty acids

c)

glycerol

d)

monosaccharides

39.

What are the monomers of a lipid?

a)

3 gylcerols and 1 fatty acid

b)

1 glycerol and 3 fatty acids

c)

3 amino acids

d)

3 simple sugars

40.
Which is an example of a nucleic acid?
a)
oil
b)
sugar
c)
DNA
d)
red meat
41.

What element is most abundant in living things?

a)

Carbon

b)

Nitrogen

c)

Water

d)

Sugar

42.

What is being represented in the picture above?

a)

dehydration synthesis of a carbohydrate

b)

dehydration synthesis of a protein

c)

hydrolysis of a carbohydrate

d)

hydrolysis of a protein

43.
What is the primary role of enzymes inside of living cells? 
a)
organizing the translation of proteins
b)
allowing cells to be motile
c)
absorbing ultraviolet rays
d)
speeding up chemical reactions 
44.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
45.
Enzymes are considered to be 
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
46.

Which of the following macromolecules are a prominet part of animal tissues that function in insulation, helping animals conserve heat?

a)

proteins

b)

carbohydrates

c)

nucleic acids

d)

lipids

47.

Enzymes only work with specific substrates because each substrate -

a)

can only use a specific ionic bond with the enzyme

b)

destroys its specific enzyme

c)

actively interferes with other substrates around it

d)

has a specific activation site for enzyme attachment

48.

All organic compounds have which of the following in common?

a)

They contain carbon

b)

They contain nitrogen

c)

They contain water

d)

They contain carbon dioxide

49.

Enzymes are affected by high temperatures and are often denatured. Which BEST describes what happens when an enzyme is denatured?

a)

A very high temperature changes a protein's amino acids.

b)

A very high temperature changes a protein's shape.

c)

A very high temperature adds polymers to a protein.

d)

A very high temperature removes polymers from a protein.

50.
According to the graph, what is the optimum pH for the action of the enzyme intestinal protease?
a)
5
b)
8
c)
10
d)
12
51.
Which of the following environmental factors does NOT affect enzyme function?
a)
enzyme or substrate concentration
b)
pH
c)
temperature
d)
all of the above affect enzyme function
52.

In an experiment to determine the effects of listening to loud music on test scores, what would the x-axis label be?

a)

Type of music

b)

Test score

c)

Volume of music

d)

Grade in class

53.

The variable that is measured.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

54.

When making a line graph, every point that you plot on the graph paper should be _____________ .

a)

done in pen.

b)

circled.

c)

checked off.

d)

crossed out.

55.

What is the independent variable in this graph?

a)

Tadpoles

b)

Year

c)

Frogs

d)

Number of tadpoles in the pond

56.

What type of graph shows change over time?

a)
b)
c)
d)
57.

What is the difference between the number of frogs in the pond when the rainfall was 5cm and when the rainfall was 20cm?

a)

20

b)

40

c)

50

d)

60

58.

When making a line graph, how do you connect the points?

a)

Curved line

b)

Straight line

59.

In what organelle is the genetic material found inside?

a)

cell membrane

b)

chloroplast

c)

nucleus

d)

ribosome

60.

A large central vacuole is found in a _____ cell.

a)

animal

b)

plant

61.

This organelle controls what goes in and out of plant and animal cells.

a)

Cell Wall

b)

Cell Membrane

c)

Chloroplasts

d)

Cytoplasm

62.

The _____________ is a gel-like fluid that fills plant and animal cells. It holds the organelles in place and gives each cell its shape.

a)

Cytoplasm

b)

Cell Membrane

c)

Cell Wall

d)

Chloroplast

63.
Cell membranes are found in
a)
Only animal cells
b)
Only plant cells
c)
Some plant and animal cells
d)
All plant and animal cells
64.

Cell organelles work together to maintain

a)

homeostasis

b)

eukarya

c)

prokarya

d)

organisms

65.

Which statement is part of the cell theory?

a)

All cells react to stimulus

b)

The cell is the basic unit of all organisms

c)

The cell can be large or small

d)

The cell is either prokaryotic or eukaryotic

66.
Makes protein for the cell: 
a)
Nucleus
b)
Ribosomes
c)
Cytoplasm
d)
Cell Membrane
67.
When cells are damaged, new cells are created by cell division. How does the cell theory support this fact?
a)
It states that all cells have a nucleus which divides.
b)
It states that all living things are made up of one or more cells.
c)
It states that cells come from previously existing cells.
d)
 It states that the basic units of structure and function are cells.
68.

What type of organisms does the cell theory apply to

a)

bacteria

b)

multicellular organisms

c)

plants and animals

d)

all of the above

69.

What is the function of the cell membrane?

a)

To control what comes in and out of the cell

b)

To break down food inside the cell

c)

to serve as a barrier

d)

to eat the cells food

70.
Where does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
71.

What organelle helps with cell digestion?

a)

lysosomes

b)

golgi complex

c)

ribosomes

d)

endoplasmic reticulum

72.

Which cell parts are not present in animal cells?

a)

cell membrane & cytoplasm

b)

nucleus & chloroplasts

c)

cell wall & chloroplasts

d)

ribosomes & mitochondria

73.

Which is a characteristic of living things?

a)

They breathe.

b)

They have skin.

c)

They can move.

d)

They respond to their environments.

74.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
75.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
76.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
77.
Enzymes are composed of which of the following monomers? 
a)
amino acids
b)
carbohydrates
c)
nucleotides
d)
monosaccharides
78.

This molecule is

a)

Carbon

b)

Water

c)

Glucose

d)

Fat

79.

What type of reaction is shown?

a)

Dehydration synthesis

b)

Hydrolysis

80.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
81.

Label the parts of the enzyme model

a)Substrate
b)Products
c)Enzyme
d)Active site
1
2
3
4
1)
2)
3)
4)
82.

Click on the temperature that this enzyme is having optimum activity.

A
B
C
83.
What happens to an enzyme when it is denatured?
a)
Activation energy is lowered.
b)
It becomes stronger.
c)
It loses its shape.
d)
Activation energy is raised.
84.

Match the following Macromolecules to its structure

a)
1.

Carbohydrate

b)
2.

Lipid

c)
3.

Nucleic Acids

d)
4.

Protein

85.

Enzyme can be used again and again

a)

True

b)

False

86.

What does it mean if conditions are optimal?

a)

Good conditions for the enzyme

b)

Bad conditions for the enzyme

c)

The best conditions for the enzyme

d)

The enzyme won't work

87.

Is the molecule shown organic or inorganic?

a)

Organic

b)

Inorganic

88.

Match the following

a)

Lysis

1.

To split

b)

Dehydrate

2.

Remove water

c)

Di

3.

Two

d)

Synthesis

4.

To build or make

89.

A _________ reaction removes a molecule of water to bond molecules together to create a polymer.

a)

hydrolysis

b)

water

c)

dehydration synthesis

d)

magical

90.

Which type of reaction is shown?

a)

Dehydration Synthesis

b)

Hydrolysis

91.

How many water molecules are released in the formation of this polymer?

a)

1

b)

2

c)

3

d)

4

92.

Which of these molecules is a monomer?

a)
b)
93.

How many sugar units make up polysaccharides?

a)

one

b)

two

c)

three or more

d)

zero

94.
The diagram shows a bond forming between two amino acids. What is the name of this reaction?
a)
Dehydration Synthesis
b)
Hydrolysis
c)
Pepysis
d)
Oxidation
95.

What is the name of the bond that joins two amino acids together?

a)

Ester bond

b)

Glycosidic bond

c)

Peptide bond

d)

Nucleic bond

96.

If you change the shape of an enzyme, will it work the same/properly?

a)

Yes

b)

No

97.

What are the two kinds of nucleic acids? (check all that apply)

a)

RNA

b)

DNA

c)

Amino Acids

d)

5-Carbon Sugar

98.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
99.

Label the 3 parts of a nucleotide.

a)phosphate
b)sugar
c)base
d)acid
1
2
3
1)
2)
3)
100.

Many monomers put together make a

a)

dimer

b)

trimer

c)

polymer

d)

monosaccharide

101.
a)
Passive Transport
b)
Active Transport
102.
a)
Passive Transport
b)
Active Transport
103.
a)
Passive Transport
b)
Active Transport
104.
a)
Passive Transport
b)
Active Transport
105.
Osmosis
a)
Passive Transport
b)
Active Transport
106.
High to Low
a)
Passive Transport
b)
Active Transport
107.
Solutes move with the concentration gradient
a)
Passive Transport
b)
Active Transport
108.
Diffusion
a)
Passive Transport
b)
Active Transport
109.
Facilitated Diffusion
a)
Passive Transport
b)
Active Transport
110.
a)
Passive Transport
b)
Active Transport
111.
a)
Passive Transport
b)
Active Transport
112.
a)
Passive Transport
b)
Active Transport
113.
Uses ATP
a)
Passive Transport
b)
Active Transport
114.
Solutes move against the concentration gradient
a)
Passive Transport
b)
Active Transport
115.
Low to High
a)
Passive Transport
b)
Active Transport
116.
Endocytosis
a)
Passive Transport
b)
Active Transport
117.
Exocytosis
a)
Passive Transport
b)
Active Transport
118.
a)
Passive Transport
b)
Active Transport
119.
a)
Passive Transport
b)
Active Transport
120.
a)
Passive Transport
b)
Active Transport
121.
a)
Passive Transport
b)
Active Transport
122.
a)
Passive Transport
b)
Active Transport
123.
a)
Passive Transport
b)
Active Transport
124.

Identify the substance/molecule that will not diffuse.

a)

Starch

b)

Glucose

c)

Iodine

125.

Identify the substance that was added to the outside of the plant cells that caused the change observed.

a)

salt water

b)

fresh water

c)

distilled water

d)

glucose

126.

Identify the substance that was added to the outside of this cell that caused the change observed.

a)

salt water

b)

fresh water

c)

distilled water

d)

glucose

127.

Molecule A cannot diffuse. What is a possible reason why?

a)

Molecule A is a macromolecule and it is too large to move.

b)

Molecule A is a building block and it is too large to move.

c)

Molecule A is a building block and it is too small to move.

d)

Molecule A is a macromole and it is too small to move.

128.

The following image shows a plant cell in a normal environment. Which picture shows what a plant cell would like if salt was added to the outside?

a)
b)
129.

This image represents which type of structure?

a)

Hydrogen

b)

Nucleus

c)

Membrane Tissue

d)

Phospholipid

130.

Based on the image, where will the carbon dioxide molecules move towards?

a)

Inside the cell

b)

Outside the cell

c)

Remain in the hydrophobic tails of the membrane

d)

They will not be able to pass through the phospholipid bilayer

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