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1st 9 weeks exam review biology

Total questions: 105

Worksheet time: 6hrs 41mins

Name
Class
Date
1.

Which of the following is NOT part of the cell theory?

a)

All living things are composed of cells.

b)

All cells require oxygen.

c)

Cells are the basic unit of structure and function.

d)

Cells come from preexisting cells.

2.

Monomers come together to form _______________

a)

Energy

b)

Polymers

c)

Chemical Reactions

d)

Enzymes

3.

Letter D in the picture is...

a)

Active Site

b)

Enzyme

c)

Substrate

d)

Products

4.

What is being represented by Letter A in the image

a)

Substrate

b)

Enzyme

c)

Complex

d)

Product

5.

The part of the enzyme that the substrate bonds to is called the _________

a)

Activation Energy

b)

Bond Site

c)

Active Site

d)

Protein

6.

When is the reaction most active?

a)

A

b)

B

c)

C

d)

D

7.

Which statement is part of the CELL THEORY?

a)

eukaryotic cells are complex

b)

humans are multicellular

c)

bacteria are prokaryotic cells

d)

all cells come from preexisting cells

8.

Rigid, outermost layer of the plant cell

a)

Nucleus

b)

Cytoplasm

c)

Cell Wall

d)

Chloroplast

9.

The control center that controls all the functions of the cell

a)

Cytoplasm

b)

Cell Wall

c)

Nucleus

d)

Cell Membrane

10.

Contains chlorophyll and is where PHOTOSYNTHESIS takes place. Found in plant cells only.

a)

Mitochondria

b)

Chloroplast

c)

Vacuole

d)

Cytoplasm

11.

I am the "Powerhouse" of the cell. I make most of the energy!

a)

Vacuole

b)

Nucleus

c)

Mitochondria

d)

Lysosomes

12.

I store water in both plant and animal cells. What am I?

a)

cytoplasm

b)

ribosomes

c)

vacuole

d)

lysosomes

13.
True or False: A hypothesis must be stated in a way that is testable.
a)
True
b)
False
14.
In a "controlled" experiment, how many variables should you change at a time?
a)
4
b)
3
c)
6
d)
1
15.
Observation
a)
Act of recognizing a fact using your senses
b)
Information organized for analysis
c)
Conclusion or reason proposed to explain an observation
16.
The variable that you change in the experiment. Also called the manipulated variable.
a)
Controlled
b)
Dependent
c)
Independent
d)
Responding
17.
Dependent Variable
a)
Variable that is to change on purpose
b)
Variable that is the result of what happened and is considered the data
c)
Variable that nothing was done to
18.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
19.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
20.
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
21.
What property of water makes it the 'universal solvent'?
a)
it is a polar molecule
b)
it is an ionic compound
c)
it contains hydrogen bonds
d)
it steals electrons from other atoms
22.
Which group of organic molecules serve as long-term energy storage and waterproof coverings?
a)
proteins
b)
carbohydrates
c)
lipids
d)
nucleic acids
23.
Proteins are composed of what smaller subunits?
a)
amino acids
b)
nucleic acids
c)
fatty acids
d)
nucleotides
24.
Also known as simple sugars, these are the carbohydrate monomers.
a)
lipids
b)
nucleotide
c)
monosaccharide
d)
monomer
25.
What happens to an enzyme when it is exposed to high temperature and pH?
a)
the enzyme stays the same
b)
the enzyme is denatured
c)
the enzyme creates sulfur-sulfur bonds
d)
creates amino acids
26.
Enzymes belong to which group of organic compounds
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
27.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
28.
A(n) ______ ____  is the part of the enzyme the molecule fits into.
a)
product
b)
active site
c)
enzyme
d)
substrate
29.

Which of the following is not an autotroph?

a)

mushroom

b)

wheat grass

c)

oak tree

d)

green moss

e)

rose bush

30.

Which are the 3 parts of the Cell Theory? (Check the 3 right answers)

a)

All living things are composed of cells

b)

All cells require water and oxygen to survive

c)

Cells are the basic units of structure and function in living things

d)

All cells are produced from other cells

31.

I decide what goes in and out of the cell. I am fluid like and found in BOTH plant and animal cells. I am a...

a)

Cell Wall

b)

Cell Membrane

c)

Cytoplasm

d)

Golgi Apparatus

32.

The ___ is the basic unit of structure and function of organisms

a)

atom

b)

cell

c)

matter

d)

molecule

33.

Which type of cell is shown in the diagram?

a)

Prokaryote

b)

Eukaryote

34.
Active transport requires the cell to move materials against the concentration gradient, what molecule is required for this to occur?
a)
ADP
b)
ATP
c)
carbohydrates
d)
lipids
35.
The light dependent reaction of photosynthesis occurs where in the chloroplast?
a)
stomata
b)
stroma
c)
thylakoid 
d)
chloroplast membrane
36.
This stage of cellular respiration does not require oxygen
a)
Kreb's cycle
b)
glycolysis
c)
ETC
d)
fermentation
37.
Which process generates the most amount of ATP?
a)
aerobic respiration
b)
anaerobic respiration
38.

Plasma membranes are selectively permeable. This means

a)

anything can pass in and out

b)

the membrane regulates the passage of the material in and out of the cell

c)

glucose cannot enter the cell

d)

cholesterol cannot enter

39.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHOBIC?

a)

the phosphate "head"

b)

the lipid "tails"

40.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHILIC?

a)

the phosphate "head"

b)

the lipid "tails"

41.

The majority of the plasma membrane is composed of ______.

a)

phospholipids

b)

proteins

c)

carbohydrates

d)

cholesterol

42.

The invention of the ___ made it possible for scientist to view and study the cell.

a)

blow horn

b)

microscope

c)

slides

d)

telescope

43.

Which group of cells have NO nucleus, are all unicellular, have single strand DNA, and can be found in bacteria?

a)

Prokaryotic Cells

b)

Eukaryotic Cells

c)

Both

d)

Neither

44.
What are the TWO main types of cells?
a)
plant cells and animal cells
b)
animal cells and bacteria
c)
plant cells and bacteria
d)
eukaryotic and prokaryotic
45.

Instead of light, a TEM and SEM utilize ____________ to create an image

a)

a colored pencil

b)

neutrons

c)

protons

d)

electrons

46.

Which cell type tends to be smaller?

a)

Prokaryote

b)

Eukaryote

c)

there is not a size difference

47.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
48.
What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
49.
What subatomic particle is electrically neutral (no charge)?
a)
Proton
b)
Ion
c)
Neutron
d)
Electron
50.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
51.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
52.

A negatively charged object and a positively charged object will...

a)

attract.

b)

repel.

c)

not experience an electric force.

d)

implode.

53.

A substance that is formed as the result of a chemical reaction is a __________________

a)

Product

b)

Reactant

c)

Starters

d)

Enders

54.

A change in the shape of an object is an example of _________________.

a)

a chemical change

b)

energy

c)

an endothermic change

d)

a physical change

55.

Which of the following is an example of a chemical change?

a)

water freezes to form ice

b)

sugar dissolves in water

c)

gasoline burns in a car engine

d)

a piece of metal expands when it is heated

56.

How does a catalyst work in speeding up a reaction?

a)

By lowering the activation energy or reaction

b)

by giving them more energy

c)

by making them more available

57.

Which part of a water molecule has a Positive Charge?

a)

The Hydrogen

b)

The Oxygen

c)

The Top

d)

The Bottom

58.

What is the correct chemical formula for water?

a)

H2O

b)

HO2

c)

H2O2

d)

2H1O

59.

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

60.

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

61.

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

62.

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

a)

cohesion

b)

adhesion

c)

density

d)

surface tension

63.

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

64.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
65.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
66.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
67.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
68.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
69.
The word saccharide means:
a)
sugar
b)
glucose
c)
sweetener
d)
carbohydrate
70.
How many sugar units make up disaccharides?
a)
one
b)
two
c)
three
d)
zero
71.

____________ are large molecules necessary for life.

a)

Macromolecules

b)

Monomers

c)

Micromolecules

d)

Substrates

72.

Atoms in molecules share pairs of electrons when they make

a)

covalent bonds.

b)

ionic bonds.

c)

hydrogen bonds.

d)

Polar bonds.

73.
This is the variable that I measure. It's what is affected by the manipulated variable.
a)
Control Group
b)
Dependent Variable
c)
Independent Variable
d)
Constants
74.
This is the group that I use to compare my test results against.
a)
Control Group
b)
Dependent Variable
c)
Independent Variable
d)
Constants
75.
This is a testable idea/question that can lead to a scientific investigation.
a)
Hypothesis
b)
Independent Variable
c)
Dependent Variable
d)
theory
76.
A ________ is a well-tested explanation for a relationship.
a)
Scientific Law
b)
Control
c)
Experiment
d)
Scientific Theory
77.
The ability to maintain stable internal conditions is known as:
a)
Homeostasis
b)
Metabolism
c)
Adaptation
d)
Evolution
78.
What format should a hypothesis by written in?
a)
If-How
b)
If-Then
c)
Why-Then
d)
How-Why
79.

Select all of the characteristics shared by all living things.

a)

respond to stimuli

b)

reproduce

c)

made of atoms

d)

grow and develop

e)

use photosynthesis

80.

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

a)

quantitative

b)

qualitative

81.

There are two types of data. Which type of data involves descriptions/photographs/illustrations that cannot be counted or measured?

a)

qualitative

b)

quantitative

82.
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
83.

Why do scientists use the scientific method?

a)

To make sure they get credit for their discoveries.

b)

To make sure their results are valid and can be performed by other scientists.

c)

So that other scientist don't get mad at them

d)

So they can seem intelligent.

84.
Describes relationships under certain conditions in nature usually mathamatically, but does not explain why the relationship is the way it is
a)
Law
b)
Theory
85.
Which is an example of Pseudoscience?
a)
Astronomy
b)
Astrology
c)
Biology
d)
Chemistry
86.

Scientific thinking begins with...

a)

Data

b)

Hypothesis

c)

Theory

d)

Observation

87.

Scientific hypotheses are most often tested by the process of....

a)

communicating

b)

inferring

c)

experimenting

d)

analyzing data

88.

Water beads up on the surface of a penny because of this property.

a)

Adhesion

b)

Surface Tension

c)

Universal Solvent

d)

Changes in Density

89.
What is the fluid-filled space that contains enzymes for the light-independent reactions called?
a)
Stroma
b)
Thylakoids
c)
Chloroplast
d)
Chlorophyll
90.
What are stacks of flattened sacs that contain the pigment chlorophyll called?
a)
Chlorophyll
b)
Stroma
c)
Chloroplast
d)
Thylakoids
91.
What is the site of the light-dependent reactions?
a)
Stroma
b)
Chloroplast
c)
Thylakoids
d)
Chlorophyll
92.
Which of the following is a product of the Calvin cycle?
a)
ATP
b)
glucose
c)
oxygen
d)
water
93.
In addition to sunlight, what else is required for photosynthesis to take place?
A: sugar and water
B: water and oxygen
C: carbon dioxide and water
D: oxygen and carbon dioxide

a)
carbon dioxide and water
b)
sugar and water
c)
oxygen and carbon dioxide
d)
water and oxygen
94.
How many reactions take occur in the process of photosynthesis?
a)
1
b)
2
c)
3
d)
4
95.
The reactants of photosynthesis are
a)
CO2 , H2O and light
b)
CO2 , H2 and light
c)
C , O2 and light
d)
CO2  ,H2 and light
96.
During photosynthesis, carbon dioxide is used to make sugars in the
a)
thylakoids.
b)
light-dependent reactions
c)
electron transport chain.
d)
Calvin cycle.
97.
The release of energy in an organism depends on the conversion of
a)
AMP to ADP.
b)
ADP to AZP
c)
ATP to ADP.
d)
ADP to ATP.
98.
The oxygen that is released as O2 during photosynthesis came from _____________ molecules.
a)
carbon dioxide
b)
chlorophyll
c)
glucose
d)
water
99.
Another name for the light independent reaction is the Calvin Cycle.
a)
True
b)
False
100.
The Calvin cycle is another name for the ___________________ reaction.
a)
light dependent
b)
light independent
101.
Water is a necessary ingredient for photosynthesis.
a)
True
b)
False
102.
An example of a heterotroph is
a)
grass
b)
tree
c)
algae
d)
squirrel
103.
In the ATP molecule which  letter represents the phosphate groups?
a)
A
b)
B
c)
C
104.
In the ATP molecule which  letter represents the ribose sugar?
a)
A
b)
B
c)
C
105.
In the ATP molecule which  letter represents the adenine base?
a)
A
b)
B
c)
C

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