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BIO Review for Semester 1 Final

Total questions: 190

Worksheet time: 48hrs 30mins

Name
Class
Date
1.

What are the two parts of photosynthesis? Select both answers

a)

light-dependent reaction

b)

glycolysis

c)

Calvin cycle (light-independent reaction)

d)

electron transport chain reaction

2.

What two energy molecules are made by the light-dependent reaction? Select both answers.

a)

NADPH

b)

glucose

c)

ATP

d)

oxygen gas

3.

Photosynthesis makes and uses NAPhD.

a)

True

b)

False

4.

The oxygen gas we breathe comes from the splitting of carbon dioxide molecules during the light-dependant reaction.

a)

True

b)

False

5.

What is the goal of the Calvin cycle?

a)

make sugar (C6H12O6)

b)

make oxygen gas (O2)

c)

make ATP

d)

make water (H2O)

6.

The carbon dioxide is used by the plant during ________.

a)

the light-dependent reaction

b)

the Calvin cycle

7.

Which molecule has more energy?

a)

water

b)

carbon dioxide

c)

sugar

8.
What is the source of energy for photosynthesis?
a)
carbohydrates-chemical
b)
sunlight-radiant
c)
heat-thermal
d)
television-electrical
9.

What are the reactants (what's needed) for photosynthesis?

a)

glucose (C6H12O) and oxygen (O2)

b)

light, water (H2O), and carbon dioxide (CO2)

10.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
11.
What are the products (what's made) during photosynthesis?
a)
glucose and oxygen
b)
water, light, and carbon dioxide
12.
In which organelle (part of the cell) does photosynthesis take place?
a)
mitochondria
b)
chloroplast
c)
nucleus
d)
cell membrane
13.
What pigment absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
14.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
15.
Which of the following is NOT a product of the light-dependent reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
16.
What is the function of NADPH and ATP?
a)
They absorb light
b)
The power the light-dependent reactions
c)
They are light-reflecting pigments
d)
They act as short-term energy storage
17.
Use the diagram to answer the question. Which chemical is an electron carrier molecule?
a)
H2O
b)
carbon dioxide
c)
NADP+
d)
oxygen
18.
Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis? 
a)
The light-dependent stage
b)
The light-independent stage (The Calvin Cycle)
c)
The electron transport chain
d)
ATP formation
19.

What is the ultimate ORIGINAL source of energy for living things?

a)

Sugar

b)

Sun

c)

Moon

d)

Carbon Dioxide

20.

What is produced as a result of photosynthesis?

a)

Glucose and Chlorophyll

b)

Glucose and Oxygen

c)

Water and Light energy

d)

Carbon dioxide and Water

21.
In what part of a plant does the process of photosynthesis occur?
a)
flower
b)
xylem
c)
leaves
d)
roots
22.
Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin Cycle?
a)
CO2 and glucose
b)
ATP and NADPH
c)
ADP, P and NADP+
d)
H2Oand O2
23.
Where does the Calvin cycle take place?
a)
Stroma
b)
thylakoid
c)
thylakoid space
d)
matrix
24.

When oxygen is released as a result of photosynthesis, it is a direct by-product of _________.

a)

reducing NADP+

b)

splitting water molecules

c)

chemiosmosis

d)

electron transfer in photosystem 1

25.
What does CO2 get reduced to in Photosynthesis?
a)
O2
b)
H2O
c)
NADPH
d)
C6H12O6
26.

Name the photosynthetic structure shown here.

a)

photosystem I

b)

photosystem II

c)

thylakoid membrane

d)

chloroplast

27.

Name the photosynthetic structure shown here.

a)

photosystem I

b)

photosystem II

c)

thylakoid membrane

d)

chloroplast

28.
Name that molecule.
a)
ATP
b)
NADPH
c)
RuBP
d)
CO2
29.
Name that molecule.
a)
ATP
b)
NADPH
c)
RuBP
d)
CO2
30.

What is the primary function of the light-dependent reactions of photosynthesis?

a)

To produce glucose

b)

To produce NADPH and ATP

c)

To use ATP

d)

To produce RuBP

31.
Which of the following molecules is not needed for the Calvin Cycle?
a)
CO2
b)
ATP
c)
NADPH
d)
H2O
32.
What process breaks down sugars and makes large amounts of ATP when oxygen is present?
a)
Anaerobic Respiration
b)
Cellular Respiration
c)
Glycolysis
d)
Photosynthesis
33.
In what step of cellular respiration is glucose broken down?
a)
Aerobic Respiration
b)
Krebs Cycle
c)
Electron Transport Chain
d)
Glycolysis
34.

What do you get at the end of glycolysis?

a)

Pyruvic acid, NADH, and ATP

b)

NAD, Oxygen, and ATP

c)

Carbon Dioxide, Water, ATP

d)

NAD, ATP, Pyruvic acid

35.
Why do you need the Krebs cycle?
a)
Form Citric Acid that makes NADH, water and CO2
b)
Breaking down pyruvate to form NADH and Oxygen
c)
Producing molecules that carry high energy electrons to the ETC
d)
bonding coenzyme A to pyruvate
36.
What is the function of oxygen in the process of cellular respiration?
a)
to deliver hydrogen ions to the electron transport chain
b)
to pick up electrons at the end of the electron transport chain
c)
to provide oxygen for the production of carbon dioxide
d)
to give a source of energy to the Krebs cycle
37.

Which is correct about fermentation?

a)

is an anaerobic process

b)

uses the ETC

c)

occurs only in bacteria

d)

is an aerobic process

38.

Which molecule is the product of Glycolysis and the reactant of the Krebs Cycle?

a)

pyruvic acid

b)

carbon dioxide

c)

water

d)

oxygen

39.

The Electron Transport Chain is a series of chemical reactions in which energy is transferred to form a large amount of what molecule?

a)

glucose

b)

oxygen

c)

pyruvic acid

d)

ATP

40.

The two type of fermentation are ____________ and lactic acid fermentation.

a)

lactic

b)

sulfuric

c)

hydrochloric

d)

alcohol

41.
The waste gas given off by cellular respiration is?
a)
oxygen
b)
carbon dioxide
c)
nitrogen
d)
methane
42.

Where does the Krebs Cycle take place?

a)

matrix of the mitochondria

b)

chloroplast

c)

cytoplasm

d)

inner membrane of the mitochondria

43.

Where does Glycolysis occur inside the cell? (first step in the overall process)

a)

Cytoplasm

b)

Mitochondria

c)

Chloroplast

d)

Nucleus

44.

Which stage of the cellular respiration process produces the most ATP?

a)

Glycolysis

b)

Acetyl CoA

c)

Kreb's Cycle

d)

Electron Transport Chain

45.

The energy in ATP is stored

a)

in the bond between the second and third phosphate

b)

in the bond between the first and second phosphate

c)

in the bond between the adenosine and the first phosphate

d)

in the ribose

46.

Which statement is true regarding cellular respiration?

a)

The reactants of cellular respiration are identical to the reactants of photosynthesis.

b)

The reactants of cellular respiration are obtained from the products of photosynthesis.

c)

The products of cellular respiration are the same as the products of photosynthesis

d)

Cellular respiration only occurs in autotrophs, photosynthesis occurs only in heterotrophs.

47.
What are the reactants of cellular respiration?
a)
glucose & carbon dioxide
b)
glucose & oxygen
c)
water & oxygen
d)
water & carbon dioxide
48.
If oxygen is not present what process will occur in yeast cells?
a)
Alcoholic fermentation
b)
Respiration
c)
Photosynthesis
d)
Lactic acid fermentation
49.
Cells produce ATP most efficiently in the presence of
a)
water
b)
carbon dioxide
c)
oxygen
d)
radiant energy
50.
Which organ excretes carbon dioxide?
a)
Lungs
b)
Liver
c)
Heart
d)
Kidney
51.
Aerobic respiration yields about  ___ ATP molecules per glucose, whereas anaerobic respiration yields ____ ATP molecules per glucose.
a)
36; 2
b)
2; 36
c)
6; 2
d)
36; 18
52.
What is the net gain of ATP during glycolysis?
a)
1
b)
2
c)
4
d)
34
53.

Where does the electron transport chain occur?

a)

Matrix of the mitochondria

b)

Vacuole

c)

Inner membrane of the mitochondria

d)

Nucleolus

54.

In the electron transport chain, Oxygen acts as...

a)

a carrier of electrons, passing electrons down the chain

b)

a reducing agent

c)

the final electron acceptor

d)

a coenzyme

55.

When protons are pumped outside the matrix, across the inner membrane...

a)

water is made

b)

a concentration gradient of H+ ions (protons) is created

c)

NADH gets reduced

d)

CO2 is produced

56.
What is a product of the Electron Transport Chain?
a)
CO2
b)
O2
c)
C6H1206
d)
H2O
57.

ATP synthesis by ATP synthase is driven by

a)

H+ movement

b)

electron movement

c)

NADH movement

d)

FADH2 movement

58.
What is the only useable form of energy?
a)
ADP
b)
ATP
c)
Glucose
d)
sugar
59.
What enzyme in the ETC is responsible for generating the ATP molecules?
a)
ATPase
b)
ATP synthase
c)
Hexokinase
d)
none of the above
60.

The final electron acceptor in cellular respiration is ______ that mixes with _______ to produce _______.

a)

water : hydrogen : oxygen

b)

hydrogen : oxygen : water

c)

hydrogen : water : oxygen

d)

oxygen : hydrogen : water

61.

Which process is responsible for generating the most high energy electron carriers such as NADH and FADH2?

a)

The Calvin Cycle

b)

Glycolysis

c)

Electron Transport Chain

d)

The Krebs Cycle

62.

Controls the cell's activities and contains the cell's DNA:

a)

mitochondria

b)

cell membrane

c)

nucleus

d)

golgi body

63.
This organelle helps plants keep their rigid structure. 
a)
Cell wall
b)
Cell membrane
c)
Chloroplast
d)
Nucleus
64.
This organelle makes proteins. 
a)
Cell membrane
b)
Nucleus
c)
Ribosome
d)
ER
65.
Which organelle "packages" needed chemicals for the cell?
a)
Ribosome
b)
Lisosome
c)
Vesticle
d)
Golgi Apparatus
66.

Organisms with cells that have a nucleus are called:

a)

Archaea

b)

Bacteria

c)

Eukaryotes

d)

Prokaryotes

67.

The basic unit of structure and function in an organism is the:

a)

Cell

b)

Chloroplast

c)

Lysosome

d)

Ribosome

68.

These organelles convert the energy in food molecules to a form the cell can use.

a)

Chloroplasts

b)

Mitochondria

c)

Lysosomes

d)

Ribosomes

69.

These organelles in plants capture light energy and store it in glucose molecules to be used as food.

a)

Chloroplasts

b)

Mitochondria

c)

Endoplasmic Reticulum

d)

Vacuoles

70.

This organelle is used for storage. Plants have one that is very large and filled with water.

a)

Cell Wall

b)

Chloroplast

c)

Nucleus

d)

Central Vacuole

71.

Gel-like fluid portion of the cell outside the nucleus:

a)

Cytoplasm

b)

Cell Membrane

c)

Vacuole

d)

Golgi Body

72.
Which one of the following is not part of the cell theory?
a)
all living things are made of cells
b)
cells are the basic units of structure and function of living things
c)
new cells are produced from existing cells
d)
cells never die
73.
What is the difference between rough and smooth Endoplasmic Reticulum?
a)
There is no difference.
b)
Plants have rough ER, animals have smooth ER.
c)
What type of injuries the Doctors treat.
d)
Rough has ribosomes, smooth does not.
74.

With the process of diffusion, molecules prefer to move from

a)

A low concentration to high concentration

b)

A high concentration to low concentration

75.

When the movement of molecules go against the concentration gradient, this is called:

a)

passive transport

b)

diffusion

c)

active transport

d)

Osmosis

76.
Movement of anything from an area of high concentration to low concentration.
a)
Diffusion
b)
Hypotonic
c)
Isotonic
d)
Passive Transport
77.
A solution that contains more dissolved substances than the cell it surrounds.  Water leaves the cell. Cell shrinks.
a)
Exocytosis
b)
Osmosis
c)
Hypertonic
d)
Passive transport
78.
Movement of water from an area of high concentration to low concentration.  Diffusion of water.
a)
Exocytosis
b)
Osmosis
c)
Hypotonic
d)
Isotonic
79.
Solution that contains the same amount of dissolved substances as the cell it surrounds.  No water movement. Shape stays the same.
a)
Hypotonic
b)
Isotonic
c)
Diffusion
d)
Endocytosis
80.
Movement of particles from high to low through a transport protein.  Form of passive transport.
a)
Facilitated diffusion
b)
Active transport
c)
Endocytosis
d)
Hypotonic
81.
Solution that contains less dissolved substances than the cell it surrounds.  Water enters the cell. Cell swells up.
a)
Exocytosis
b)
Isotonic
c)
Hypotonic
d)
Active transport
82.

Movement of very large particles out of the cell through the binding of vesicle to the plasma membrane.

a)

Diffusion

b)

Passive transport

c)

Active transport

d)

Exocytosis

83.

Process by which very large particles are brought into the cell by the formation of vesicle.

a)

Isotonic

b)

Hypotonic

c)

Exocytosis

d)

Endocytosis

84.

A _____ organism is made of many cells, each specialized to do certain jobs.

a)

Eukaryotic

b)

Multicellular

c)

Prokaryotic

d)

Unicellular

85.
Which statement is not part of the cell theory?
a)
All cells come from other cells.
b)
All living things have one or more cells.
c)
Cells are a living thing's basic unit of structure and function.
d)
All cells have a nucleus.
86.
Who looked at cork and named what he saw cells?
a)
Anton van Leeuwenhoek
b)
Robert Hooke
c)
Rudolph Virchow
d)
Matthias Schleiden
87.
The organelle that makes lipids, breaks down drugs and packages proteins.
a)
nucleus
b)
cell membrane
c)
ER
d)
ribosomes
88.
Which organelle is found in both plant and animal cells and converts sugars into energy?  (the powerhouse of the cell)
a)
Mitochondria
b)
Cell Wall
c)
Cell Membrane
d)
Vacuole
89.
Which type of cell looks more square?
a)
Animal Cells
b)
Plant Cells
c)
Both Plants and Animal Cells
d)
Skin cells
90.
Identify which of these is NOT a major difference between plant and animal cells.
a)
Only plant cells have a cell wall.
b)
Only animal cells have mitochondria.
c)
Animal cells do NOT contain chloroplasts.
d)
Plant cells have a large central vacuole.
91.
Which types of organisms are Prokaryotes?
a)
Animals
b)
Plants
c)
Fungi
d)
Bacteria
92.
Unicellular organisms are
a)
Prokaryotic
b)
Eukaryotic
c)
Made of many cells
d)
Made of one cell
93.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
94.

Homeostasis

a)

allows for a wildly fluctuating internal environment

b)

is impossible in vertebrates

c)

is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

95.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
96.
The cell is the building block of all living things.
a)
True
b)
False
97.

Scientists ask questions to make inferences and form ________.

a)

observations

b)

hypotheses

c)

controlled experiments

d)

ask questions

98.

Scientists conduct controlled experiments which include a ________ to serve as a basis for comparison.

a)

independent variable

b)

control group

c)

dependent variable

d)

controlled experiments

99.

Biologists have certain criteria that must be met if something is to be considered living. All living things are made up of cells and have ___________, which carries the genetic code.

a)

metabolism

b)

DNA

c)

evolve

d)

stimuli

e)

homeostasis

100.

the combination of chemical reactions through which an organism builds up or breaks down material

a)

reproduction

b)

metabolism

c)

evolution

d)

stimuli

e)

homeostasis

101.

relatively constant internal physical and chemical conditions that organisms maintain

a)

reproduce

b)

metabolism

c)

evolve

d)

stimuli

e)

homeostasis

102.

Living things can also change over time, or ___________.

a)

reproduce

b)

metabolism

c)

evolve

d)

stimuli

e)

homeostasis

103.

1 gram equals

a)

100 mg

b)

1000 mg

c)

0,1 mg

d)

0.01 mg

104.

The freezing point of water is

a)

0o C

b)

32o C

c)

100o C

d)

212o C

105.

A good scientist is open-minded and willing to change if need be, and does not let _______ or personal point of view influence them.

a)

observe

b)

evidence

c)

hypotheses

d)

bias

106.

Identify the step, as either scientific inquiry or engineering design.

Brainstorming hypotheses and choosing one

a)

scientific inquiry

b)

engineering design

107.

One goal of science is to provide natural and testable explanations for events in

a)

the natural world

b)

the supernatural world

c)

both

d)

neither

108.

In science, a ________ applies to a well tested explanation that unifies a broad range of observations and hypotheses

a)

leader

b)

journal

c)

theory

d)

scientist

109.

There is a(n) ________ when considering the "Circle of Life".

a)

evolution

b)

structure and function

c)

interdependence in nature

d)

science as a way of knowing

110.

a logical interpretation based on prior knowledge and experience

a)

hypothesis

b)

inference

c)

data

d)

observance

111.

Quantitative data are numbers obtained by counting or measuring.

a)

False

b)

True

112.
Substances are changed into different substances when bonds break and form during
a)
chemical equilibrium
b)
chemical reactions
c)
ion formation
d)
hydrogen bonding
113.
Atoms in molecules share pairs of electrons when they make
a)
ionic bonds
b)
covalent bonds
c)
hydrogen bonds
d)
polymers
114.
Which of the following is formed when an atom gains or loses electrons?
a)
element
b)
ion
c)
compound
d)
molecule
115.
Both animal fats and plant oils are made up of glycerol and 
a)
phospholipids
b)
fatty acids
c)
polar molecules
d)
saturated fats
116.
The smallest basic unit of matter is the 
a)
molecule
b)
atom
c)
compound
d)
cell
117.
What gives water many properties that are important to living things?
a)
temperature
b)
hydrogen bonds
c)
density
d)
specific heat
118.
Which of the following solutions has the highest H+ ion concentration?
a)
a solution with a pH of 1
b)
a solution with a pH of 4
c)
a solution with a pH of 7
d)
a solution with a pH of 10
119.
The activation energy needed for a chemical reaction is decreased by a 
a)
catalyst
b)
reactant
c)
product
d)
substrate
120.
The four main types of carbon-based molecules in organisms are carbohydrates, lipids, nucleic acids, and 
a)
starches
b)
fatty acids
c)
monosaccharides
d)
proteins
121.

Electrons orbit the nucleus of an atom that is composed of these two other particles:

a)

Protons

b)

Neutrons

c)

Positrons

d)

Photons

122.

An ionic bond forms when

a)

One or more electrons are transferred

b)

One or more electrons are shared

c)

A proton gains a negative charge

d)

The atoms becomes exothermic and undergoes thermolysis

123.

Water has these two physical properties that allow it to interact with other substances.

a)

Cohesion

b)

Adhesion

c)

Non-polar

d)

Ionically charged

124.

Carbon is called the element of life because

a)

It can bond with itself in different ways

b)

It forms four covalent bonds

c)

It is found in all living things

d)

All of these answers are correct

125.

Water's ability to dissolve many substances arises from:

a)

Water molecules being polar

b)

Water molecules being non-polar

c)

Water's high heat capacity

d)

Water being hydrophobic in nature

126.

Enzymes function to speed up chemical reactions by

a)

Lowering the activation energy

b)

Adding energy to the substrate molecules

c)

Changing the products into reactants

d)

Making reactants more polar and hydrophobic

127.

The location on an enzyme where substrate molecules bind is referred to as:

a)

The active site

b)

The monomeric colluder

c)

The resonator

d)

The synaptic cleft

128.

Which of the following is likely an enzyme?

a)

Glucose

b)

Amylase

c)

Sucrose

d)

Polylactic Acid

129.
The basic unit of matter
a)
matter
b)
energy
c)
atom
d)
isotope
130.
The center of the atom which contains the protons and neutrons
a)
electrons
b)
core
c)
center
d)
nucleus
131.
A substance consisting entirely of one type of atom
a)
compound
b)
atom
c)
molecule
d)
element
132.
Atom of an element that has a number of neutrons different from that of other atoms of the same element
a)
neutron
b)
neutral
c)
element
d)
isotope
133.
Smallest unit of most compounds
a)
element
b)
bond
c)
atom
d)
molecule
134.

In what form is carbon found in the atmosphere?

a)

CO2

b)

C6H12O6

c)

H2O

d)

ATP

135.

What is a difference between starch and glycogen?

a)

Starch stores energy, and glycogen provides structural support.

b)

Starch is found in plants, and glycogen is found in animals.

c)

Starch is composed of fructose, and glycogen is composed of glucose.

d)

Starch is a monomer, and glycogen is a polymer.

136.

What is the general term for any carbohydrate monomer?

a)

glucose

b)

polysaccharide

c)

monosaccharide

d)

fructose

137.

Which carbohydrate can be used by the body as an immediate source of energy?

a)

glucose

b)

cellulose

c)

chitin

d)

glycogen

138.

Why do phospholipids form a bilayer in water?

a)

The phosphate portions repel each other.

b)

The hydrophilic and hydrophobic parts attract each other.

c)

The phosphate portions attract water, and the lipid portions repel water.

d)

The lipid portions attract water, and the phosphate portions repel water.

139.

Which is released during the formation of a peptide bond?

a)

a five-carbon sugar

b)

an amino group

c)

an amino acid

d)

a water molecule

140.

Anything that takes up space and has mass

a)

Matter

b)

Compounds

c)

Theories

d)

Don't pick this one

141.

A substance that consists of two or more elements and has a unique composition that is always the same is __________________________

a)

a chemical compound

b)

an element

c)

an atom

d)

an argument

142.

The forces that holds molecules together are called

a)

chemical bonds

b)

forces

c)

attractions

d)

atoms

143.

These organic molecules provide energy to cells, store energy, and form body structures of plants.

a)

Carbohydrates

b)

Fats

c)

Lipids

d)

Nucleic acids

144.

These organic molecules store energy, form cell membranes, and carry messages

a)

Lipids

b)

Proteins

c)

Carbohydrates

d)

Nucleic Acids

145.

These organic molecules contain instructions for proteins, pass instructions from parents to offspring, help cells to assemble proteins.

a)

Nucleic Acids

b)

Proteins

c)

Lipids

d)

Fats

146.

These organic molecules help cells keep their shape, make up muscles, and speed up chemical reactions

a)

Proteins

b)

Fats

c)

Lipids

d)

Fatty Acids

147.

What is the center of an atom called?

a)

The headquarters

b)

The centrometer

c)

The hypothesis

d)

The nucleus

148.

Which subatomic particle does the GREEN( ) circle represent?

a)

proton

b)

neutron

c)

electron

d)

nucleus

149.

Which subatomic particle does the YELLOW(-) circle represent?

a)

proton

b)

neutron

c)

electron

d)

nucleus

150.

Which subatomic particle does the RED(+) circle represent?

a)

proton

b)

neutron

c)

electron

d)

nucleus

151.
Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
152.

When water molecules stick to each other because of the polar attraction between hydrogen and oxygen atoms, it is called ______________.

a)

adhesion

b)

cohesion

c)

specific heat index

d)

properties of water

153.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
154.
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.
155.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
156.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
157.
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
158.
Proteins are composed of what smaller building blocks?
a)
amino acids
b)
nucleic acids
c)
fatty acids
d)
nucleotides
159.

____________ is the part of Earth in which life exists including land, water and air or atomoshere.

a)

Biosphere

b)

Biota

c)

Geosphere

d)

Hydrosphere

160.

__________ are the living things within the biosphere.

a)

Biosphere

b)

Biota

c)

Geosphere

d)

Hydrosphere

161.

All of Earth’s water, ice, and water vapor make up the __________.

a)

Biosphere

b)

Biota

c)

Geosphere

d)

Hydrosphere

162.

_____________ includes factors such as average conditions of temperature and precipitation over a long period of time.

a)

Climate

b)

Abiotic

c)

Biotic

d)

Weather

163.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
164.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
165.

An assemblage of different populations that live together in a defined area is known as a(n) ____________.

a)

population

b)

ecosystem

c)

community

d)

ecosphere

166.

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment is known as a(n) ______________.

a)

population

b)

community

c)

habitat

d)

ecosystem

167.

Which list contains only Abiotic factors?

a)

water, sunlight, dirt, air

b)

birds and plants

c)

birds, water, dirt

d)

plants, water

168.

A group of individuals that belong to the same species living in the same area:

a)

Community

b)

Population

c)

Organisms

d)

Biosphere

169.

Organisms that look similar and can produce fertile offspring:

a)

Species

b)

Fish

c)

Community

d)

Trees

170.

_____________ changes from minute-to-minute, hour-to-hour, day-to-day.

a)

Climate

b)

Weather

171.
What gas from the list below is a cause for global warming?
a)
Urethane
b)
Oxygen
c)
Carbon Dioxide
172.
What are all of the climate zones that result from the unequal heating of Earth?
a)
tropical and polar
b)
temperate and polar
c)
temperate and tropical
d)
tropical, temperate, and polar
173.

The diagram represents solar energy that is absorbed by Earth's land and water surfaces and is changed into heat that radiates back into the atmosphere. What is this process called?

a)

ozone

b)

radiation

c)

the greenhouse effect

d)

evaporation

174.

Without the Greenhouse Effect the Earth would be __________.

a)

warm

b)

cold

c)

dead

175.
Which season is shown in the southern hemisphere?
a)
winter
b)
spring
c)
summer
d)
fall
176.

The Tundra is characterized by low temperatures and low amounts of rainfall?

a)

True

b)

False

177.

The Tropical Rain Forest, because of its climate, has the largest number of species of plants and animals?

a)

True

b)

False

178.

One characteristic feature of tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a layer of permanently frozen subsoil. This characteristic is known as:

a)

glaciation

b)

permafrost

c)

crystallization

d)

soilfrost

179.

Which type of trees is found in a Temperate Forest?

a)

deciduous

b)

evergreen

c)

ginko

d)

palm

180.

Deserts receive between 0 to 25 centimeters of rain per year, have extreme daily temperature changes between hot and cold, have poor soil, and are home to lizards, scorpions, and snakes?

a)

True

b)

False

181.

The most important abiotic factors when studying biomes are:

a)

Food and Water

b)

Water and Sunlight

c)

Temperature and Oxygen

d)

Water and Temperature

182.

Areas that start beyond the coastal ocean:

a)

Intertidal zones

b)

Coral reefs

c)

Continental shelves

d)

Open oceans

183.

An aphotic zone is a dark layer of the ocean below the photic zone where sunlight does not penetrate.

a)

True

b)

False

184.
All food chains begin with a ____________.
a)
primary consumer
b)
secondary consumer
c)
producers
d)
scavengers
185.
A consumer gets energy by doing what?
a)
Making it themselves.
b)
Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
c)
Soaking it up from the ground.
d)
Feeding on other organisms.
186.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
187.
This type of consumer only feeds on the bodies of dead animals.
a)
Herbivore.
b)
Decomposer.
c)
Carnivore.
d)
Scavenger
188.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
189.

What is an abiotic factor?

a)

A living condition or thing, that influences or affects an ecosystem and the organisms in it.

b)

A non-living condition or thing, that does not affect an ecosystem and the organisms in it.

c)

A non-living condition or thing, that influences or affects an ecosystem and the organisms in it.

d)

A living condition or thing, that does not affect an ecosystem and the organisms in it.

190.

What is a biotic factor?

a)

Any non-living component that affects the population of another organism, or the environment.

b)

Any living component that has a population.

c)

Any living component that affects the population of another country.

d)

Any living component that affects the population of another organism, or the environment.