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biology mid term study guide



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Which of the following is an example of a prokaryotic cell?
a.
amoeba
c.
bacterium
b.
virus
d.
liver cells
 

 2. 

The formation of ADP and inorganic phosphate from ATP and water is an example of which kind of reaction?
a.
condensation
c.
hydrolysis
b.
polymerization
d.
endergonic
 

 3. 

biology_files/i0040000.jpg
Which statement correctly identifies the types of respiration in the table above?
a.
Processes 1 and 2 are two different types of aerobic respiration.
c.
Process 1 is anaerobic respiration and Process 2 is aerobic respiration.
b.
Processes 1 and 2 are two different types of anaerobic respiration.
d.
Process 1 is aerobic respiration and Process 2 is anaerobic respiration.
 

 4. 

A light microscope that has an objective lens of 10x and an ocular lens of 20x has a magnification of
a.
30x
c.
300x
b.
200x
d.
2000x
 

 5. 

The packaging and distribution center of the cells is the
a.
nucleolus
c.
central vacule
b.
Golgi apparatus
d.
nuclear envelope
 

 6. 

All of the following are found in both plant and animal cells, except
a.
a cell wall
c.
mitochondria
b.
a cell membrane
d.
endoplasmic reticulum
 

 7. 

As a characteristic of all living things, homeostasis relates most directly to which of the following biological themes?
a.
interacting systems
c.
evoluation
b.
stability
d.
scale and structure
 

 8. 

Cells that line the human stomach contain hydrogen ion pumps in their cell membranes.  These pumps allow the cells to move hydrogen from areas of low concentration inside the cells to areas of higher concentration outside the cells.
Which equation best represents the reaction that makes the movement of  hydrogen ions possible?
a.
ATP-->ADP+P+energy
c.
O2+H20+energy-->ATP+CO2
b.
ATP+P+energy--->ADP
d.
ATP+CO2--->O2+H20+energy
 

 9. 

A particularly active cells might contain large numbers of
a.
Chromosomes
c.
mitochondria
b.
vacuiles
d.
walls
 

 10. 

Which of these is required during aerobic respiration?
a.
Boron
c.
Iodine
b.
Oxygen
d.
Nitrogen
 

 11. 

biology_files/i0120000.jpg
Which of the atoms is chemically stable?
a.
A
c.
C
b.
B
d.
NONE OF THE ABOVE
 

 12. 

Which of the following pairs contains unrelated items?
a.
eukaryote-amoeba
c.
cell wall-animal cell
b.
ribosomes-protein
d.
mitochondria-energy
 

 13. 

Scientists planted an equal number of plants in different soil conditions.  After 7 days, they counted the number of plants still alive.  The following data were biology_files/i0140000.jpg
a.
soil and temperature and soil moisture
c.
soil moisture and light exposure
b.
light exposure and soil temp
d.
soil moisture and soil composition
 

 14. 

In which of the following organelles is a cell’s ATP produced?
a.
mitochondrion
c.
Golgi apparatus
b.
endoplasmic reticulum
d.
lysosome
 

 15. 

biology_files/i0160000.jpg
Which cellular process is shown in the figure
a.
fertilization
c.
osmosis
b.
translation
d.
mitosis
 

 16. 

biology_files/i0170000.jpgWhen a pair of stoneflies reproduce, their offspring may vary in color and in a number of other traits.  Which of these processes contributes to variation among stonefly offspring?
a.
Meiosis
c.
aerobic respiration
b.
metamorphosis
d.
alternation of generations
 

 17. 


3.      Amino acids are monomers of
a.
disaccharides
c.
nucleotides
b.
protein
d.
steriods
 

 18. 

Proteins are made in cells on the
a.
mitochondria
c.
nucleus
b.
ribosomes
d.
cell membrane
 

 19. 

     
For a plant cell to make its own food, it must have
a.
chloroplast
c.
nucleoi
b.
mitochondria
d.
ribosomes
 

 20. 

A body cell of a pigeon has 80 chromosomes. If a pigeon lays an unfertilized egg, how many chromosomes will this egg have?
a.
20
c.
80
b.
40
d.
100
 

 21. 


A molecule that has a partial positive charge on one side and a partial negative charge on the other side is called
a.
nonpolar molecule
c.
charged molecule
b.
polar molecule
d.
bipolar molecule
 

 22. 

Enzymes
a.
are able to heat up molecules so that they can react.
c.
are biological catalysts.
b.
provide CO2 for chemical reactions.
d.
absorb excess heat so that reactions occur at low  temperatures.
 

 23. 

A structure within a cell that performs a specific function is call
a.
organelle
c.
tissue
b.
organ tissue
d.
biocenter
 

 24. 

biology_files/i0250000.jpg
The basic structure of an organic molecule is shown above. What type of molecule is this?
a.
lipid
c.
nucleic acid
b.
protein
d.
carbohydrate
 

 25. 

Which of these features would not be found in an animal cell
a.
nucleus
c.
cytoplasm
b.
chloroplast
d.
mitochodria
 

 26. 

The equation below shows how ATP is produced.
ADP + P + Energy ----->ATP
Which of these processes produces the most ATP?
a.
glycolysis
c.
lactic acid fermentation
b.
Krebs cycle
d.
electron transport chain
 

 27. 

The double membrane surrounding the nucleus is called the
a.
nucleolus
c.
nucleoplasm
b.
nuclear wall
d.
nuclear envelope
 

 28. 

biology_files/i0290000.jpg
Which of these describes the purpose of this cellular process?
a.
to combine two daughter cells
c.
to produce an identical copy of a cell
b.
to make a chain of identical amino acid
d.
to form daughter cells with half the number of chromosomes
 

 29. 

Long chains of amino acids are found in
a.
carbohydrates
c.
proteins
b.
lipids
d.
sugars
 

 30. 

Which of the following statements most accurately describes the difference between an ionic bond and a covalent bond?
a.
Atoms held together by ionic bonds separate when placed in water while atoms held together by covalent bonds do not separate in water.
c.
Electrons are exchanged between atoms held together by an ionic bond, but they are shared between atoms held together by a covalent bond.
b.
Ionic bonds hold together atoms of two different types, while covalent bonds hold together atoms of the same type.
d.
Ionic bonds form between atoms that carry opposite charges, while covalent bonds form between uncharged atoms.
 

 31. 

All organic compounds contain the element
a.
C
c.
Ca
b.
N
d.
Na
 

 32. 

Which of the following states of matter contain(s) particles that are tightly linked together in a definite shape?
a.
solid
c.
gas
b.
liquid
d.
solid and liquid
 

 33. 

When the volume of a cell increases, its surface area
a.
increases at the same rate
c.
increases at a faster rate
b.
remains the same
d.
increases at a slower rate
 

 34. 

Plant cells have large membrane-bound spaces in which water, waste products, and nutrients are stored.  These places are known as
a.
mitochondria
c.
Golgi apparatus
b.
chloroplast
d.
vacuoles
 

 35. 

In muscle cells, calcium ions are pumped through channels into the endoplasmic reticulum. These ions move from an area of low concentration to an area of high concentration. This is an example of
a.
osmosis
c.
active transport
b.
diffusion
d.
passive transport
 

 36. 

Only eukarotic cells have
a.
DNA
c.
ribosomes
b.
membrane-bound organelles
d.
cytoplasm
 

 37. 

biology_files/i0380000.jpg
These data support the hypothesis that a planarian moves away from -
a.
plants
c.
rock
b.
light
d.
food
 

 38. 

Most typically, the order in which the steps of the scientific method are applied is
a.
A.  observations, predictions, hypothesis, controlled testing, theory, verification.
c.
C.  observations, hypothesis, predictions, controlled testing, theory, verification.
b.
B.  predictions, observations, hypothesis, theory, controlled testing, verification
d.
D.  observations, hypothesis, predictions, controlled testing, verification, theory.
 

 39. 

The smallest units of life in all living things are
a.
cells
c.
cytoplasm
b.
mitochondria
d.
golgi apparatus
 

 40. 

A particularly active cell might contain large numbers
a.
chromosomes
c.
mitochondria
b.
vacuoles
d.
wall
 

 41. 

Nucleic acids include
a.
chlorophyll and retinal
c.
lipids and sugars
b.
DNA and RNA
d.
glucose and glycogen
 

 42. 

biology_files/i0430000.jpg
The diagram above shows the flow of oxygen and carbon dioxide in an ecosystem.
Carbon dioxide is used by
a.
animals during respiration
c.
plants during photosynthesis
b.
animals, plants, and fungi during respiration
d.
plants and fungi during photosynthesis
 

 43. 

The structure that regulates what enters and leaves the cell is called
a.
nucleus
c.
nuclear membrane
b.
cell wall
d.
cell membrane
 

 44. 

Food, water and cellular waste are stored primarily in the
a.
nucleus
c.
chloroplasts
b.
vacuole
d.
mitochondria
 

 45. 

biology_files/i0460000.jpg
Turgor is the internal cytoplasmic pressure that results from the amount of water absorbed by plant cells.  The picture shows a turgor pressure demonstration using stalks of celery in different salt solutions.  Which of these shows the celery stalks in order from the one with the most  turgor pressure to the one with the least turgor pressure?
a.
Q,T,S,R
c.
S,R,T,Q
b.
R,S,T,Q
d.
T,Q,R,S
 

 46. 

A particularly active cell might contain large numbers of
a.
chromosomes
c.
mitochondria
b.
vacules
d.
walss
 

 47. 

Water is important to life because it
a.
surronds all cells
c.
influences the shape of the membrane
b.
is found inside cells
d.
all of the above
 

 48. 

The bond formed when two atoms share a pair of electrons is called a
a.
hydrogen bond
c.
covalent bond
b.
nonpolar bond
d.
water bond
 

 49. 

Plants produce oxygen which is used by fungi, animals, and plants.  In what process do these organisms use oxygen?                 
a.
A.  mitosis
c.
C.  respiration
b.
B.  replication
d.
D.  photosynthesis
 

 50. 

Homeostasis is the regulation of body processes to maintain a relatively constant internal environment.  On hot days, dogs will pant at increased rates because they do not have sweat glands.  Dogs pant in order to
a.
decrease their interal temperature.
c.
maintain their internal salt balance.
b.
increase their internal temperature.
d.
maintain their internal water balance.
 

 51. 

When a molecule gains an electron and an accompanying hydrogen atom, it has been
a.
oxidized
c.
digested
b.
reduced
d.
inactivated
 

 52. 

biology_files/i0530000.jpg
Which figure shows the last stage of mitosis?
a.
1
c.
3
b.
2
d.
4
 

 53. 

Atoms are composed of
a.
protons with a positive charge
c.
electons with a negative charge
b.
neutrons with no charge
d.
All of the above
 

 54. 

Buffers
a.
are of relatively little importance in living things.
c.
are formed when a large number of hydronium ions are released in a solution.
b.
are formed when a large number of hydroxide ions are released in a solution.
d.
tend to prevent great fluctuations in pH.
 

 55. 

Because carbon has four eletrons in its outer energy level
a.
it can form bonds with carbon atoms only
c.
it can react with up to four other atoms to form covalent bonds
b.
these atoms are naturally chemically stable
d.
it cannot react with anything other than organic molecules
 

 56. 

The electrons of an atom
a.
are found in the nucleus along with the protons
c.
have a positive charge
b.
orbit the nucleus in various energy levels
d.
are attracted to the positive charge of neutrons
 

 57. 

Which cell part is correctly matched to its function?
a.
A.  chloroplast - controls cell division
c.
C.  cell membrane - contains genetic code
b.
B.  mitochondrion - releases energy
d.
     
      D.  ribosome - makes sugar
 

 58. 

The organelles associated with photosynthesis are the
a.
mitochondria
c.
Golgi apparatus
b.
chloroplast
d.
vacules
 

 59. 

A drug company tests a new blood pressure medication before getting FDA approval to market the drug to the public.  Pills containing no medication are given to 500 people in Group I, and pills containing the new medication are given to 500 people in Group II.  In this experiment, Group I serves as the
a.
control group
c.
dependent variable
b.
experimental group
d.
independent variable
 

 60. 

In a biology class, students were asked to use a microscope to distinguish between plant and animal cells.  A student noticed a difference between the vacuoles in plant and animal cells.  How do the vacuoles in plant cells differ from animal cell vacuoles?
a.
A.  Plant cell vacuoles are usually larger.
c.
C.  Plant cells rarely contain vacuoles.
b.
B.  Plant cell vacuoles are usually smaller.
d.
D.  Plant cells usually contain more vacuoles
 

 61. 

Polysaccharides are
a.
carbohydrates
c.
proteins
b.
lipids
d.
sugars
 

 62. 

Which organic molecule below is most closely related to nucleic acids
a.
animo acids
c.
nucleotides
b.
CH2 chains
d.
sugars
 

 63. 

The packaging and distribution center of the cell is the
a.
nucleus
c.
central vacuole
b.
Golgi apparatus
d.
nuclear envelope
 

 64. 

Which of these is the ultimate source of energy for most life on earth
a.
Plants
c.
bacteria
b.
sun
d.
ocean
 

 65. 

Which of these is required during aerobic respiration?
a.
Boron
c.
Iodine
b.
Oxygen
d.
Nitrogen
 

 66. 

Plants and animals exchange materials through the processes of photosynthesis and respiration.  Which of these statements is true about the way these two processes are related?
a.
The products of photosynthesis inhibit respiration.
c.
The reactants of photosynthesis are also the reactants of respiration.
b.
The products of photosynthesis are also the products of respiration.
d.
The products of photosynthesis are the reactants of respiration.
 

 67. 

Which of these processes results in oxygen production?
a.
osmosis
c.
evaporation
b.
respiration
d.
photosysthesis
 

 68. 

biology_files/i0690000.jpg
The plant cell above contains two nuclei and it about to complete it division into two separate cells. The arrow is pointing to a structure in the middle of the parent cell
a.
centriole
c.
chromosome
b.
cell plate
d.
cleavage furrow
 

 69. 

For a plant cell to make its own food, it must have
a.
chloroplasts
c.
nucleoli
b.
mitochondria
d.
ribosomes
 

 70. 

Which of these results is most likely to occur when a plant cell is placed in pure water?
a.
More water will enter the cell than leave the cell.
c.
Water will enter and leave the cell at the same rate.
b.
More water will leave the cell than enter the cell.
d.
Water will only enter the cell;  no water will leave the cell
 

 71. 


All organisms possess DNA.  DNA
a.
A.  creates energy for the cells
c.
C.  contains information for growth and development.
b.
B.  allows sensitivity to environmental stimuli.
d.

D.  captures energy from the sun.
 

 72. 

Only eukaryotic cells have
a.
DNA
c.
are made of DNA
b.
membrane bound organelles
d.
are thin coverings that surround cells.
 

 73. 

The organelles in plant cells that contain a green pigment are the
a.
mitochondria
c.
cholorplast
b.
bilayer lipids
d.
Golgi Apparatus
 

 74. 

biology_files/i0750000.jpg
a.
45 mm
c.
52 mm
b.
49 mm
d.
57 mm
 

 75. 

      biology_files/i0760000.jpg
The graph shows the results of adding substrate to a solution that contains 10 grams of enzyme.  At which point are all of the enzyme molecules working at their maximum rate?
a.
Q
c.
S
b.
R
d.
T
 

 76. 

biology_files/i0770000.jpg
What is the correct order of the stages of mitosis shown above?
a.
1-4-3-2
c.
4-1-2-3
b.
2-4-1-3
d.
4-2-1-3
 

 77. 

Animals store glucose containing fragments in the form of
a.
cellulose
c.
wax
b.
glycogen
d.
lipids
 

 78. 

Cell membranes
a.
are only found on a small number of cells
c.
are made of DNA
b.
contain genes
d.
are thin coverings that surround cells
 

 79. 

Which organelle makes food?
a.
the chloroplast
c.
the vacuole
b.
the ribosomes
d.
the nucleus
 

 80. 

Nonpolar molecules have
a.
no negative or positve poles
c.
only a negative pole
b.
both negative and positive poles
d.
only a positive pole
 

 81. 

The electrons of an atom
a.
are found in the nucleus along with the protons
c.
have a positive charge
b.
orbit the nucleus in various energy levels
d.
are attracted to the positive charge of neutrons.
 

 82. 

Cell membranes
a.
are only found on a small number of cells
c.
are made of DNA
b.
contain genes
d.
are thin coverings that surround cells
 

 83. 

Which organic molecule below is most closely related to nucleic acids?
a.
amino acids
c.
nucleotides
b.
CH2 chains
d.
sugars
 

 84. 

When a student added iodine to an unknown solution, the solution turned a dark color.  This color change indicated that the solution contained
      A.  lipids      C.  DNA
      B.  proteins      D.  starch

a.
lipis
c.
DNA
b.
proteins
d.
Starch
 

 85. 

Which of these organelles contains the largest amount of DNA?
a.
Golgi vesicle
c.
vacuole
b.
nucleus
d.
ribosome
 



 
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