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Final Science Exam

Essay
 

 1. 

In your oppinion, what was your favorite? Write your favorite thing for each category.

1) Classroom Experiment–

2) Field Trip–

3) Science Project—

4) Dissection
 

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

 2. 

What is diffusion?
a.
The scattering of light
c.
The movment of particles from a high concentration to a low concentration
b.
The process by which material travels through the cell wall
d.
To put out a flame
 

 3. 

The process by which an organism’s internal environment is kept stable in spite of changes in the external environment is called
a.
respiration.
b.
healing.
c.
homeostasis.
d.
digestion.
 

 4. 

What are the four types of tissue that the human body is made of?
a.
none of the above
c.
organ tissue, muscel tissue, cardiac tissue, connective tissue
b.
nervous tissue, heart tissue, organ tissue, brain tissue
d.
epithelial tissue, nervous tissue, muscel tissue, connective tissue
 

 5. 

The semi-clear oval shaped part of the eye that light passes through is called the______.
a.
rods
c.
lens
b.
photoreceptors
d.
iris
 

 6. 

What is osmosis?
a.
A process of absorbing new information
c.
When water passes through the cell membrane
b.
The name of Mr. Howe’s pet snake
d.
The process of cell division
 

 7. 

Which term refers to physical characteristics that are studied in genetics?
a.
traits
b.
offspring
c.
hybrids
d.
generations
 

 8. 

What is the difference between Alleles and Genes?
a.
Genes you wear and Alleles have to do with heredity
c.
Genes are the building blocks of cells while Alleles have to do with eye color
b.
Genes are the dominant trait and Alleles the recessive trait
d.
Genes are the instructions that combine to make Alleles
 

 9. 

The achievement of lifting a rocket off the ground and into space can be explained by
a.
the law of conservation of momentum.
b.
Newton’s third law.
c.
Newton’s first law.
d.
Newton’s second law.
 

 10. 

What type of animal carries their young in a pouch?
a.
Marsupials
c.
Placental Mammals
b.
Carnivors
d.
Invertebrates
 

 11. 

Which of the following is NOT found in animal cells?
a.
Vesicle
c.
Cell Membrane
b.
Cell Wall
d.
Lysosomes
 

 12. 

What does the backbone surround and protect in a vertebrate?
a.
the spinal cord
b.
the gill slits
c.
vertebrae
d.
the heart and lungs
 

 13. 

Which part of the nervous system controls all functions of the body?
a.
spinal chord
c.
heart
b.
brain
d.
neurons and axons
 

 14. 

Which type of muscel is found in the heart?
a.
tendon
c.
cardiac muscel
b.
connective tissue
d.
smooth muscel
 

 15. 

What is the purpose of the Swim Bladder on a fish
a.
a balloon like organ filled with gases to help the fish float
c.
to help the fish swim fast
b.
to hold urin
d.
to hold food
 

 16. 

Electromagnetic waves can transfer energy without a(n)
a.
electric field.
b.
change in either a magnetic or an electric field.
c.
medium.
d.
magnetic field.
 

 17. 

Oxygen rich blood leaves the heart to the body from which chamber?
a.
Left Vantricle
c.
Right Ventricle
b.
Left Atrium
d.
Right Atrium
 

 18. 

Which of the following best describes the function of mitochondria?
a.
They produce nucleic acids that release energy.
b.
They convert energy from food molecules into energy the cell can use.
c.
They store energy from food molecules.
d.
They store energy from sunlight.
 

 19. 

When climbing a high mountain, you get out of breath easily because
a.
the air is more dense.
b.
air pressure is greater.
c.
there is less oxygen in each cubic meter of air.
d.
the percentage of oxygen in the air decreases.
 

 20. 

What is a vertebrate animal?
a.
animal without a backbone
c.
animal that gives birth
b.
animal with a backbone
d.
animal that has a pouch
 

 21. 

If a bicyclist travels 30 kilometers in two hours, her average speed is
a.
2 km/h.
b.
15 km/h.
c.
30 km/h.
d.
60 km/h.
 

 22. 

What part of a neuron carries nerve impulses away from the cell body?
a.
dendrite
b.
synapse
c.
nucleus
d.
axon
 

 23. 

What is Meiosis?
a.
The process of making new cells with exactly half the number of usual chromosomes. This is when the sex cells are made.
c.
One of the steps during Mitosis
b.
The process of copying the chromosomes of a cell to make a new copy of that cell
d.
A form of food
 

 24. 

Which of the following is made up of cells that can contract and relax?
a.
connective tissue
c.
nervous tissue
b.
muscel tissue
d.
skeletal tissue
 

 25. 

Which of the following is NOT a function of the skeleton?
a.
obtaining oxygen
b.
producing blood cells
c.
providing shape and support for the body
d.
protecting internal organs
 

 26. 

An organism’s physical appearance is its
a.
phenotype.
b.
genotype.
c.
heterozygous.
d.
codominance.
 

 27. 

Messages are carried back and forth between the brain and other parts of the body by
a.
digestive tissue.
b.
the circulatory system.
c.
respiratory tissue.
d.
nervous tissue.
 

 28. 

What does the vertebrate protect?
a.
Nothing. It just helps th body stay upright
c.
the brain
b.
spinal chord
d.
internal organs
 

 29. 

When sex cells combine to produce offspring, each sex cell will contribute
a.
one fourth the number of chromosomes in body cells.
b.
twice the number of chromosomes in body cells.
c.
the normal number of chromosomes in body cells.
d.
half the number of chromosomes in body cells.
 

 30. 

Any form of water that falls from clouds is called
a.
evaporation.
b.
precipitation.
c.
dew.
d.
condensation.
 

 31. 

What is Mitosis?
a.
A special type of food
c.
The process of copying the chromosomes of a cell to make a new copy of that cell
b.
One of the steps during Meiosis
d.
The process of making new cells with exactly half he number of usual chromosomes. This is when sex cells are made.
 

 32. 

If a person’s blood lacked platelets, what process could not take place?
a.
carrying oxygen to cells
b.
transfusing of blood
c.
carrying glucose to cells
d.
clotting of blood
 

 33. 

The thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system is the
a.
spinal cord.
b.
brain.
c.
cornea.
d.
cerebellum.
 

 34. 

Why does Mr. How resemble popeye, with big arms and little chicken legs?
a.
because of a deformation at birth
c.
All of the above (This is the correct answer!)
b.
because his body was pieced together like frankenstein
d.
because he has DNA of both a human and chicken
 

 35. 

Which of the following is an example of an organelles?
a.
Vacuole
c.
Mitochondria
b.
Ribosomes
d.
All the above
 

 36. 

The nucleus of a cell does what?
a.
Helps in osmosis
c.
Directs the cells activities and reproduction
b.
Sends materials throughout the cell
d.
Produces energy
 

 37. 

Unlike kinetic energy, potential energy is
a.
conserved.
b.
energy of motion.
c.
stored.
d.
not measurable.
 

 38. 

The variable that is expected to change because of another variable is known as the
a.
manipulated variable.
b.
responding variable.
c.
independent variable.
d.
controlled variable.
 

 39. 

Which part of the brain is responsible for memory and thinking?
a.
cerebrum
c.
cerebellum
b.
all the above
d.
medulla
 

 40. 

As you rise upwards in the atmosphere, air pressure
a.
increases.
b.
doesn’t change.
c.
decreases.
d.
first increases, then decreases.
 

 41. 

When the temperature of the environment changes, the body temperature of a reptile
a.
always decreases.
b.
changes.
c.
stays the same.
d.
always increases.
 

 42. 

Which type of muscle is found only in the heart?
a.
soft muscle
b.
voluntary muscle
c.
smooth muscle
d.
cardiac muscle
 

 43. 

The bones that form the backbone are called
a.
vertebrae.
b.
carpals.
c.
tibia.
d.
metatarsals.
 

 44. 

Heat from the sun reaches you by
a.
light emission.
b.
radiation.
c.
conduction.
d.
convection.
 

 45. 

An object that is more dense than the fluid in which it is immersed will
a.
sink at first, than rise slowly.
b.
rise.
c.
neither rise nor sink.
d.
sink.
 

 46. 

Which waves have some electrical properties and some magnetic properties?
a.
mechanical waves
b.
longitudinal waves
c.
electromagnetic waves
d.
transverse waves
 

 47. 

The greater the mass of an object,
a.
the more balanced it is.
b.
the greater its inertia.
c.
the more space it takes up.
d.
the easier the object starts moving.
 

 48. 

Which part of the brain allows the brain to track the body’s position and receives sensory impulses?
a.
medulla
c.
brain stem
b.
cerebrum
d.
cerebellum
 

 49. 

Air pressure decreases as
a.
velocity increases.
b.
acceleration decreases.
c.
elevation increases.
d.
gravity increases.
 

 50. 

The brain and spinal cord make up the
a.
somatic nervous system.
b.
central nervous system.
c.
autonomic nervous system.
d.
peripheral nervous system.
 

 51. 

Mechanical waves are created when a source of energy causes a medium to
a.
move.
b.
expand.
c.
compress.
d.
vibrate.
 

 52. 

An animal that has a backbone is called a(n)
a.
predator.
b.
vertebrate.
c.
cnidarian.
d.
invertebrate.
 

 53. 

When blood flows into the right atrium from the body, it contains
a.
a lot of both oxygen and carbon dioxide.
b.
little oxygen and a lot of carbon dioxide.
c.
a lot of oxygen and little carbon dioxide.
d.
little of either oxygen or carbon dioxide.
 

 54. 

A funnel-shaped cloud that touches Earth’s surface is called a
a.
thunderhead.
b.
tornado.
c.
hurricane.
d.
cyclone.
 

 55. 

How many chambers are in the heart?
a.
1
c.
4
b.
none
d.
2
 

 56. 

Fishes take in oxygen through their
a.
fins.
b.
gills.
c.
vertebrae.
d.
scales.
 

 57. 

In the eye, light is detected by cells at the back of the eye in a layer called ___________.
a.
The Optic Nerve
c.
The Retina
b.
The lens
d.
The Cones
 

 58. 

Two conditions are required for cloud formation: cooling of the air and
a.
the absorption of infrared energy.
b.
the presence of particles in the air.
c.
the unequal heating of Earth’s surface.
d.
the influence of the Coriolis effect.
 

 59. 

What is the function of a cell membrane?
a.
to perform different functions in each cell
b.
to form a hard outer covering for the cell
c.
to support the cell
d.
to control what enters and leaves the cell
 

 60. 

What is the purpose of the skeletal system?
a.
To protect your inernal organs
c.
All the above
b.
To provide something for your musccels to attach to
d.
To provide support
 

 61. 

What does symetrical refer to?
a.
All the above
c.
a body without similar halves
b.
the difference between Mr. Howe’s arms and legs
d.
a body with two similar halves
 

 62. 

What is the difference between genotype and phenotype?
a.
Genotype is the inherited combination of alleles and phenotype the inherited physical appearance
c.
Phenotype is the inherited combination of alleles and Genotype the inherited physical appearance
b.
No idea
d.
A type of pants and ahirt
 

 63. 

In a well-designed experiment, the one variable that is purposely changed is known as the
a.
independent variable.
b.
controlled variable.
c.
responding variable.
d.
manipulated variable.
 

 64. 

Potential energy that depends on height is called
a.
mechanical energy.
b.
kinetic energy.
c.
gravitational potential energy.
d.
elastic potential energy.
 

 65. 

The three regions that make up the brain include the cerebrum, cerebellum, and
a.
spinal cord.
b.
brain stem.
c.
retina.
d.
senses.
 

 66. 

The atmosphere is
a.
the layer of water in the oceans.
b.
the layer that contains the ozone layer.
c.
the layer in which weather occurs.
d.
the layer of gases that surrounds Earth.
 

 67. 

Exercise is important for muscles because it
a.
helps maintain strength and flexibility.
b.
gives muscles more energy.
c.
prevents muscle injuries.
d.
prevents muscles from becoming tired.
 

 68. 

What does the notation AA mean to geneticists?
a.
heterozygous alleles
b.
at least one dominant allele
c.
one dominant and one recessive allele
d.
two dominant alleles
 

 69. 

Which chamber of the heart pumps oxygen-poor blood to the lungs?
a.
left ventricle
b.
right atrium
c.
left atrium
d.
right ventricle
 

 70. 

Which term refers to the diffusion of water molecules through a selectively permeable membrane?
a.
engulfing
b.
passive transport
c.
osmosis
d.
active transport
 

 71. 

Which of the following describes Mitochondria?
a.
Where photosynthesis occurs
c.
cell organelles that break down food molecules to make energy
b.
Transports materials out of the cell
d.
Orgenelles where proteins are made
 

 72. 

Cells that transfer messages throughout the body in the form of electrical impulses are what?
a.
neurons
c.
axons
b.
dendrites
d.
impulses
 

 73. 

Factors that control traits are called
a.
parents.
b.
genes.
c.
purebreds.
d.
recessives.
 

 74. 

Information is transfered to other cells by a long fiber called what?
a.
neurons
c.
impulse
b.
axons
d.
dendrite
 

 75. 

What structure directs the activities of a cell?
a.
nucleus
b.
cytoplasm
c.
cell membrane
d.
cartilage
 

 76. 

A balanced arrangement of parts is called
a.
asymmetry.
b.
symmetry.
c.
bilaterality.
d.
radiality.
 

 77. 

What does the notation Aa mean to geneticists?
a.
one dominant allele and one recessive allele
b.
two recessive alleles
c.
homozygous alleles
d.
two dominant alleles
 

 78. 

Which part of the brain regulates blood pressure?
a.
cerebral hemisphere
c.
spinal chord
b.
cerebellul
d.
medulla
 

 79. 

Which activity does your cerebrum control?
a.
remembering equations that you learn in class while taking a math test
b.
keeping your balance as you walk across a rocky seashore
c.
an increase in heart rate after running a race
d.
breathing as you sleep
 

 80. 

The amount of matter in an object is called its
a.
force.
b.
mass.
c.
inertia.
d.
balance.
 

 81. 

The part of your brain that connects to the spinal chord is...
a.
cerebrum
c.
mid-brain
b.
medulla
d.
cerebellum
 

 82. 

Convection takes place because
a.
warm and cold air have the same density.
b.
cold air is less dense than warm air.
c.
cold air is more dense than warm air.
d.
warm air is more dense than humid air.
 

 83. 

Oxygen rich blood enters the heart from the lungs into what chamber?
a.
Right Ventricle
c.
Right Atrium
b.
Left Ventricle
d.
Left Atrium
 

 84. 

One example of a chemical change is
a.
filtering.
b.
burning wood.
c.
boiling water.
d.
crushing a can.
 

 85. 

One example of a physical change is
a.
baking cookies.
b.
dissolving salt in water.
c.
burning paper.
d.
heating table sugar.
 

 86. 

What is the function of a cell wall?
a.
to prevent oxygen from entering the cell
b.
to perform different functions in each cell
c.
to prevent water from passing through it
d.
to protect and support the cell
 

 87. 

How does exercise help maintain healthy bones?
a.
by decreasing the need for calcium in the bones
b.
by decreasing the need for phosphorus in the bones
c.
by making bones grow stronger and denser
d.
by making bones produce stronger outer membranes
 

 88. 

The organ system that provides support and protection for the body parts is the...
a.
endocrine system
c.
skeletal system
b.
circulatory system
d.
integumentary system
 

 89. 

A disturbance that transfers energy from place to place is called a
a.
vibration.
b.
compression.
c.
medium.
d.
wave.
 

 90. 

The colorful part of the eye is called the_____________.
a.
rods
c.
retina
b.
iris
d.
pupil
 

 91. 

What is an Invertebrate animal?
a.
animal with a tail
c.
animal without a backbone
b.
animal with a backbone
d.
none of the above
 

 92. 

The energy associated with motion is called
a.
nuclear energy.
b.
elastic potential energy.
c.
gravitational potential energy.
d.
kinetic energy.
 

 93. 

Which organ system makes blood cells?
a.
nervous system
b.
circulatory system
c.
skeletal system
d.
digestive system
 

 94. 

What happens during meiosis?
a.
Chromosome pairs remain together when new sex cells are formed.
b.
Two sex cells combine.
c.
Each sex cell copies itself to form four new chromosomes.
d.
Chromosome pairs separate and are distributed into new sex cells.
 

 95. 

The different forms of a gene are called
a.
alleles.
b.
traits.
c.
masks.
d.
factors.
 

 96. 

Bernoulli’s principle helps to explain
a.
momentum.
b.
flight.
c.
hydraulic brakes.
d.
buoyancy.
 

 97. 

Which organelle is the control center of a cell?
a.
nucleus
b.
chloroplast
c.
mitochondrion
d.
ribosome
 

 98. 

Which atrium receives oxygen-poor blood from the body?
a.
Left Ventricle
c.
Left Atrium
b.
Right Atrium
d.
Right Vantricle
 

 99. 

The air pressure acting on the roof of your house
a.
is much greater on top of the roof than below it.
b.
comes from all the air above your roof.
c.
is much greater underneath your roof than on top of it.
d.
comes from the air within a few feet of your rooftop.
 

 100. 

Blood enters the heart from the body into what part?
a.
Right Ventricle
c.
Right Atrium
b.
Left Atrium
d.
Left Ventricle
 

 101. 

What is transferred by electromagnetic waves?
a.
electromagnetic radiation
b.
sound
c.
electricity
d.
resonance
 

 102. 

A heart attack affects heart cells by
a.
destroying white blood cells.
b.
preventing the ventricles from contracting.
c.
cutting off blood flow and oxygen and causing cells to die.
d.
creating a buildup of fatty substances such as cholesterol within cells.
 



 
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