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UNIT 4 Review (1)

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.
Short hair like appendages used by microorganisms for motion are called ______________.
a)
cilia
b)
falgella
c)
pseudopods
d)
eye spots
2.
 An organelle of the protist Euglena that it uses to detect light and produce food is called___________________.
a)
flagella
b)
cilia
c)
pseudopod
d)
eyespot
3.
 A paramecium is an example of
a)
a single-celled organism
b)
multiple organisms.
c)
an inorganic substance
d)
a group of cells.
4.
Two different organisms are shown. 
What is the primary way the amoeba is different from the sunflower?
a)
The amoeba is made of one cell.
b)
The amoeba has limited respiration.
c)
The amoeba can produce its own food.
d)
The amoeba has organs that work together to form systems.
5.
The illustrations below are of a euglena, a paramecium, and an amoeba.  
 How do these organisms compare?  
a)
They use different structures for movement
b)
They use different structures to control cell activity.
c)
They all make their own food by photosynthesis
d)
They all have eyespots to sense sunlight
6.
What is the main function of the cell wall in a plant cell?
a)
to protect against disease
b)
to give structural support
c)
to contain the parts of the cell
d)
to help with cell division
7.
Which function makes a plant cell different from an animal cell?
a)
ability to convert sunlight into energy
b)
ability to divide into two cells
c)
ability to absorb nutrients
d)
ability to use energy
8.
The basic units of structure and function for both plants and animals are
a)
cells
b)
systems
c)
organs
d)
tissues
9.
An athlete is running a race. The athlete’s body needs energy. Which organelle(s) in the athlete’s cells supply the energy for cellular functions?
a)
Nucleus
b)
golgi apparatus
c)
mitochondrion
d)
ribosome
10.
Which of the following allows materials to enter and leave a cell?
a)
cell wall
b)
vacuole
c)
cell membrane
d)
mitochondria
11.
Which of these could only be found inside a plant cell?
a)
nucleus
b)
mitochondria
c)
cytoplasm
d)
chloroplasts
12.
In which organism can cell walls be found?
a)
hawk
b)
moth
c)
snake
d)
grass
13.
Which organelle directs all activities of the cell?
a)
directoria
b)
nucleus
c)
brain
d)
chloroplast
14.
Which best summarizes organ systems?
a)
a group of organs working together to perform a certain job
b)
group of tissues working together to perform a certain job
c)
a group of organelles working together to perform a certain job
d)
a group of cells working together to perform a certain job
15.
Which is a basic structure found in all living organisms?
a)
heart
b)
element
c)
organ
d)
cell
16.
The table below shows the level of structural organization in some living organisms.

At what level would a human heart be classified in the structural organization chart?
a)
2
b)
4
c)
3
d)
1
17.
 Organisms that are classified as multicellular must have
a)
only one cell.
b)
more than one cell
c)
large cells.
d)
identical cells
18.
Similar types of cells form tissues. What is the next level of complexity formed from the grouping of tissues?
a)
organelles
b)
organ systems
c)
organs
d)
organisms
19.
The diagrams identify major parts of two different human systems.


Which statement best describes how the two systems are similar?
a)
Both systems contain specialized cells and tissues.
b)
Both systems provide structure to the body.
c)
Both systems assume the functions of other failing body parts
d)
Both systems establish homeostasis and communication.
20.
How do the respiratory and circulatory systems work together?
a)
The respiratory system takes in oxygen, while the circulatory system delivers oxygen to the cells
b)
The circulatory system takes in carbon dioxide, while the respiratory system delivers carbon dioxide to     the cells
c)
The circulatory system takes in oxygen, while the respiratory system delivers oxygen to the cells.
d)
The respiratory system takes in carbon dioxide, while the circulatory system delivers carbon dioxide to     the cells.
21.
What is the primary function of skin cells?
a)
to deliver messages to the brain
b)
to generate movement of muscles
c)
to provide a physical barrier to the body
d)
to produce carbohydrates for energy
22.
A student sees a bird at a feeder. The student identifies the bird as a sparrow. Which organ system did the student use to identify the bird?
a)
circulatory
b)
skeletal
c)
muscular
d)
nervous
23.
The esophagus, stomach, and small intestine are parts of which body system?
a)
muscular
b)
respiratory
c)
digestive
d)
nervous
24.
Which has the greatest affect on aiding the movement of blood through the human body?
a)
density
b)
gravity
c)
friction
d)
tension
25.
One system of the human body works along with the skeletal system by assisting movement and maintaining posture. Which system is being described?
a)
muscular
b)
respiratory
c)
digestive
d)
circulatory
26.
The human body is made up of several systems. The mouth, esophagus, and stomach are all parts of which system?
a)
muscular
b)
digestive
c)
circulatory
d)
skeletal
27.
How does the skin help the body maintain homeostasis?
a)
The skin transports oxygen.
b)
The skin sends messages to the brain.
c)
The skin digests viruses.
d)
The skin stabilizes temperature.
28.
 In which of the following organs is an acid produced?
a)
esophagus
b)
large intestine
c)
small intestine
d)
stomach
29.
What is the primary job of red blood cells?
a)
transport oxygen
b)
ight disease
c)
allow reproduction
d)
remove waste
30.
An athlete is running a race. The athlete’s body needs energy. Which organelle(s) in the athlete’s cells supply the energy for cellular functions?
a)
golgi apparatus
b)
mitochondrion
c)
ribosome
d)
Nucleus
31.
The digestive and circulatory systems work together in which of the following ways?
a)
digestive send electrical messages while circulatory responds to the messages
b)
digestive system removes wastes and toxins while the circulatory system reeves solid wastes
c)
digestive system provides structure for the body while the circulatory directs movement
d)
digestive system, extracts nutrients from food while the circulatory system transports those nutrients
32.
The functions of this system are to receive and carry messages that control the body and all of its parts
a)
reproductive
b)
nervous
c)
endocrine
d)
respiratory
33.
The cell theory says that cells are the basic unit of life and that all cells come from other 
a)
jobs
b)
onions
c)
theorys
d)
cells
34.
A temporary projection of the cytoplasm of some unicellular organisms that aid in movement are called _____________.
a)
falgella
b)
eyespot
c)
pseudopod
d)
cilia
35.
The cell membrane is unable to work properly. How could this affect plant and animal cells?
a)
It could affect their ability to make proteins.
b)
It could affect their ability to store water.
c)
It could affect their ability to absorb sunlight.
d)
It could affect their ability to remove waste.
36.
A whip like structure or unicellular organisms that aids with movement is called _____________________.
a)
eyespot
b)
flagella
c)
pseudopod
d)
cilia
37.
 Which best summarizes organ systems?
a)
a group of organelles working together to perform a certain job
b)
a group of tissues working together to perform a certain job
c)
a group of cells working together to perform a certain job
d)
a group of organs working together to perform a certain job
38.
Which of these is an organism that is unicellular?
a)
amoeba
b)
leaf
c)
mushroom
d)
ant
39.
A diagram of a plant cell is shown.

 A leak in a structure of a plant cell resulted in waste materials moving into the cytoplasm of the cell. Which structure most likely had the leak?
a)
3
b)
2
c)
1
d)
4
40.
Some different types of plants have characteristics in common. Which characteristic do most plants share?
a)
the shape of their leaves
b)
the color of their flowers
c)
the structure of their cells
d)
the size of their roots