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Organisms
Test Description: Single-celled and Multicellular Organisms
Instructions: Answer all questions to get your test result.
1) Which organism is best classified as a single-celled organism?
A
bacteria
B
pine needle
C
kangaroo
D
grasshopper
2) Which is an example of a single-celled organism?
A
fish
B
tree
C
human
D
fungi
3) Which best describes the main job of most cells in a multicellular organism?
A
Cells work to release needed materials.
B
Cells work to keep themselves alive.
C
Cells work together to keep the organism alive.
D
Cells work to store unneeded materials.
4) How are rabbits different from bacteria?
A
Rabbits need only a single cell to complete all functions of life and bacteria need no cells to survive.
B
Rabbits need multiple cells to complete all functions of life and bacteria need no cells.
C
Rabbits need only a single cell to complete all functions of life and bacteria need multiple cells to survive.
D
Rabbits need multiple cells to complete all functions of life and bacteria need only a single cell.
5) In what way are humans and bacteria alike?
A
They are both single-celled organisms.
B
They are both non-living organisms.
C
They are both living organisms.
D
They are both multicellular organisms.
6) Which organism can perform all functions of life within one cell?
A
butterfly
B
amoeba
C
mushroom
D
grass
7) Which best explains why an amoeba can survive without specialized cells?
A
They are not able to survive because they don't have specialized cells.
B
They are able to survive because they can carry out all functions of life within a single cell.
C
They are able to survive with the help of specialized cells.
D
They are able to survive with the help of other organisms.
8) Why do humans require many different types of cells to survive?
A
Human cells are identical and work independently to perform different functions.
B
Human cells are specialized and work together to perform the same function.
C
Human cells are specialized and work independently to perform different functions.
D
Human cells are identical and work together to perform the same function.
9) Which best explains why animals need many cells?
A
to produce their own food
B
to perform all the functions necessary for life
C
to remove waste materials
D
to take in carbon dioxide and release oxygen
10) Which statement describes the cellular make-up of a deer?
A
Deer are made of many cells that are specialized to carry out different life processes
B
Deer are made of one cell that carries out all different life processes
C
Deer are made of one cell that carries out one life process
D
Deer are not living organisms so they do not need cells.
11) Which is a characteristic of bacteria?
A
found only in one particular environment
B
large in size
C
able to survive as a single cell
D
made up of many different cells working together
12) Which best describes how single-celled and multicellular organisms are similar?
A
Both require direct sunlight to survive.
B
Both rely on many other cells to survive.
C
Both require fresh water to survive.
D
Both require energy to survive.
*select an answer for all questions
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