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Cells: The Basic Units Of Life
Test Description: 7th grade-use this to study for test!!!
Instructions: Answer all questions to get your test result.
1) Scientist Matthais Schleiden contributed to the cell theory by concluding that
A
all animal tissues were made of cells.
B
all plant parts were made of cells.
C
the cell of plants and animals were the same.
D
the cells of plants were different from those of animals.
2) Most cells are a very small size because
A
their surface area-to-volume ratio is too small.
B
their volume is limited by how large their surface area is.
C
their volume does not increase.
D
they don't have hard shells like eggs.
3) What cell part supports the cell and might be made of cellulose orchitin?
A
cell wall
B
cell membrane
C
ribosomes
D
nucleus
4) Energy released by a cell's mitochondrion is stored in
A
the ER.
B
DNA.
C
ATP.
D
RNA.
5) A cell's nucleus contains DNA, which carries genetic material with
A
the endoplasmic reticulum.
B
instructions for how to make protein.
C
the cytoskeleton.
D
ribosomes.
6) What cell parts carry materials between organelles such as the ER and the Golgi complex?
A
lysosomes
B
ribosomes
C
vesicles
D
vacuoles
7) Which part of the cell acts as the cell's delivery system?
A
mitochondria
B
nucleus
C
cell wall
D
endoplasmic reticulum
8) What part of the cell forms a barrier between the cell and its environment?
A
ribosome
B
cell membrane
C
nucleus
D
cholesterol
9) Prokaryotes that include such types as heat-loving, salt-loving, and methane-making.
A
bacteria
B
fungi
C
archaea
D
eukaryotes
10) An organelle that contains the cells DNA is the
A
lysosomes
B
ribosome
C
nucleus
D
cytoplasm
11) Leeuwenhoek called the single-celled organisms that he found in pond scum animalcules. Today we know them as
A
fungi
B
animals
C
plant life
D
protists
12) The function of a part of an organism is related to
A
the structure of that part.
B
its arragement of cells.
C
the shape of its parts.
D
its appearance under a microscope.
13) Larger size, longer life, and specialization are three advantages to being
A
prokaryote.
B
multicellular.
C
eukaryote.
D
unicellular
14) Which of the following statements is not part of the cell theory?
A
animals and plants share the same kinds of cells
B
all organisms are made up of one or more cells
C
the cell is the basic unit of all living things
D
all cells come from existing cells
15) What part of the cell keeps the cell membrane from collapsing?
A
cytoskeleton
B
cell wall
C
cytoplasm
D
nucleus
16) Ribosomes, the organelles that make proteins, are found on the membranes of the
A
mitochondria
B
vacuoles
C
cell wall
D
ER
17) Which of the following is true of each of the four levels of organization of living things?
A
Each is more specialized than the level below it.
B
Each performs the same functions as the level below it.
C
Each contains larger cells that the level below it.
D
Each is more complex than the level below it.
*select an answer for all questions
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