Worksheets7th Grade - Chapter 02 - 5th edition
Total questions: 34
Worksheet time: 17mins
Name
Class
Date
1.
According to cell theory,
a)
only animals are made of cells
b)
only plants are made of cells
c)
plants and animals are made of cells, but bacteria are not
d)
all living things are made of cells
2.
Which statement would require cell theory to be revised?
a)
A chloroplast was discovered inside a unicellular alga
b)
A eukaryotic cell was observed digesting food
c)
Heart muscle cells were developed from cells found in another tissue
d)
A noncellular living organism was discovered in jungle soil
3.
All prokaryotes
a)
are unicellular
b)
have a nucleus
c)
have tissues
d)
have been engulfed by other cells
4.
Which of the following are found in both prokaryotic and eukaryotic cells?
a)
a cell membrane
b)
mitochondria
c)
a nucleus
d)
organelles
5.
Which small structures, found in both eukaryotes and prokaryotes, assemble
a)
mitochondria
b)
lysosomes
c)
ribosomes
d)
vesicles
6.
Which organelle is often called the powerhouse of the cell?
a)
a Golgi apparatus
b)
a lysosome
c)
a mitochondrion
d)
a nucleus
7.
A cell membrane is selectively permeable, meaning that
a)
a cell membrane is found on some cells but not on others
b)
some substances can pass through but not others
c)
sometimes a concentration gradient is formed and sometimes not
d)
sometimes it produces ATP and sometimes it produces ADP
8.
When a cell is placed in a salt solution, water leaves the cell and enters the solution. What explains this?
a)
active transport
b)
cellular respiration
c)
osmosis
d)
vesicle formation
9.
What does an evolutionist believe came first?
a)
eukaryotic cells
b)
prokaryotic cells
c)
mitochondria
d)
All evolved at about the same time
10.
Photosynthesis uses energy from the sun to turn carbon dioxide and water into
a)
ATP
b)
chlorophyll
c)
glucose
d)
lactic acid
11.
Which of the following is a description of cellular respiration?
a)
the ability of some molecules, but not others, to pass into the cell
b)
the breaking down of molecules to produce ATP
c)
the harnessing of the sun’s energy to form glucose
d)
the production of oxygen by a cell
12.
In order for energy to be usable within a cell, the energy must be
a)
released from a glucose molecule all at once
b)
released as carbon dioxide
c)
taken from chlorophyll and stored in ADP
d)
taken from glucose and stored in ATP
13.
Cells without access to oxygen can still produce ATP using
a)
aerobic respiration
b)
the Calvin cycle
c)
fermentation
d)
photosynthesis
14.
When yeast breaks down sugar, alcohol and ___ are given off as waste products, causing the bread to rise
a)
carbon dioxide
b)
lactic acid
c)
oxygen
d)
water
15.
Cell theory is considered a scientific model because it will never be changed or replaced
a)
true
b)
false
16.
Osmosis and diffusion are both forms of passive transport—they happen without the cell doing any work.
a)
true
b)
false
17.
Evolutionists believe that the more complex eukaryotic cells evolved into the simpler prokaryotic cells.
a)
true
b)
false
18.
Chlorophyll is a green pigment that absorbs energy from sunlight for photosynthesis
a)
true
b)
false
19.
During cellular respiration, most of the ATP is produced in the cytoplasm
a)
true
b)
false
20.
Glycolysis and fermentation are aerobic processes—they require the presence of oxygen
a)
true
b)
false
21.
Although only plants undergo photosynthesis, both plants and animals perform celular repsiration
a)
true
b)
false
22.
Photosynthesis and cellular respiration are both evidences that God provides for His creatures.
a)
true
b)
false
23.
This structure surrounds all cells and regulates what comes in and what goes out
a)
cytoplasm
b)
cell membrane
c)
cell wall
d)
chromosomes
24.
This slimy layer surrounds and protects some bacteria from harm
a)
capsule
b)
cell membrane
c)
cell wall
d)
chromosomes
25.
This is a whip-like propeller
a)
cell membrane
b)
cell wall
c)
flagellum
d)
capsule
26.
This structure contains important information for making proteins and regulates cellular processes
a)
capsule
b)
cell membrane
c)
DNA
d)
flagellum
27.
DNA is organized into one or more of these
a)
chromosomes
b)
cytoplasm
c)
robisomes
d)
DNA
28.
This provides additional rigid protection around bacteria, algae, fungi, and plant cells
a)
chromosomes
b)
cytoplasm
c)
robisomes
d)
cell wall
29.
This refers to the inside of a cell, including the organelles and their jellylike surrounding
a)
flagellum
b)
cytoplasm
c)
robisomes
d)
DNA
30.
Cell theory states that cells come from prexisting ___.
a)
cells
b)
animals
c)
plants
d)
humans
31.
Cells with nuclei are ___.
a)
prokaryotic
b)
eukaryotic
c)
bacteria
d)
multicellular
32.
A group of tissue that work together form an ___.
a)
cell
b)
tissue
c)
system
d)
organ
33.
Cells without nuclei are ___.
a)
animals
b)
plants
c)
eukaryotic
d)
prokaryotic
34.
The movement of molecules through a membrane becasue of a concentration gradient is called ___.
a)
osmosis
b)
magic
c)
diffusion
d)
diffraction
100 %
