Cells - The Units of Life
Practice Test
1.
Where does cellular respiration occur?
a.
in the vacuole
b.
in the lungs
c.
in the mitochondrion
d.
in the chloroplasts
Hint
2.
Which of these is similar in function to a vacuole?
a.
a bakery manager
b.
an electric circuit
c.
a wall
d.
a closet
Hint
3.
Plants, algae, and many bacteria make their own food through the process of __________.
a.
digestion
b.
photosynthesis
c.
cellular respiration
d.
metabolism
Hint
4.
Which of the following is an organ?
a.
blood tissue
b.
nerve tissue
c.
muscle tissue
d.
stomach
Hint
5.
The statement that all cells come from cells that already exist is part of __________.
a.
Hooke's theory
b.
the cell theory
c.
the fossil record
d.
the reproductive theory
Hint
6.
Which of the following is NOT an organ?
a.
the heart
b.
bones
c.
blood tissue
d.
skin
Hint
7.
Cells that form a system through which water, food, and other materials move in a plant are __________.
a.
block shaped
b.
long and tubelike
c.
brick shaped
d.
round
Hint
8.
If a microscope has a lens with a power of 20X, how many times will it magnify something?
a.
20 times is actual size
b.
2,000 times its actual size
c.
2 times its actual size
d.
200 times its actual size
Hint
9.
Groups of similar cells that all do the same sort of work are called __________.
a.
cell systems
b.
organ systems
c.
tissues
d.
organs
Hint
10.
What object did Robert Hooke first observe cells in?
a.
a bacterium
b.
a cork
c.
a leaf
d.
a muscle
Hint
11.
Which type of cell forms a protective layer for your body?
a.
skin cell
b.
nerve cell
c.
fat cell
d.
muscle cell
Hint
12.
What part of the cell helps control what enters and leaves the cell?
a.
cytoplasm
b.
nucleus
c.
cell membrane
d.
mitochondrion
Hint
13.
Chloroplasts capture energy from the __________ to make food.
a.
soil
b.
Sun
c.
Moon
d.
stored sugar
Hint
14.
What is the function of a nerve cell?
a.
to contract and relax muscles
b.
to receive and deliver messages
c.
to form a protective layer for your body
d.
to store fat
Hint
15.
What determines which traits an organism will have?
a.
cytoplasm
b.
DNA
c.
the nucleus
d.
the mitochondrion
Hint
16.
Put the level of organization in order from smallest to largest.
a.
cells, tissues, organs, and organ systems
b.
cells, organs, tissues, and organ systems
c.
organ system, organs, tissues, and cells
d.
organs, tissues, cells, and organ system
Hint
17.
Where is the hereditary material located in the cell?
a.
the nucleus
b.
the mitochondrion
c.
the cell membrane
d.
the vacuole
Hint
18.
Which of the following does NOT have organelles?
a.
fungi
b.
plants
c.
algae
d.
bacteria
Hint
19.
Cytoplasm is made mostly of _________.
a.
gelatin
b.
water
c.
vitamins
d.
chemicals
Hint
20.
Which of the following are the smallest organisms on Earth?
a.
algae
b.
mold
c.
shrimp
d.
bacteria
Hint
