Indiana Science Grade 6

Chapter 11: Cells—The Units of Life

Cells - The Units of Life

1.
Which of the following is NOT an organ?
A)skin
B)blood tissue
C)the heart
D)bones
2.
Cells that form a system through which water, food, and other materials move in a plant are __________.
A)round
B)long and tubelike
C)brick shaped
D)block shaped
3.
Which of the following is an organ?
A)nerve tissue
B)stomach
C)muscle tissue
D)blood tissue
4.
If a group of organs work together to perform a specific job, what are they called?
A)tissue systems
B)helper organs
C)an organ system
D)an organism
5.
Which of these is similar in function to a vacuole?
A)an electric circuit
B)a wall
C)a closet
D)a bakery manager
6.
Which of the following are the smallest organisms on Earth?
A)algae
B)shrimp
C)bacteria
D)mold
7.
What part of the cell helps control what enters and leaves the cell?
A)cell membrane
B)mitochondrion
C)nucleus
D)cytoplasm
8.
Which type of cell forms a protective layer for your body?
A)nerve cell
B)fat cell
C)skin cell
D)muscle cell
9.
Which two structures do plant cells have that animal cells do not have?
A)vacuoles and chloroplasts
B)chromosomes and chlorophyll
C)chloroplasts and a cell wall
D)cell membrane and a nucleus
10.
What determines which traits an organism will have?
A)cytoplasm
B)DNA
C)the mitochondrion
D)the nucleus
11.
If a microscope has a lens with a power of 20X, how many times will it magnify something?
A)2,000 times its actual size
B)20 times is actual size
C)2 times its actual size
D)200 times its actual size
12.
Chloroplasts capture energy from the __________ to make food.
A)soil
B)Sun
C)stored sugar
D)Moon
13.
In what object did Robert Hooke first observe cells?
A)a bacterium
B)a cork
C)a leaf
D)a muscle
14.
Where does cellular respiration occur?
A)in the mitochondrion
B)in the lungs
C)in the vacuole
D)in the chloroplasts
15.
What type of instrument is used to look at cells?
A)glasses
B)microscope
C)telescope
D)binoculars
16.
Blood is considered a(n) __________.
A)cell
B)tissue
C)organ
D)organ system
17.
Which of the following does NOT have organelles?
A)fungi
B)bacteria
C)plants
D)algae
18.
The statement that all cells come from cells that already exist is part of __________.
A)the reproductive theory
B)Hooke's theory
C)the cell theory
D)the fossil record
19.
Cytoplasm is made mostly of _________.
A)vitamins
B)water
C)gelatin
D)chemicals
20.
Put the level of organization in order from smallest to largest.
A)cells, organs, tissues, and organ systems
B)cells, tissues, organs, and organ systems
C)organ system, organs, tissues, and cells
D)organs, tissues, cells, and organ system
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