Florida Science Grade 6

Chapter 2: The Living Cell

The Living Cell

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