Tennessee Science Grade 7

Chapter 2: Cells

Cells

1
To view extremely small organisms, which might you use?
A)an electron microscope
B)a concave lens
C)an eyepiece lens
D)a magnifying glass
2
__________ stores water, food, and other cellular material.
A)A ribosome
B)A vacuole
C)A cytoskeleton
D)A chromosome
3
An active virus ultimately __________ the host cell.
A)ignores
B)enlarges
C)duplicates
D)destroys
4
A lysosome's membrane disintegrates when __________.
A)a cell gets rid of wastes
B)a cell dies
C)a cell makes food
D)a cell divides
5
Palm trees and pandas have __________.
A)cells of only one size
B)a single cell
C)eukaryotic cells
D)prokaryotic cells
6
Which of these statements about antibiotics is true?
A)Antibiotics do not help fight the common cold.
B)Antibiotics will not help a person fight an infection from a severe cut.
C)Antibiotics can cure a person with hepatitis.
D)Antibiotics stop the spread of rabies.
7
Which of these involves the cell membrane?
A)location of the nucleus
B)creation of offspring
C)waste products leaving cells
D)respiration
8
Which of these statements is supported by the cell theory?
A)Only certain cells in your body divide to make new cells.
B)No organisms are composed of just one cell.
C)Each cell in your body comes from a cell that has divided.
D)All organisms have multiple cells.
9
Which of these scientists was NOT involved in discoveries about cells?
A)Theodor Schwann
B)Rudolf Virchow
C)Robert Hooke
D)Carl Sagan
10
Edward Jenner developed the first vaccine that treated which of these viral diseases?
A)smallpox
B)hepatitis
C)herpes
D)AIDS
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