Tennessee Science Grade 7

Section 2: Viewing Cells

Self-Check Quiz - English

1
Which of these was a limitation of early compound microscopes?
A)Images in the microscope were never larger than what could be seen with the eyes alone.
B)Early microscope makers also made reading glasses.
C)Putting two magnifying glasses in a tube made the image in the microscope smaller than could be seen with eyes alone.
D)Images weren't always clearly visible because of how the lenses were made.
2
A microscope with one lens is called a __________ microscope.
A)simple
B)compound
C)concave
D)systemic
3
__________ is the change in apparent size produced by a microscope.
A)Objective
B)Eyepiece
C)Magnification
D)Membrane
4
If a microscope has an eyepiece lens with a power of 25X and an objective lens with a power of 50X, what is the microscope's total magnification power?
A)2X
B)1250X
C)25X
D)75X
5
To view extremely small organisms, which might you use?
A)a magnifying glass
B)an eyepiece lens
C)a concave lens
D)an electron microscope
6
Which of these scientists was NOT involved in discoveries about cells?
A)Rudolf Virchow
B)Theodor Schwann
C)Robert Hooke
D)Carl Sagan
7
Which of these statements is supported by the cell theory?
A)All organisms have multiple cells.
B)No organisms are composed of just one cell.
C)Each cell in your body comes from a cell that has divided.
D)Only certain cells in your body divide to make new cells.
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