Download Pretest Posttest Cell Theory - Understanding Science Using NOS

PRETEST/POSTTEST
CELL THEORY
1. The cell theory is one of the unifying themes of biology. Which of the following statements would be
part of the cell theory?
A. All life is made of cells.
B. Cells are the smallest units of life.
C. Cells come from preexisting cells.
D. All of the above
2. You are told that the cells on a microscope slide are plant, animal, or bacterial. You look at them
through a microscope and see cell walls and membrane-bound organelles. You conclude that the
cells
A. are plant cells.
B. could be either plant or bacterial.
C. are animal cells.
D. could be plant, animal, or bacterial.
3. Which statement is not a part of the cell theory?
A. Cells are the basic unit of structure of living things.
B. Cells are the basic unit of function of living things.
C. Cell parts such as chloroplasts are self-replicating.
D. Cells come from preexisting cells.
4. Which invention from the 17th century allowed for the development of modern cell theory?
A. X-rays
B. computers
C. the light microscope
D. the scanning electron microscope
5. The cell theory was first proposed in 1838. Evidence obtained through additional scientific
investigations resulted in the current cell theory. Which statement describes a component of the
original cell theory that was removed because of the new scientific knowledge?
A. All living things are made of cells.
B. All cells come from other preexisting cells.
C. Cells form through spontaneous generation.
D. Cells are the basic structural and functional units of life.
KEY TO CORRECTION
1. D
2. A
3. C
4. C
5. C