Biology part 1 (ch 4 test)
Study online at https://quizlet.com/_ji6erh
1. Which statement about cells is true? A) all cells have internal
A) all cells have internal structures that move structures that move
B) all cells are motile
C) all cells are attached to other cells
D) all cells have cell walls
2. Light microscopes B) use light and glass lens-
A) work by reflecting electrons off the surface of an es to magnify an image
object being studied
B) use light and glass lenses to magnify an image
C) are generally not used to view bacteria
D) typically provide more resolution than an electron
microscope
3. One centimeter= ________ millimeters A) 10
A) 10
B) 0.01
C) 100
D) 0.10
4. Resolution is the D) ability of an optical
A) size of an image instrument to show two
B) distance between the lenses of a microscope close objects as separate
C) ability of an optical instrument to magnify an image
D) ability of an optical instrument to show two close
objects as separate
5. A scientist wants to examine living cells lining the res- D) a light microscope, be-
piratory tract to determine how the cells use tiny hairs cause it allows observa-
to move dirt and mucus away from the lungs. Which tions of whole, live cells
instrument would be best, and why?
A) a scanning electron microscope, because it can be
, Biology part 1 (ch 4 test)
Study online at https://quizlet.com/_ji6erh
used to observe whole cells without slicing them
B) a scanning electron microscope, because it can re-
veal structures on cell surfaces
C) a transmission electron microscope, because it has
high resolution
D) a light microscope, because it allows observations
of whole, live cells
6. Cell theory states that D) all living things are
A) cells make up living and nonliving substances composed of cells and that
B) cells can be created from molecules spontaneously all cells come from other
C) all living things are made of many cells cells
D) all living things are composed of cells and that all
cells come from other cells
7. A scientist wants to magnify a pollen grain 8,000 times B) a scanning electron mi-
and examine the ridges and pores on its surface. croscope
Which instrument would be best?
A) a light microscope
B) a scanning electron microscope
C) a fluorescence microscope
D) a transmission electron microscope
8. The diamter of most animal and plant cells ranges A) 10 to 100 micrometers
from
A) 10 to 100 micrometers
B) 0.1 to 1.0 micrometers
C) 100 to 1,000 micrometers
D) 1.0 to 10 micrometers
9. As cell size increases, the D) volume increases pro-
A) ratio of surface area to volume stays the same portionally more than the
B) surface area increases proportionally more than the surface area
Study online at https://quizlet.com/_ji6erh
1. Which statement about cells is true? A) all cells have internal
A) all cells have internal structures that move structures that move
B) all cells are motile
C) all cells are attached to other cells
D) all cells have cell walls
2. Light microscopes B) use light and glass lens-
A) work by reflecting electrons off the surface of an es to magnify an image
object being studied
B) use light and glass lenses to magnify an image
C) are generally not used to view bacteria
D) typically provide more resolution than an electron
microscope
3. One centimeter= ________ millimeters A) 10
A) 10
B) 0.01
C) 100
D) 0.10
4. Resolution is the D) ability of an optical
A) size of an image instrument to show two
B) distance between the lenses of a microscope close objects as separate
C) ability of an optical instrument to magnify an image
D) ability of an optical instrument to show two close
objects as separate
5. A scientist wants to examine living cells lining the res- D) a light microscope, be-
piratory tract to determine how the cells use tiny hairs cause it allows observa-
to move dirt and mucus away from the lungs. Which tions of whole, live cells
instrument would be best, and why?
A) a scanning electron microscope, because it can be
, Biology part 1 (ch 4 test)
Study online at https://quizlet.com/_ji6erh
used to observe whole cells without slicing them
B) a scanning electron microscope, because it can re-
veal structures on cell surfaces
C) a transmission electron microscope, because it has
high resolution
D) a light microscope, because it allows observations
of whole, live cells
6. Cell theory states that D) all living things are
A) cells make up living and nonliving substances composed of cells and that
B) cells can be created from molecules spontaneously all cells come from other
C) all living things are made of many cells cells
D) all living things are composed of cells and that all
cells come from other cells
7. A scientist wants to magnify a pollen grain 8,000 times B) a scanning electron mi-
and examine the ridges and pores on its surface. croscope
Which instrument would be best?
A) a light microscope
B) a scanning electron microscope
C) a fluorescence microscope
D) a transmission electron microscope
8. The diamter of most animal and plant cells ranges A) 10 to 100 micrometers
from
A) 10 to 100 micrometers
B) 0.1 to 1.0 micrometers
C) 100 to 1,000 micrometers
D) 1.0 to 10 micrometers
9. As cell size increases, the D) volume increases pro-
A) ratio of surface area to volume stays the same portionally more than the
B) surface area increases proportionally more than the surface area
