Microbiology Lab Midterm (Lab
Notebook Questions) with 100%
Correct Answers
What is located in the headpiece that bends light rays toward the ocular lenses? -
Answer: prism
Question: Name the only type of paper and three fluids that may be used to clean
objective and ocular lenses? -
Answer: -lens paper
-acetone
-xylene
-ethyl alcohol
Question: What is the most important aspect in caring for the microscope? -
Answer: keeping it clean and using it properly
,Question: Which way does the stage move when you rotate the coarse adjustment
knob towards you? -
Answer: down
Question: Make a statement concerning the distance the stage moves up or down
when using the coarse adjustment compound to the fine adjustment. -
Answer: Fine adjustment: sharpens image
Coarse adjustment: moves the stage and provides the most focus by changing
distance between lens and specimen
Question: Your microscope is equipped with a series of 3 lenses and is therefore
called a _______ microscope. -
Answer: compound
Question: An image is produced when light is absorbed by a dark opaque object.
The background has a bright white background. Your microscope is therefore also
called a ________ microscope. -
, Answer: bright field
Question: The lenses nearest your eyes are the eyepieces or ______ lenses. -
Answer: ocular
Question: What is the magnifying power of there lenses? -
Answer: 10x
Question: What is the collective name for the four lenses located nearest to the
object being viewed? -
Answer: objective lenses
Question: What is the name and magnification of the red banded lens? -
Answer: 4x
scanning lens
Question: What is the name and magnification of the yellow banded lens? -
Answer: 10x
Notebook Questions) with 100%
Correct Answers
What is located in the headpiece that bends light rays toward the ocular lenses? -
Answer: prism
Question: Name the only type of paper and three fluids that may be used to clean
objective and ocular lenses? -
Answer: -lens paper
-acetone
-xylene
-ethyl alcohol
Question: What is the most important aspect in caring for the microscope? -
Answer: keeping it clean and using it properly
,Question: Which way does the stage move when you rotate the coarse adjustment
knob towards you? -
Answer: down
Question: Make a statement concerning the distance the stage moves up or down
when using the coarse adjustment compound to the fine adjustment. -
Answer: Fine adjustment: sharpens image
Coarse adjustment: moves the stage and provides the most focus by changing
distance between lens and specimen
Question: Your microscope is equipped with a series of 3 lenses and is therefore
called a _______ microscope. -
Answer: compound
Question: An image is produced when light is absorbed by a dark opaque object.
The background has a bright white background. Your microscope is therefore also
called a ________ microscope. -
, Answer: bright field
Question: The lenses nearest your eyes are the eyepieces or ______ lenses. -
Answer: ocular
Question: What is the magnifying power of there lenses? -
Answer: 10x
Question: What is the collective name for the four lenses located nearest to the
object being viewed? -
Answer: objective lenses
Question: What is the name and magnification of the red banded lens? -
Answer: 4x
scanning lens
Question: What is the name and magnification of the yellow banded lens? -
Answer: 10x
