Microscope lab bio test 2023 with complete solution
Select all of the following that can be studied with bright field microscopy
Fungi, bacteria
Select all of the following that are not microscopic organisms
Vertebrates, bacteria, plants, Protozoa
The total magnification of an image is determined by _____the magnification power of
the ocular lens and the magnification power of the objective lens used
Multiplying
Which part of the microscope will be used first to adjust the focus when starting with the
lowest power lens
Coarse focus
The _____ causes the stage to move upward or downward
Coarse adjustment knob
The magnification of the ocular lens is
10x
Which of the fooling is defined as the ability to distinguish fine detail?
Resolution
Which metric unit is most appropriate for expressing the size of plant and animal cells
Micrometer
Which objective lens requires oil to be applied
100x
Which of the following must be visually studied using microscopy
Prokaryotes
Without making any other adjustments the _____ can be increased by focusing properly
Resolution
What is the advantage of using a wet mount?
The motility of a specimen can be viewed under a microscope, the wet mount is safer
way to view pathogenic organisms, the specimen can be viewed as living cells
Stage (slide) clip
Holds a microscope slide into position
Nosepiece
Part to which the objective lenses are attached
Arm
Serves as a handle for carrying the microscope
Eyepiece (ocular)
Contains a lens at the top of the body tube
Field of view
Circular area seen through the eyepiece
Each of the following steps are necessary in preparing and observing a wet mount place
the steps in correct order
1. Obtain a clean slide and cover slip
2. Using a transfer pipit obtain a drop of specimen and place onto the center of the slide
3. Carefully place the cover slip over the drop of specimen
4. Observe preparation under the 10x objective lens
5. Observe preparation under the 40x objective lens
Select all of the following that can be studied with bright field microscopy
Fungi, bacteria
Select all of the following that are not microscopic organisms
Vertebrates, bacteria, plants, Protozoa
The total magnification of an image is determined by _____the magnification power of
the ocular lens and the magnification power of the objective lens used
Multiplying
Which part of the microscope will be used first to adjust the focus when starting with the
lowest power lens
Coarse focus
The _____ causes the stage to move upward or downward
Coarse adjustment knob
The magnification of the ocular lens is
10x
Which of the fooling is defined as the ability to distinguish fine detail?
Resolution
Which metric unit is most appropriate for expressing the size of plant and animal cells
Micrometer
Which objective lens requires oil to be applied
100x
Which of the following must be visually studied using microscopy
Prokaryotes
Without making any other adjustments the _____ can be increased by focusing properly
Resolution
What is the advantage of using a wet mount?
The motility of a specimen can be viewed under a microscope, the wet mount is safer
way to view pathogenic organisms, the specimen can be viewed as living cells
Stage (slide) clip
Holds a microscope slide into position
Nosepiece
Part to which the objective lenses are attached
Arm
Serves as a handle for carrying the microscope
Eyepiece (ocular)
Contains a lens at the top of the body tube
Field of view
Circular area seen through the eyepiece
Each of the following steps are necessary in preparing and observing a wet mount place
the steps in correct order
1. Obtain a clean slide and cover slip
2. Using a transfer pipit obtain a drop of specimen and place onto the center of the slide
3. Carefully place the cover slip over the drop of specimen
4. Observe preparation under the 10x objective lens
5. Observe preparation under the 40x objective lens
