#1
What is the function of a condenser in a microscope?
To adjust the magnification
To control the amount of light reaching the specimen
To focus the image
To hold the microscope slide in place
#2
What is the function of a microscope condenser?
To magnify the image
To control the amount of light reaching the specimen
To focus the image
To hold the microscope slides
#3
What is the purpose of a cover slip in microscopy?
To protect the objective lens
To hold the microscope slides in place
To support the specimen
To create a uniform thickness for imaging
#4
What is the purpose of a diaphragm in a microscope condenser?
To adjust the light intensity
To focus the image
To control the amount of light reaching the specimen
To hold the microscope slides
#5
Which component of a microscope is responsible for adjusting the distance between the objective lens and the specimen?
Condenser
Stage
Fine focus knob
Iris diaphragm
#6
Which microscopic technique is used to observe the internal structure of a cell?
Transmission Electron Microscopy (TEM)
Scanning Electron Microscopy (SEM)
Light Microscopy
Atomic Force Microscopy (AFM)
#7
In microscopy, what does the term 'immersion oil' refer to?
Oil used for cleaning lenses
Oil used to increase magnification
Oil used to enhance resolution
Oil used to protect the specimen
#8
Which microscopic technique is commonly used for observing living cells in real-time?
Transmission Electron Microscopy (TEM)
Scanning Electron Microscopy (SEM)
Fluorescence Microscopy
Phase-Contrast Microscopy
#9
What is the purpose of an objective lens in a microscope?
To adjust the light intensity
To provide a first-stage magnification
To focus the image
To hold the microscope slides
#10
Which microscopic technique relies on the interference of light waves to create contrast in the specimen?
Confocal Microscopy
Differential Interference Contrast (DIC) Microscopy
Darkfield Microscopy
Phase-Contrast Microscopy
#11
What is the purpose of a hemocytometer in microscopy?
To measure the thickness of a specimen
To count and observe cells in a known volume
To enhance the resolution of the microscope
To stain specimens for better visibility
#12
Which component of a microscope is responsible for increasing the resolution?
Objective lens
Eyepiece
Iris diaphragm
Coarse adjustment knob
#13
Which microscopic technique is suitable for imaging living cells in real-time?
Fluorescence Microscopy
Phase-contrast Microscopy
Dark-field Microscopy
Confocal Microscopy
#14
Which of the following is NOT a component of a transmission electron microscope (TEM)?
Electron Gun
Fluorescence Screen
Condenser Lens
Objective Lens
#15
In fluorescence microscopy, what property of the specimen is visualized using fluorophores?
Density
Color
Chemical composition
Specific molecules or structures
#16
Which component of a scanning electron microscope (SEM) is responsible for collecting secondary electrons emitted from the specimen surface?
Objective Lens
Detectors
Condenser Lens
Electron Gun
#17
In electron microscopy, which type of electrons provides information about the surface structure of a specimen?
Secondary Electrons
Backscattered Electrons
Transmission Electrons
Primary Electrons