Microscopy MCQ
Microscopy MCQ Questions and Answers for students. Here we are given list of MCQ ‘S on Microscopy from Microbiology topic.
1.) ………..is the part of the compound microscope helps in gathering and focusing Lightrays on the specimen to be viewed
A.) Magnifying lens
B.) Condenser lens
C.) Micrifying lens
D.) Objective lens
2.) ……… is the minimum distance for the eyes to focus objects.
A.) 12 cm
B.) 5 cm
C.) 45 cm
D.) 25 cm
3.) The maximum Numerical Aperture value for a dry objective is less than —— as the refractive index of air is 1
A.) 1.0
B.) 2.5
C.) 3.33
D.) 4.25
4.) ——-is the study of devices that are used to view objects or certain areas that cannot be seen with a naked eye.
A.) Nanotechnology
B.) Macroscopy
C.) Microscopy
D.) Microbiology
5.) ——— Microscopy is responsible for detailed imaging of subcellular organelles like nucleus and chromosome.
A.) Optical microscopy
B.) X-ray microscopy
C.) Electron microscopy
D.) Compound microscopy
6.) Microscope that uses light rays to produce a dark image against a bright background is known as a ……..
A.) Darkfield microscope
B.) Brightfield microscope
C.) Phase contrast microscope
D.) Electron microscope
7.) Stereoscopic microscopes are also known as
A.) Dissecting microscope
B.) Darkfield microscope
C.) Brightfield microscope
D.) Compound microscope
8.) Dissecting microscope was first desighned by ……..
A.) John Leornld Riddell
B.) Horatio S. Greenough
C.) Cherudin d’Orléans
D.) Charles wheatstone
9.) TEM uses …….. to focus on the specimen to produce an image.
A.) Beam of protons
B.) Light rays
C.) Beam of electrons
D.) Beam of neutrons
10.) TEM has….. times better resolution than that of light microscope.
A.) 10 times
B.) 100 times
C.) 1000 times
D.) 10000 times
11.) In TEM electrons are produced by a ……… that is a ……….. filament.
A.) Cathode, Gold respectively
B.) Cathode, Tungsten respectively
C.) Anode, Gold respectively
D.) Anode, Tungsten respectively
12.) Which of the given is not the part of TEM?
A.) Intermediate lenses
B.) Fluorescent screen
C.) Condenser aperture
D.) None of the above
13.) ……. Microscope uses a single lens for magnification.
A.) Compound microscope
B.) Simple microscope
C.) Phase contrast microscope
D.) Light microscope
14.) Maximum magnification of simple microscope is about …..X
A.) 10
B.) 100
C.) 1000
D.) 10000
15.) Which of the below is not the part of simple microscope
A.) Diaphragm
B.) Nosepiece
C.) Condenser aperture
D.) Objective lens
16). …….. is a measure of the clarity of an image; how clear the details are
A.) Magnification
B.) Resolution
C.) Total magnification
D.) Objectification
17.) ……. microsope provide detailed 3D image.
A.) Simple microscope
B.) Compound microscope
C.) Light microscope
D.) Scanning electron microscope
18.). …….. in simple microscope used to control the amount of light passing through the stage
A.) Diaphragm
B.) Stage
C.) Condenser
D.) Base
19.) How many lenses are used in a compound microscope?
A.) 1-2
B.) 2-4
C.) More than 10
D.) More than 12
20.) The metal used in an electron microscope is ………
A.) Tungsten
B.) Platinum
C.) Gold
D.) Silver
21.) Maximum magnification of compound microscope is
A.) 100 X
B.) 1000 X
C.) 10,000 X
D.) 5000 X
22.) Electron microscope used to study the internal structure of the cell is
A.) Phase contrast microscope
B.) Transmission electron microscope
C.) Surface Electron Microscope
D.) Light microscope
23.) When the ocular lens power is 10 X and the objective lens power is 40 X, the magnification is
A.) 40 times
B.) 400 times
C.) 4 times
D.) 10 X
24.) …….. light is best for obtaining the highest resolutions.
A.) Blue
B.) Orange
C.) Red
D.) Green
25.) All the following are the components of compound microscope except
A.) Laser beam
B.) Fine adjustment
C.) Binocular eye piece
D.) stage clips
26.) ……. microscope is used for obtaining objects surface view
A.) Compound microscope
B.) Simple microscope
C.) SEM
D.) TEM
27.) The refractive index of air is ….
A.) 1
B.) 1.25
C.) 1.50
D.) 1.75
28.) ……. microscopy is used to view living cells
A.) Compound
B.) TEM
C.) Phase contrast
D.) SEM
29.) ……. is used to clean the lenses of microscope.
A.) Alcohol
B.) Paraffin oil
C.) Wax
D.) Water
30.) The main microscope lens that focuses the image is
A.) Ocular
B.) Base
C.) Objective
D.) Binocular
31.) Microscopic lens that located in the eyepiece is …..
A.) Laser
B.) Electron beam
C.) Ocular
D.) Binocular
32.) Oil immersion objective lens has an NA value
A.) 0.75
B.) 0.33
C.) 1.33
D.) 1.75
33.) In………. microscopy Exciter filter removes all light except the blue light.
A.) 1. Fluorescence
B.) 2. Compound
C.) 3. Simple
D.) 4. None of the above
34.) Total magnification is obtained by
A.) Magnifying power of ocular lens
B.) Magnifying power of binocular lens
C.) Magnifying power of both objective lens and eyepiece
D.) Magnifying power of eyepiece.
35.) Resolving power of a microscope depends upon
A.) The wavelength of light illuminating the object
B.) The focal length and ocular eye lens
C.) The focal length and binocular eye lens
D.) The objective lens and ocular lens
36.) In light microscopy ……. is used as fixative prior to staining technique.
A.) Glutaraldehyde
B.) Heat
C.) Osmic acid
D.) None of the above
37.) The resolving power of human eye is…..
A.) 1. 100 mm
B.) 2. 100 nm
C.) 3. 100 cm
D.) 4. 100 um
38.) ……. described “cell” in a dead cork tissue.
A.) Antonie van Leeuwenhoek
B.) Robert Hooke
C.) Hans Janssen
D.) Louis Pasteur
39.) An electron microscope can give magnification upto……
A.) 400,000 X
B.) 40000 X
C.) 4000 X
D.) 40 X
40.) ……is the resolving power of light microscope
A.) 20 mm
B.) 2 mm
C.) 0.2 mm
D.) 0.02 mm
41.) The most powerful microscope is…..
A.) Simple
B.) Compound
C.) Light
D.) Electron
42.) ………. image formed by an objective of a compound microscope is
A.) Real and enlarged
B.) Real and small
C.) Real and diminished
D.) Virtual and Diminished
43.) ……… is the Differential capacity of compound microscope.
A.) 0.275 nm
B.) 0.275 um
C.) 0.275 pm
D.) 0.275 mm
44)………. is the part of compound microscope helps in gathering and focusing light rays on the specimen to be viewed.
A.) Ocular lens
B.) Binocular lens
C.) Magnifying lens
D.) Condenser lens
45.) All the following are the component of darkfield microscope except
A.) Condenser
B.) Objective aperture
C.) Collector
D.) None of the above
46) In ………. microscopy, the specimen is brightly illuminated while the background is dark
A.) Brightfield
B.) Darkfield
C.) Phase contrast
D.) SEM
47.) Confocal microscopy relies on a……… beam
A.) Light
B.) Laser
C.) Electron
D.) Proton
48.) ……….. microscopy let excitation light radiate the specimen and then sort out the much weaker emitted light from the image
A.) 1. SEM
B.) 2. TEM
C.) 3. Fluorescence microscopy
D.) 4. Phase contrast microscopy
49.) …… is the phenomenon restricts the attainment of resolution in a microscope.
A.) Reflection
B.) Diffraction
C.) Refraction
D.) None of the above
50) What magnification does the ocular lens provide?
A.) 5X, 10X 15X, 20X
B.) 10X, 40X 100X
C.) 4X, 40X 100X
D.) None of the above
Answer Part on above MCQ on Microscopy
1) B
2) D
3) A
4) C
5) B
6) B
7) A
8) C
9) C
10) C
11) B
12) D
13) B
14) A
15) C
16) B
17) D
18) A
19) B
20) A
21) B
22) B
23) B
24) A
25) A
26) C
27) A
28) C
29) A
30) C
31) C
32) C
33) A
34) C
35) A
36) B
37) D
38) B
39) A
40) C
41) D
42) A
43) B
44) D
45) D
46) B
47) B
48) C
49) B
50) A