Question 1

If the ________ on two bullets viewed through a comparison microscope are alike,the examiner can conclude that both bullets traveled through the same barrel.

Accepted Answer

The answer of If the ________ on two bullets viewed...

Question 2

________ illumination is illumination of a specimen from above.

Accepted Answer

The answer of ________ illumination is illumination of a specimen...

Question 3

A type of image that cannot be viewed directly is called a(n) ________ image.

Accepted Answer

A)   Real
B)   Imaginary
C)   Reflected
D)   VirtualE) A) and D)
F) C) and D)

Question 4

The lens nearest the specimen is called the ocular lens.

Accepted Answer

A) True 
 B)False

Question 5

The microscope that provides the highest resolution and greatest depth of focus is the:

Accepted Answer

A)   SEM.
B)   Comparison.
C)   Compound.
D)   Stereoscopic.E) None of the above
F) A) and B)

Question 6

Which type of pollen is rarely deposited on objects EXCEPT by direct contact with the plant?

Accepted Answer

A)   Anemophilous
B)   Exine
C)   Entomophilous
D)   GametophyteE) A) and D)
F) A) and B)

Question 7

As the magnifying power of the compound microscope increases,the depth of focus:

Accepted Answer

A)   Remains the same.
B)   Decreases.
C)   Increases.
D)   Becomes less focused.E) None of the above
F) All of the above

Question 8

An objective lens with a numerical aperture of 1.50 can separate details at half the distance of a lens with a numerical aperture of:

Accepted Answer

A)   0.65.
B)   3.00.
C)   30.00.
D)   0.75.E) All of the above
F) None of the above

Question 9

The stereoscopic microscope forms an inverted and reversed image.

Accepted Answer

A) True 
 B)False

Question 10

The scanning electron microscope produces an image by aiming a beam of electrons onto a specimen.

Accepted Answer

A) True 
 B)False

Question 11

A ________ microscope is used to make side-by-side comparisons of specimens.

Accepted Answer

The answer of A ________ microscope is used to make...

Question 12

A microscope uses a combination of ________ to magnify an image.

Accepted Answer

A)   Stages
B)   Mirrors
C)   Lenses
D)   ConfocalsE) B) and D)
F) A) and C)

Question 13

When using a compound microscope,the areas above and below the depth of focus are best viewed by adjusting the:

Accepted Answer

A)   Eyepiece lens.
B)   Fine or coarse adjustment.
C)   Intensity of the illumination.
D)   Numerical aperture.E) A) and B)
F) A) and C)

Question 14

A transparent specimen is viewed through a microscope using ________ light while an opaque object requires ________ illumination.

Accepted Answer

A)   Transmitted; stereoscopic
B)   Confocal; transmitted
C)   Vertical; horizontal
D)   Transmitted; verticalE) C) and D)
F) All of the above

Question 15

Briefly describe how a comparison microscope works and what it is used for.

Accepted Answer

Answer (should include points such as):
...

Question 16

When the SEM's primary electron beam bombards a specimen,it causes the emission of:

Accepted Answer

A)   Electrons from elements of the upper layer of the specimen.
B)   X-rays from the target.
C)   Gamma rays from the target.
D)   Both A and BE) None of the above
F) All of the above

Question 17

It is not possible to identify a geographical origin by the type and percentages of airborne pollen grains.

Accepted Answer

A) True 
 B)False

Question 18

Pollen and spores can be used to provide links between a crime scene and a person or object.

Accepted Answer

A) True 
 B)False

Question 19

Palynology is the study of:

Accepted Answer

A)   Fish.
B)   Insects.
C)   Birds.
D)   Spores.E) B) and D)
F) A) and B)

Question 20

As the magnification of the compound microscope is increased,the field of view:

Accepted Answer

A)   Decreases.
B)   Remains the same.
C)   Increases.
D)   Becomes more focused.E) All of the above
F) None of the above

Exam 8: The Microscope

A microscope uses a combination of ________ to magnify an image.

Correct AnswerverifiedShow Answer

The scanning electron microscope produces an image by aiming a beam of electrons onto a specimen.

Correct AnswerverifiedShow Answer

As the magnifying power of the compound microscope increases,the depth of focus:

Correct AnswerverifiedShow Answer

A type of image that cannot be viewed directly is called a(n) ________ image.

Correct AnswerverifiedShow Answer

A ________ microscope is used to make side-by-side comparisons of specimens.

Correct AnswerverifiedShow Answer

As the magnification of the compound microscope is increased,the field of view:

Correct AnswerverifiedShow Answer

The stereoscopic microscope forms an inverted and reversed image.

Correct AnswerverifiedShow Answer

Briefly describe how a comparison microscope works and what it is used for.

Correct AnswerverifiedAnswer (should include points such as):...View AnswerShow Answer

It is not possible to identify a geographical origin by the type and percentages of airborne pollen grains.

Correct AnswerverifiedShow Answer

Palynology is the study of:

Correct AnswerverifiedShow Answer

When using a compound microscope,the areas above and below the depth of focus are best viewed by adjusting the:

Correct AnswerverifiedShow Answer

An objective lens with a numerical aperture of 1.50 can separate details at half the distance of a lens with a numerical aperture of:

Correct AnswerverifiedShow Answer

The lens nearest the specimen is called the ocular lens.

Correct AnswerverifiedShow Answer

Which type of pollen is rarely deposited on objects EXCEPT by direct contact with the plant?

Correct AnswerverifiedShow Answer

If the ________ on two bullets viewed through a comparison microscope are alike,the examiner can conclude that both bullets traveled through the same barrel.

Correct AnswerverifiedShow Answer

A transparent specimen is viewed through a microscope using ________ light while an opaque object requires ________ illumination.

Correct AnswerverifiedShow Answer

The microscope that provides the highest resolution and greatest depth of focus is the:

Correct AnswerverifiedShow Answer

When the SEM's primary electron beam bombards a specimen,it causes the emission of:

Correct AnswerverifiedShow Answer

Pollen and spores can be used to provide links between a crime scene and a person or object.

Correct AnswerverifiedShow Answer

________ illumination is illumination of a specimen from above.

Correct AnswerverifiedShow Answer

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Answer (should include points such as):
...
View Answer

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A transparent specimen is viewed through a microscope using light while an opaque object requires illumination.

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