Introduction To Microscopes

Question 0

Good at providing contrast between the organisms edge and its interior and the background

Answer 0

Dark-field micrograph

Question 1

Entire organism is not in focus at once because of its thickness

Answer 1

Bright-field micrograph

Question 2

Bacteria not visible

Answer 2

Dark-field micrograph

Question 3

Bacteria are dark

Answer 3

Phase contrast image

Question 4

Parts of interior and its detail are visible

Answer 4

Phase contrast image

Question 5

Lens produce a flat field of view

Answer 5

Plan

Question 6

Clarity of an image

Answer 6

Resolution

Question 7

Actual measurement of how far apart two points must be for the microscope to view them

Answer 7

Limit of resolution

Question 8

Measure of lens ability to capture light coming from the specimen and use it to make the image

Answer 8

Numerical aperture

Question 9

Only the light reflected off the specimen enters the objective

Answer 9

Dark field microscopy

Question 10

Phase contrast microscopy

Answer 10

Exploit subtle differences in the refractive indices of water and cytoplasmic components to produce contrast

Question 11

Uses a fluorescent dye that emits fluorescence when illuminated with ultraviolet radiation

Answer 11

Fluorescence microscopy

Question 12

Used to clean condenser and objective lens

Answer 12

Lens paper