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Methods in Microbiology

Methods in Microbiology

39問 • 2年前

問題一覧

1

It is using of microscopes to view objects and areas of objects that cannot be seen with the naked eye

Microscopy

2

Microscope that uses light waves and mirrors

Light Microscope

3

The which following are the characteristics of simple microscope

short focal length, 1 lens, 300x magnification

4

Which of the following are the characteristics of compound/complex microscope

long focal length, 2 lenses, 1000x magnification

5

These are microscopes that uses electron beams and magnetic fields and view objects smaller than 0.2 mm

Electron microscope

6

The following are the kinds of Electron microscope except

DIC

7

It is the distance of the focal point and the center of the lens

Focal Length (FL)

8

FL of the LPO

16mm

9

FL of HPO

4mm

10

FL of IOI

1.8mm

11

What is the relationship of Magnification and Focal Length

Magnification is inversely proportional to Focal Length

12

It is the property to recognize features of a specimen that are close to each other as separate or distinct

Resolving Power (R)

13

Relationship of Resolving Power (R) and Definition of an object

Resolving Power is directly proportional to Definition of an object

14

The smallest distance by which an objective can distinguish two points/features

Limit of Resolution (d)

15

What is the relationship of Resolving Power and Limit of Resolution

Resolving Power is inversely proportional to Limit of Resolution

16

It is the light gathering ability of the lens

Numerical Aperture (NA)

17

NA of LPO

0.25

18

NA of HPO

0.65

19

NA of OIO

1.25

20

What is the relationship between magnification, focal length, and numerical aperture

Magnification is inversely proportional to Focal Length and Numerical Aperture

21

It is the distance between the front surface of the lens to the surface of the cover slip

Working Distance (WD)

22

WD of LPO

4-8mm

23

WD of HPO

0.5-0.7mm

24

Kind of microscope wherein microscopic field is brightly lit and the objects under study are darker.

Bright Field Microscope

25

Kind of microscope wherein there's a detailed examination of internal structure

Phase-contrast Microscope

26

The Phase-contrast microscope is based on _____________.

variations in the refractive indices

27

It is the type of microscope wherein the field is dark and the objects under study are luminous

Dark Field Microscope

28

It is a type of microscope that has natural fluorescent substances or stained with fluorochromes

Fluorescence Microscope

29

What is the advantage of using a Differential Interference Contrast Microscope?

no diffraction halo associated with phase contrast

30

What is the disadvantage of using a Differential Interference Contrast Microscope?

three-dimensional appearance may not represent reality

31

Which of the following are the microscopes that use electron beams and magnetic fields?

Transmission Electron Microscope and Scanning Electron Microscope

32

Microscope that can examine viruses and ultrastructure in thin sections of the cells.

Transmission Electron Microscope

33

The following are the characteristics of transmission electron microscope except

reveals a 3D image

34

It is a microscope that shows surface features of viruses and cells and reveals a 3D image

Scanning Electron Microscope

35

The following are the reasons why living things can't survive in an electron microscope except

Limited magnification

36

True or False. When preparing samples for both the TEM and SEM, fixation should be considered but not dehydration

False

37

The following are the characteristics of Scanning Electron Microscope except

ultrastructure in thin sections of the cells

38

It is used to cut the specimen around 100 nm or thinner for TEM

Ultramicrotome

39

The following are examples of EM stains except

Platinum

Introduction to Mycology

Introduction to Mycology

Em Rillera · 39問 · 2年前

Introduction to Mycology

Introduction to Mycology

39問 • 2年前

History and Scope of Microbiology

History and Scope of Microbiology

Em Rillera · 28問 · 2年前

History and Scope of Microbiology

History and Scope of Microbiology

28問 • 2年前

Ch. 9 - Pathogenesis of Bacterial Infection

Ch. 9 - Pathogenesis of Bacterial Infection

Em Rillera · 37問 · 2年前

Ch. 9 - Pathogenesis of Bacterial Infection

Ch. 9 - Pathogenesis of Bacterial Infection

37問 • 2年前

Ch 16 - Phylogenetic Diversity of Bacteria

Ch 16 - Phylogenetic Diversity of Bacteria

Em Rillera · 27問 · 2年前

Ch 16 - Phylogenetic Diversity of Bacteria

Ch 16 - Phylogenetic Diversity of Bacteria

27問 • 2年前

Bacterial Pathogenesis

Bacterial Pathogenesis

Em Rillera · 5問 · 2年前

Bacterial Pathogenesis

Bacterial Pathogenesis

5問 • 2年前

Introduction

Introduction

Em Rillera · 6問 · 2年前

Introduction

Introduction

6問 • 2年前

Isolation and Cultivation of Microorganisms

Isolation and Cultivation of Microorganisms

Em Rillera · 8問 · 2年前

Isolation and Cultivation of Microorganisms

Isolation and Cultivation of Microorganisms

8問 • 2年前

Introduction to Bioremediation

Introduction to Bioremediation

Em Rillera · 14問 · 2年前

Introduction to Bioremediation

Introduction to Bioremediation

14問 • 2年前

Microbiology of Extreme Environments

Microbiology of Extreme Environments

Em Rillera · 8問 · 2年前

Microbiology of Extreme Environments

Microbiology of Extreme Environments

8問 • 2年前

問題一覧

1

It is using of microscopes to view objects and areas of objects that cannot be seen with the naked eye

Microscopy

2

Microscope that uses light waves and mirrors

Light Microscope

3

The which following are the characteristics of simple microscope

short focal length, 1 lens, 300x magnification

4

Which of the following are the characteristics of compound/complex microscope

long focal length, 2 lenses, 1000x magnification

5

These are microscopes that uses electron beams and magnetic fields and view objects smaller than 0.2 mm

Electron microscope

6

The following are the kinds of Electron microscope except

DIC

7

It is the distance of the focal point and the center of the lens

Focal Length (FL)

8

FL of the LPO

16mm

9

FL of HPO

4mm

10

FL of IOI

1.8mm

11

What is the relationship of Magnification and Focal Length

Magnification is inversely proportional to Focal Length

12

It is the property to recognize features of a specimen that are close to each other as separate or distinct

Resolving Power (R)

13

Relationship of Resolving Power (R) and Definition of an object

Resolving Power is directly proportional to Definition of an object

14

The smallest distance by which an objective can distinguish two points/features

Limit of Resolution (d)

15

What is the relationship of Resolving Power and Limit of Resolution

Resolving Power is inversely proportional to Limit of Resolution

16

It is the light gathering ability of the lens

Numerical Aperture (NA)

17

NA of LPO

0.25

18

NA of HPO

0.65

19

NA of OIO

1.25

20

What is the relationship between magnification, focal length, and numerical aperture

Magnification is inversely proportional to Focal Length and Numerical Aperture

21

It is the distance between the front surface of the lens to the surface of the cover slip

Working Distance (WD)

22

WD of LPO

4-8mm

23

WD of HPO

0.5-0.7mm

24

Kind of microscope wherein microscopic field is brightly lit and the objects under study are darker.

Bright Field Microscope

25

Kind of microscope wherein there's a detailed examination of internal structure

Phase-contrast Microscope

26

The Phase-contrast microscope is based on _____________.

variations in the refractive indices

27

It is the type of microscope wherein the field is dark and the objects under study are luminous

Dark Field Microscope

28

It is a type of microscope that has natural fluorescent substances or stained with fluorochromes

Fluorescence Microscope

29

What is the advantage of using a Differential Interference Contrast Microscope?

no diffraction halo associated with phase contrast

30

What is the disadvantage of using a Differential Interference Contrast Microscope?

three-dimensional appearance may not represent reality

31

Which of the following are the microscopes that use electron beams and magnetic fields?

Transmission Electron Microscope and Scanning Electron Microscope

32

Microscope that can examine viruses and ultrastructure in thin sections of the cells.

Transmission Electron Microscope

33

The following are the characteristics of transmission electron microscope except

reveals a 3D image

34

It is a microscope that shows surface features of viruses and cells and reveals a 3D image

Scanning Electron Microscope

35

The following are the reasons why living things can't survive in an electron microscope except

Limited magnification

36

True or False. When preparing samples for both the TEM and SEM, fixation should be considered but not dehydration

False

37

The following are the characteristics of Scanning Electron Microscope except

ultrastructure in thin sections of the cells

38

It is used to cut the specimen around 100 nm or thinner for TEM

Ultramicrotome

39

The following are examples of EM stains except

Platinum