Free Printable MICR W1-W2

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Worksheets

MICR W1-W2

Total questions: 89

Worksheet time: 54mins

Name

Class

Date

1.

select the single-cell organisms

a)

bacteria

b)

fungi

c)

protozoa

d)

virus

e)

prions

2.

select ACELLULAR organisms

a)

bacteria

b)

fungi

c)

protozoa

d)

virus

e)

prions

3.

NON PATHOGEN causes NO INFECTION

they can live with you and can't cause disease

a)

True

b)

False

4.

#1 Acute Lower Respiratory Infections cause _ _ million deaths per year

(a)

5.

#2 HIV-AIDS cause _ million deaths per year

(a)

6.

#3 Diarrheal Disease cause _ _ million deaths per year

(a)

7.

#4 Tuberculosis cause _ _ million deaths per year

(a)

8.

#5 Malaria cause _ _ _ million deaths per year

(a)

9.

good things that microbes do:

a)

Vaccines

b)

Insulin

c)

Antibiotics

d)

Gut microbes

e)

Antigen Presentation

10.

Gut Microbiome functions:

a)

improves mental performance & health

b)

defend against infections

c)

promote host immune system

d)

maintains homeostasis

e)

aid in body's recovery during inflammation

11.

for cell membrane structure

for energy storage

for protection cushion

a)

Lipids

b)

Proteins

c)

Carbohydrates

12.

for work or action

structure

cell recognition

energy

a)

Lipids

b)

Proteins

c)

Carbohydrates

13.

for energy

structure

cell recognition

a)

Lipids

b)

Proteins

c)

Carbohydrates

14.

cytoplasm & ribosomes throughout cell

a)

SIMILARITIES OF PROKARYOTES AND EUKARYOTES

b)

DIFFERENCES OF PROKAYOTES AND EUKARYOTES

15.

DNA is genetic material

a)

SIMILARITIES OF PROKARYOTES AND EUKARYOTES

b)

DIFFERENCES OF PROKAYOTES AND EUKARYOTES

16.

Nucleus presence

a)

SIMILARITIES OF PROKARYOTES AND EUKARYOTES

b)

DIFFERENCES OF PROKAYOTES AND EUKARYOTES

17.

cell wall type

a)

SIMILARITIES OF PROKARYOTES AND EUKARYOTES

b)

DIFFERENCES OF PROKAYOTES AND EUKARYOTES

18.

organelles

a)

SIMILARITIES OF PROKARYOTES AND EUKARYOTES

b)

DIFFERENCES OF PROKAYOTES AND EUKARYOTES

19.

bacterium size

a)

1 to 5 micrometer

b)

1 to 5 nanometer

c)

50 to 250 nanometer

d)

50 to 250 micrometer

20.

virus size

a)

1 to 5 micrometer

b)

1 to 5 nanometer

c)

50 to 250 nanometer

d)

50 to 250 micrometer

21.

what is FLUORENCE Microscopy for?

a)

bacteria

b)

virus

c)

protozoa

d)

fungi

22.

rod-shaped

a)

Bacillus / Bacilli

b)

Coccus / Cocci

c)

Vibrio

d)

Spirillum / Spirilla

e)

Spirochete

23.

spherical or round

a)

Bacillus / Bacilli

b)

Coccus / Cocci

c)

Vibrio

d)

Spirillum / Spirilla

e)

Spirochete

24.

curved - rod

a)

Bacillus / Bacilli

b)

Coccus / Cocci

c)

Vibrio

d)

Spirillum / Spirilla

e)

Spirochete

25.

rigid wave

a)

Bacillus / Bacilli

b)

Coccus / Cocci

c)

Vibrio

d)

Spirillum / Spirilla

e)

Spirochete

26.

flexible wave

a)

Bacillus / Bacilli

b)

Coccus / Cocci

c)

Vibrio

d)

Spirillum / Spirilla

e)

Spirochete

27.

pairs

a)

diplo-

b)

strepto-

c)

straphylo-

28.

chain

a)

diplo-

b)

strepto-

c)

straphylo-

29.

grape-like

a)

diplo-

b)

strepto-

c)

straphylo-

30.

purpose of straining technique

a)

to visualize bacteria

b)

to identify bacteria

c)

to differentiate bacteria

d)

to filter bacteria

e)

to tag bacteria colony

31.

stains all bacteria the same color

typically blue

water washes stains

a)

simple stain

b)

gram stain

c)

acid-fast stain

32.

differentiates type of cell wall

a)

simple stain

b)

gram stain

c)

acid-fast stain

33.

targets the identification of mycobacteria

a)

simple stain

b)

gram stain

c)

acid-fast stain

34.

crystal violet

stains all bacteria

no OUTER MEMBRANE

thick cell wall

a)

gram +ve

b)

gram -ve

c)

acid-fact stain

35.

orangey/red

HAS OUTER MEMBRANE (releases toxin)

susceptible to tetracycline

a)

gram +ve

b)

gram -ve

c)

acid-fact stain

36.

red stain is used first

acid/alcohol is used to wash first satin

blue stain is used for all contrast

a)

gram +ve

b)

gram -ve

c)

acid-fact stain

37.

sticky layer of polysaccharide and small proteins

(a)

38.

roles of glycocalyx

a)

protection

b)

adhesion

c)

water balance

d)

penetration

e)

activation

39.

which type of bacteria you can find glycocalyx?

a)

rods

b)

spheres

c)

spirals

d)

waves

40.

Example of Glycocalyx case

a)

Haemophilus Influenzae

b)

Corynebacterium diphtheriae

c)

Neisseria gonorrhoeae

41.

thick

tightly bound

a)

Capsule Gylococalyx

b)

Slime Layer Glycocalyx

42.

thin and flowing

common to opportunistic bacteria

a)

Capsule Gylococalyx

b)

Slime Layer Glycocalyx

43.

colonies of glycocalyx-covered bacteria

makes it difficult to kill

(a)

44.

complex semi-rigid structure

responsible for cell shape

protects against osmotic pressure changes

a)

bacterial cell wall

b)

gram +ve

c)

gram -ve

45.

contains teichoic acid

a)

bacterial cell wall

b)

gram +ve

c)

gram -ve

46.

part of the cell wall in Gram-positive bacteria

target for drugs

made of phosphate and alcohol

high negative charge

(a)

47.

LPS

found in gram -ve

endotoxin which can be dangerous

antigenic

(a)

48.

small circular pieces of BACTERIAL DNA

not essential for life

"emergency gene material"

(a)

49.

Plasmids do not carry antibiotic resistance

a)

True

b)

False

50.

Bacterial (a) are dormant or resistant stage of certain bacterial cells. NOT a form reproduction. The formed when moisture or nutrients supplies are LOW.

51.

Spores are incapable of resistance and living for long periods of time.

a)

True

b)

False

52.

diseases cause by spore formers:

a)

anthrax

b)

tetanus

c)

gas gangrene

d)

c.difficile

e)

botulism

53.

long, thread-like appendages

allow bacteria to move (motility)

a)

Flagella

b)

Pili

c)

Filament

d)

Chemotaxis

54.

found in each flagellum

made of rigid protein subunits

a)

Flagella

b)

Pili

c)

Filament

d)

Chemotaxis

e)

Flagellin

55.

rotates at about 600 rpm (10 rotations per second)

bacteria can move 50 micrometer per second

a)

Flagella

b)

Pili

c)

Filament

d)

Chemotaxis

e)

Flagellin

56.

move bacteria

attracted to favourable conditions

replled by unfavourable

a)

Flagella

b)

Pili

c)

Filament

d)

Chemotaxis

e)

Flagellin

57.

sticky

many, short, hair-like appendages

a)

Flagella

b)

Pili

c)

Filament

d)

Chemotaxis

e)

Pilin

58.

help bacteria

to attach to other bacteria & surface

to transfer genetic material to another bacterial cell

a)

Flagella

b)

Pili

c)

Filament

d)

Chemotaxis

e)

Pilin

59.

protein found in each pilus

a)

Flagella

b)

Pili

c)

Filament

d)

Chemotaxis

e)

Pilin

60.

bacterial movement during FAVOURABLE condition

a)

long tumbles

b)

short runs

c)

short tumbles

d)

long runs

61.

bacterial movement during UNFAVOURABLE condition

a)

long tumbles

b)

short runs

c)

short tumbles

d)

long runs

62.

general term for sticky proteins

(a)

63.

enable bacteria to attach to surfaces

a)

fimbrae

b)

sex pili

c)

horizontal gene transfer

64.

type of bacteria that can transfer DNA from one bacterium to another

a)

fimbrae

b)

sex pili

c)

horizontal gene transfer

65.

process of DNA transfer between bacterium

a)

fimbrae

b)

sex pili

c)

horizontal gene transfer

66.

bacterial growth time

a)

20 mins to 30 hours

b)

30 mins to 20 hours

c)

2 mins to 20 hours

d)

20 mins to 3 hours

67.

temperature requirement for bacteria to grow

a)

35 - 42 celcius

b)

37 - 42 celcius

c)

37 - 40 celcius

d)

35 - 40 celcius

68.

pH requirement for bacteria to grow

a)

7.0 to 7.5

b)

6.0 to 7.5

c)

7.0 to 7.3

d)

6.5 to 7.5

69.

mesophile bacteria grow at a temp of

a)

0-20 celsius

b)

20 - 40 celsius

c)

40 - 90 celsius

70.

psychrophile bacteria grow at a temp of

a)

0-20 celsius

b)

20 - 40 celsius

c)

40 - 90 celsius

71.

thermophile bacteria grow at a temp of

a)

0-20 celsius

b)

20 - 40 celsius

c)

40 - 90 celsius

72.

flagella's size

a)

10-20 µm

b)

0.5-20 µm

c)

0.5-2 µm

d)

10-50 µm

73.

pili's size

a)

10-20 µm

b)

0.5-20 µm

c)

0.5-2 µm

d)

10-50 µm

74.

requires oxygen for LIFE

e.g. TB

a)

obligate aerobes

b)

obligate anaerobes

c)

facultative anaerobes/ aerobes

d)

microaerophiles

75.

can NOT grow in oxygen = toxic for them

a)

obligate aerobes

b)

obligate anaerobes

c)

facultative anaerobes/ aerobes

d)

microaerophiles

76.

can take or leave oxygen

a)

obligate aerobes

b)

obligate anaerobes

c)

facultative anaerobes/ aerobes

d)

microaerophiles

77.

require small amount of oxygen

too much is toxic

a)

obligate aerobes

b)

obligate anaerobes

c)

facultative anaerobes/ aerobes

d)

microaerophiles

78.

bacteria make their own food

a)

Autotrophes

b)

Heterotrophs

c)

Saprobes

d)

Parasites

79.

bacteria that need to eat food

a)

Autotrophes

b)

Heterotrophs

c)

Saprobes

d)

Parasites

80.

eat dead organisms

a)

Autotrophes

b)

Heterotrophs

c)

Saprobes

d)

Parasites

81.

eat LIVE organisms

a)

Autotrophes

b)

Heterotrophs

c)

Saprobes

d)

Parasites

82.

AGAR is ____

SATA

a)

polysaccharide from marine red algae

b)

provides semi-solid surface for bacterial growth

c)

needs added nutrients

d)

digested during usage

83.

includes beef extract, peptone, and sodium chloride

most bacteria grow well

a)

Selective Media

b)

Complex Media

c)

Differential Media

d)

Combined Selective & Differential

84.

high salt agar

7.5 % instead of 0.5%

staphylococci grow well

a)

Selective Media

b)

Complex Media

c)

Differential Media

d)

Combined Selective & Differential

85.

blood agar

most things will grow but differently

e.g. some in clusters vs. chains

a)

Selective Media

b)

Complex Media

c)

Differential Media

d)

Combined Selective & Differential

86.

has mannitol & salt agar

a)

Selective Media

b)

Complex Media

c)

Differential Media

d)

Combined Selective & Differential

87.

cell count based on light scatter

con: can't tell if dead or alive

(a)

88.

used to separate many bacteria

a)

Direct Microscope Count

b)

Standard Plate Method

c)

Streak Plate Method

d)

Pour Plate method

89.

used to count # of variable CFUs (Colony Forming Units)

a)

Direct Microscope Count

b)

Standard Plate Method

c)

Streak Plate Method

d)

Pour Plate method

100 %

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