GROWTH AND NUTRITION OF BACTERIA QUIZ

Postgates assay technique is useful in determining if a cell is viable even though it is

an obligate aerobe

incapable of cell division

too small to see

a thermophile

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the suitable temperature range for mesophiles?

25-40°C

20-30°C

None of these

>40°C

TRUE ANSWER : ?
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Nutrient content and biological structures are considered as

implicit factor for microbial growth

intrinsic factor for microbial growth

processing factor

None of these

TRUE ANSWER : ?
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The straightforward method of binary fission explains how bacteria

evolve

reproduce

move

grow in nutrient agar

TRUE ANSWER : ?
YOUR ANSWER : ?

Implicit factors

depend on developing microflora

both (a) and (b)

can be synergistic

None of these

TRUE ANSWER : ?
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Lag phase is also known as

period of initial adjustment

transitional period

none of these

generation time

TRUE ANSWER : ?
YOUR ANSWER : ?

An organism is completely dependent on atmospheric O2 for growth. This organism is

acidophile

facultative anaerobe

osmotolerant

obligate aerobe

TRUE ANSWER : ?
YOUR ANSWER : ?

Quantitative measurement of bacterial growth can be carried out by measuring

cell count

cell activity

all of these

cell mass

TRUE ANSWER : ?
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A microbe, which grows at temperatures above 95° C is most likely to be

a fungus

an archaean

none of these

a protozoan

TRUE ANSWER : ?
YOUR ANSWER : ?

An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

osmotolerant

aerotolerant anaerobe

acidophile

neutrophile

TRUE ANSWER : ?
YOUR ANSWER : ?

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