MCB 3 - Microbiology 3 - Envt conditions & effects of anti

What do you call a microbe that loves high pH?

• mesophiles

• acidophiles

• alkaliphiles

• neutrophiles

What do you call a microbe that loves coldness?

• mesophiles

• psychrophiles

• thermophiles

• neutrophiles

Obligate aerobe cannot survive without oxygen.

• True

• False

Tags

NGSS.HS-LS2-5

Which of the following describes the oxygen requirement of the bacteria in the test tube shown?

• strict aerobe

• facultative anaerobe

• microaerophile

• aerotolerant

Tags

NGSS.HS-LS2-3

The bacteria will give a oxidase positive results.

• True

• False

Oxidase test for presence of cytochrome C, an enzyme that indicates that bacteria is able to carry out aerobic respiration.

• True

• False

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

The bacteria will give a oxidase positive results.

• True

• False

The bacteria with a oxidase positive results will give a catalase positive result also.

• True

• False

Which of the following gases are released by the gas generator envelop (GasPak) place inside the anaerobic chamber?

• CO2​ and H2​

• N2​ and O2​

• N2​ and CO2​

• H2​ and N2​

Tags

NGSS.HS-LS2-3

Given the same amount of nutrient and absence of oxygen, which of the following microbe will grow the fastest?

• Strict anaerobe

• Obligate aerobe

• microaerophile

Tags

NGSS.HS-LS2-3