Methods in Microbiology [GATE (Graduate Aptitude Test in Engineering) Microbiology]: Questions 9 - 12 of 18

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Question 9

Methods in Microbiology

Appeared in Year: 2016

Question

MCQ▾

At OD-540 nm = 0.5, which one of the following bacterial mono-dispersed cell suspensions will have (i) maximum and (ii) minimum number of cells?

(P) Mycoplasma pneumoniae

(Q) Micrococcus luteus

(R) Bacillus subtilis

(S) Escherichia coli

Choose the Correct Option:

Choices

Choice (4)Response

a.

P & Q

b.

Q & R

c.

R & S

d.

P & R

Question 10

Methods in Microbiology

Appeared in Year: 2020

Question

MCQ▾

Which one of the following does not provide three-dimensional images?

Choices

Choice (4)Response

a.

Confocal scanning laser microscopy

b.

Differential interference microscopy

c.

Phase-contrast microscopy

d.

Atomic force microscopy

Question 11

Methods in Microbiology

Appeared in Year: 2017

Question

MCQ▾

Which one of the following statements is TRUE about MacConkey (MAC) agar medium?

Choices

Choice (4)Response

a.

MAC agar medium is selective and differential medium for gram positive bacteria.

b.

MAC agar medium is an enriched medium for gram positive bacteria.

c.

MAC agar medium is synthetic medium for gram positive and gram-negative bacteria.

d.

MAC agar medium is selective and differential medium for gram negative bacteria.

Question 12

Methods in Microbiology

Appeared in Year: 2018

Question

Numeric Answer▾

You have a stock solution of arginine. To prepare 1 liter of growth medium for an arginine auxotroph that requires of arginine, the volume of this stock solution that should be added is ________ mL (up to 1 decimal point) .

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