Microbial Taxonomy and Diversity [GATE (Graduate Aptitude Test in Engineering) Microbiology]: Questions 1 - 4 of 13

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Question 1

Microbial Taxonomy and Diversity

Question

MCQ▾

Which bacteria have membranous structure around its flagella?

Choices

Choice (4)Response

a.

Staphylococcus aureus

b.

Escherichia coli

c.

Bdellovibrio

d.

Vibrio cholerae

Question 2

Microbial Taxonomy and Diversity

Question

MCQ▾

Which component of peptidoglycan layer in bacterial cell wall protects it against the action of peptidase?

Choices

Choice (4)Response

a.

L-Amino acid

b.

NAM

c.

D-Amino acid

d.

NAG

Question 3

Microbial Taxonomy and Diversity

Appeared in Year: 2016

Question

MCQ▾

Which one of the following is the most appropriate technique to determine the relatedness of two bacterial species?

Choices

Choice (4)Response

a.

Doubling time measurement

b.

Biochemical characterization

c.

DNA hybridization

d.

Plasmid profiling

Question 4

Microbial Taxonomy and Diversity

Appeared in Year: 2019

Question

MCQ▾

Among the following characteristics listed below, select those that are the most appropriate for archaebacteria.

(i) Peptidoglycan containing muramic acid and D-amino acids are present in cell wall

(ii) Long chain branched alcohols (phytanols) bound to glycerol by ether linkages are found in the lipids of cytoplasmic membrane

(iii) First amino acid to initiate new polypeptide chain is N-Formyl methionine

(iv) Translation process is sensitive to the action of diphtheria toxin

Choose the Correct Option:

Choices

Choice (4)Response

a.

(i) , (iii)

b.

(ii) , (iv)

c.

(ii) , (iii) , (iv)

d.

(i) , (ii) , (iv)

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