Microbial Ecology [GATE (Graduate Aptitude Test in Engineering) Microbiology]: Questions 1 - 3 of 3

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Question 1

Microbial Ecology

Appeared in Year: 2018

Question

MCQ▾

The primary product of nitrogen fixation is

Choices

Choice (4)Response

a.

N2

b.

NO3

c.

NH4 +

d.

NO2-

Question 2

Microbial Ecology

Appeared in Year: 2016

Question

MCQ▾

Which one of the following is NOT a part of human microbiome?

Choices

Choice (4)Response

a.

Bacteroides fragilis

b.

Propionibacterium acnes

c.

Streptococcus suis

d.

Lactobacillus casei

Question 3

Microbial Ecology

Appeared in Year: 2020

Question

Match List-Ⅰ List-Ⅱ▾

Match the process involved in nitrogen or sulfur cycle in group I with the corresponding microbe in group II.

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

Nitrogen fixation by a symbiotic microbe

(i)

Azotobacter

(B)

Oxidation of to sulfur

(ii)

Pseudomonas

(C)

Nitrogen fixation by free-living microbe

(iii)

Rhizobium

(D)

Denitrification

(iv)

Beggiatoa

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (iii)
  • (i)
  • (iv)

b.

  • (ii)
  • (i)
  • (iv)
  • (iii)

c.

  • (iii)
  • (iv)
  • (i)
  • (ii)

d.

  • (iii)
  • (i)
  • (ii)
  • (iv)

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