GATE (Graduate Aptitude Test in Engineering) Microbiology: Questions 56 - 60 of 125

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Question 56

Appeared in Year: 2018

Question

Match List-Ⅰ List-Ⅱ▾

Match the scientists to their area of major contribution.

List-Ⅰ (Scientists)List-Ⅱ (Area of Major Contribution)
(A)

Carl Linnaeus

(i)

Antimicrobial agents

(B)

Antonie van Leeuwenhoek

(ii)

Taxonomy

(C)

Sir Alexander Fleming

(iii)

Microscopy

(D)

Louis Pasteur

(iv)

Vaccination

Choices

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

a.

  • (ii)
  • (i)
  • (iv)
  • (iii)

b.

  • (iv)
  • (ii)
  • (i)
  • (iii)

c.

  • (i)
  • (iv)
  • (ii)
  • (iii)

d.

  • (ii)
  • (iii)
  • (i)
  • (iv)

Question 57

Appeared in Year: 2016

Question

MCQ▾

Which one of the following phages undergoes non-integrative lysogenic phase?

Choices

Choice (4)Response

a.

λ

b.

M13

c.

T7

d.

P1

Question 58

Appeared in Year: 2018

Question

MCQ▾

Binomial nomenclature has NOT yet been adopted for

Choices

Choice (4)Response

a.

viruses

b.

protozoa

c.

fungi

d.

bacteria

Question 59

Edit

Appeared in Year: 2019

Question

Numeric Answer▾

A bacterial culture contains 500 organisms/mL in the exponential growth phase at 8 am in the morning. If you consider a generation time of 20 minutes, the total number of organisms/mL (round off to the nearest integer) after three hours (i.e.. at 11 am in the morning) will be ________.

Question 60

Appeared in Year: 2016

Question

Numeric Answer▾

The growth profile of E. coli on glucose plus lactose is shown below. The specific growth rate of the second exponential phase is________h-1.

In the Graph, the Exponential Growth

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