History of Microbiology - Mock Test 9

Question 81

In Electron Microscope source of electrons is from

A) Mercury lamp B) Tungsten metal C) both a and b D) None of these

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Question 82

The minimum number of bacteria required to produce clinical evidence of death in a susceptible animal under standard condition is called

A) LD50 B) ID C) MLD D) All of these

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Question 83

Hybridoma technique was first discovered by

A) Kohler and Milstein B) Robert Koch C) ‘D’ Herelle D) Land Steiner

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Question 84

Meosomes are also known as

A) Mitochondria B) Endoplasmic reticulum C) Plasmids D) Chondroids

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Question 85

Phagocytic phenomenon was discovered by

A) Louis Pasteur B) Alexander Fleming C) Metchnikof D) Robert Koch

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Question 86

Tuberculosis is a

A) Water borne disease B) Air borne disease C) Food borne disease D) Atthropod borne disease

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Question 87

Antiseptic surgery was discovered by

A) Joseph Lister B) Ernest Abbe C) Pasteur D) Beijerink

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Question 88

During conjunction the genetic material will be transferred through

A) Cell wall B) Medium C) Pili D) Capsule

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Question 89

A mutation that produces termination codon is

A) Mis-sense mutation B) Neutral mutation C) Non-sense mutation D) Reverse mutation

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Question 90

Kuru disease in Humans is caused by

A) Bacteria B) Viroides C) Prions D) Mycoplasma

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