History of Microbiology - Mock Test 19

Question 181

The capacity of a given strain of microbial species to produce disease is known as?

A) Pathogen B) Virulence C) Infection D) None of these

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Question 182

The resolution power of the compound microscope is?

A) 0.2 micron B) 0.2 millimeter C) 0.2 Angstrom units D) 0.2 centimeter

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Question 183

Griffith (1928) reported the phenomenon of transformation first in?

A) H. influenzae B) Bacillus species C) Pneumococci D) E.coli

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Question 184

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 185

The m in imum number of bacter ia 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 186

Hybridoma technique was first discovered by?

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

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Question 187

Meosomes are also known as?

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

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Question 188

Phagocytic phenomenon was discovered by?

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

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Question 189

Tuberculosis is a?

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

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Question 190

Antiseptic surgery was discovered by?

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

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