History of Microbiology - Mock Test 7

Question 61

Magnification range of light microscope is

A) 1000x – 5000x B) 1000x – 2000x C) 500x – 1000x D) None of these

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Question 62

Electron Microscope was discovered by

A) Prof. Fritz B) Janssen and Hans C) Knoll and Ruska D) None of these

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Question 63

Compound Microscope was discovered by

A) A V Lewenhoek B) Pasteur C) Janssen and Hans D) None of these

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Question 64

Compound Microscope was discovered by

A) A V Lewenhoek B) Pasteur C) Janssen and Hans D) None of these

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Question 65

Eye cannot resolve any image less than

A) 1ìm B) 2ìm C) 7ìm D) 5ìm

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Question 66

The term bacteriophage was coined by

A) De’Herelle B) F.W. Twort C) Beijernick D) Jwanosky

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Question 67

The causative organism of rocky mountain spotted fever was first described by

A) Howard Ricketts B) da Rocha-lima C) Both a and b D) Robert Koch

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Question 68

L – forms are discovered by

A) Klein Berger B) Louis Pasteur C) Robert Koch D) Antony von Leeuwenhock

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Question 69

The role of phagocytosis was discovered by

A) Paul Ehrlich B) Joseph lister C) Elie Metchikoff D) Pasteur

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Question 70

Modern concepts of chemotherapy was proposed by

A) Paul Ehrlich B) Joseph Lister C) Elie Metchnikoff D) None of these

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