History of Microbiology - Mock Test 17

Question 161

Source of light in fluorescence microscopy is from?

A) Mercury lamp B) Sunlight C) Both a and b D) None of these

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Question 162

The ability of Microscope to distinguish two objects into two separate objects, is called?

A) Resolving power B) Wave length C) N.1⃣ D) None of these

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Question 163

Light gathering capacity of Microscope is called?

A) Numerical aperture B) Angular aperture C) Both a and b D) None of these

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Question 164

Light gathering capacity of Microscope is called?

A) Numerical aperture B) Angular aperture C) Both a and b D) None of these

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Question 165

Condensation of light in light Microscope is by?

A) Objective B) Condensor C) Ocular D) All of these

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Question 166

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 167

Eye cannot resolve any image less than?

A) 1ìm B) 2ìm C) 7ìm D) 5ìm

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Question 168

Viral infection of bacteria was discovered by?

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

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Question 169

The term bacteriophage was coined by?

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

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Question 170

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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