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Father of Microbiology*

Robert Koch

Louis Pasteur’s

Edward Jenner

Antonie van Leeuwenhoek

In light / Compound Microscope*

Object is brightly illuminated

Background is brightly illuminated

Both A & B are Correct

None of the above

Condenser used to*

Adjust the intensity of light rays

Focuses the light into a sharp cone on the object

Both A & B are Correct

Magnifies the object

Diaphragm used to*

Control the amount of light rays passes through

Magnify the object

Both A & B are Correct

None of the above

Numerical aperture refers to*

Size of the cone of light that enters the objective lenses

Size of the cone of light that enters the eye piece

Both A & B are Correct

None of the above

What is Resolving power of microscope?*

Magnification of object

Produce separate images of closely placed objects

Both A & B are Correct

None of the above

What is Refractive Index?*

Light rays to pass through the lenses

Light rays to pass away the lenses

Measures the light bending ability of a medium

All the above are correct

In light microscope Objective lens capture*

Transmitted light from the object

Reflected light form the object

Un-diffracted light form the object

None of the above

Images produced in light microscope*

Real Image

Virtual image

Both Real & Virtual image

None of the above

Eye piece in light microscope further magnifies the*

Object

Real image

Both A & B are Correct

None of the above

Image which is observed by the observer in light microscope*

Real Image

Virtual image

Real & Virtual image

None of the above

Image produced in light microscope is not seen by the observer*

Real Image

Virtual image

Both A & B are correct

None of the above

Fine adjustment of light microscope is*

Used during high power objective lens in focus

Used during oil immersion objective lens in focus

Used only during low power objective lens in focus

Both A & B are correct

Why oil is not used in low and high power objective lenses of light microscope*

No refractive index occur

Both the low and high power lenses have wider opening to capture maximum light rays to pass through

Both A & B are correct

None of the above

Maximum magnification of object in light microscope*

100X

500X

1000X

1500X

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