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Under a compound microscope, structures smaller than ______micrometre cannot be seen.
- Less than 2 micrometer
- Less than 0.2 micrometer
- Less than 0.02 micrometer
- Less than 0.002 micrometer
- N/A
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Answer: B Explanation: -
How many germs can you find end to end on your index finger if a bacterium is 1 micrometre long and your index finger is 6.5 cm long?
- 32,500
- 36,500
- 42,500
- 46,500
- N/A
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Answer: A Explanation: -
Under light microscope, What range of cells can be visulized?
- 10mm to 200nm
- 1mm to 200 nm
- 10 nm to 200um
- 100nm to 200um
- N/A
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Answer: A Explanation: -
In fluorescence microscopy , which of the following fluorescent absorb strongly by Mycobacterium tuberculosis?
- Fluorochrome auramineO
- Fluorescein isothiocyanate
- Malachite green fluorescent
- All of these
- N/A
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Answer: A Explanation: -
Immunofluorescence is specifically useful for diagnosis of which disease?
- Rabies
- Syphillis
- T.B
- all of these
- N/A
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Answer: D Explanation: -
Which of the following technique is useful for constructing a three-dimensional image of object?
- Phase contrast microscopy
- Confocal microscopy
- DIC microscopy
- Electron microscopy
- N/A
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Answer: B Explanation: -
Which technique of microscopy can be selected by scientist to track activity of cell in real time?
- Confocal Microscopy
- Two photon Microscopy
- Phase Contrast microscopy
- Electron microscopy
- N/A
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Answer: B Explanation: -
Which tachnique of microscopy can be selected by scientist to observe immune cell responding to an antigen?
- Confocal microscopy
- Two photon Microscopy
- Phase Contrast Microscopy
- Electron microscopy
- N/A
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Answer: B Explanation: -
Which of the following microscopic techniques can use sound wave to interpret the specimen?
- Scanning microscopy
- Acoustic Microscopy
- Transmission Scanning Microscopy
- None of these
- N/A
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Answer: B Explanation: -
Scanning acoustic microscopy can help us to interpret which of the following structures?
- Cancer cells
- Artery Plaque
- Bacterial biofilm
- All of these
- N/A
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Answer: D Explanation: