Q. The numerical aperture is constant for each lens.

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Q. The maximum possible numerical aperture of 1.5 is for a ______________ lens.

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Q. The Feulgen stain is used for staining ____________________

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Q. Which of the following is used for the preparation of a section specimen?

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Q. A fixative _______________ the macromolecular components of a cell.

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Q. Which of the following can not be used as a fixative?

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Q. Slides containing adherent paraffin sections are immersed in __________________

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Q. Unstained specimens can be visualized using ________________

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Q. Which of the following gives a three dimensional quality of the image?

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Q. Rhodamine is a ___________________

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Q. TEM and SEM are the same microscopy techniques.

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Q. The resolving power of TEM is derived from _______________

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Q. The cathode of transmission electron microscope consists of a ____________________

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Q. The resolution attainable with standard TEM is less than the theoretical value.

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Q. During TEM, a vacuum is created inside the _________________________

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Q. Which of the following component of TEM focuses the beam of electrons on the sample?

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Q. Image formation in electron microscope is based on ___________________________

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Q. The biological materials have little intrinsic capability to ____________________

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Q. Glutaraldehyde is a ________________

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Q. Osmium is a ___________________

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