Q. In Phase contrast microscopy, the rate at which light enters through objects is__________

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Q. Which part of the light microscope controls the intensity of light entering the viewing area?

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Q. Which of the following is used in electron microscope?

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Q. Electron Microscope can give a magnification up to ___________

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Q. Which of the following are true for electron microscopy?

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Q. Degree of scattering in transmission electron microscope is a function of __________

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Q. Negative Staining is used for examining _____________

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Q. Which among the following helps us in getting a three-dimensional picture of the specimen?

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Q. The secondary electrons radiated back in scanning microscope is collected by?

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Q. On what factors do the intensity of secondary electrons depends upon?

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Q. Where do we obtain the magnified image of the specimen in SEM?

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Q. Which of the following techniques are used in Transmission Electron Microscopy (TEM) for examining cellular structure?

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Q. The dye eosinate of methylene blue belongs to which group?

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Q. What is the correct order of staining reagents in Gram-Staining?

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Q. Which bacteria appears purple-violet colour after staining?

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Q. Which of the following are true for Gram-negative bacteria?

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Q. Gram-positive bacteria are usually more susceptible to?

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Q. Which of the staining technique helps in demonstrating spore structure in bacteria as well as free spores?

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Q. In Gram-staining, iodine is used as a______________

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Q. Which of the following is the example of Gram-negative bacteria?

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