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

View solution

Q. Electron Microscope can give a magnification up to ___________

View solution

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

View solution

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

View solution

Q. Negative Staining is used for examining _____________

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. In which of the following situations will the logarithmic plot of survivors be constant?

View solution

Q. A suspension of E.coli exposed to a heat treatment may yield a greater number of survivors if a plating medium of _____________ is used.

View solution