Theories of staining Objective Question

1.Physical theories of staining do not involve reactions like:

  • a) Solubilization
  • b) Capillarity
  • c) Adsorption
  • d) Dissolution

2.Phenomenon of staining depends on:

  • a) Physical reaction
  • b) Chemical reaction
  • c) Physical and Chemical reaction
  • d) None of the above

3.The chemical theory is based on:

  • a) Electrical charge of cellular component and the charge of the dyes used
  • b) Osmosis
  • c) Capillarity
  • d) All of the above

4.The physical theory of staining is based on:

  • a) Capillarity
  • b) Osmosis
  • c) Adsorption and absorption
  • d) All of the above

5.Which of the following is not related to the physical theory of staining?

  • a) Capillarity
  • b) Absorption
  • c) Ionization
  • d) Osmosis

6.In staining, pH alters:

  • a) Effectiveness of staining
  • b) Efficacy of staining
  • c) Decolorization
  • d) All of the above