Research Methodology - II QUIZ

Chromatography is a method that is to use the separation of ___________

• Simple mixtures

• Complex mixtures

• Viscous mixtures

• metals

Ion exchange chromatography is based on the ____________

• Electrostatic attraction

• Electrical mobility of ionic species

• Electrostatic bond

• Magnetic attraction

Which of the following HPLC detector is used as a bulk property or general purpose detector?

• Electrochemical

• Fluorescence

• UV-Visible

• Evaporate light scattering

In gas chromatography, the basis for separation of components of the volatile material is the difference in _______

• Partition coefficient

• conductivity

• Molar weight

• molarity

In which type of chromatography, the stationary phase is held in a narrow tube and the mobile phase is forced through it under pressure?

• Column chromatography

• Planar chromatography

• Liquid chromatography

• Gas chromatography

What is eluent?

• liquid solution

• liquid solution, that is a result from elution

• It is a solvent that used for separation of absorbed material from stationary phase

• None of the above

The sectioning of woody materials for histo-enzymological study is made through

• Rotary microtome

• sledge microtome

• cryotome

• rocking microtome

Which of the following factors influencing tissue processing?

• Viscosity

• Agitation

• Heat

• All of the above

Romanowsky stain is recommended for air-dried smears.

• True

• False

Smears fixed in alcohol are stained by ................... method

• Hardy

• Papanicolaou

• Lansteiner

• Smith