Tools Techniques - Questions & Answers | Exam2Win

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1. High resolving power of electron microscope is related to

A. Electromagnets

B. Long wavelength of electrons

C. Short wavelength of electrons

D. High voltage

Explanation:

2. Present-day condenser of the optical microscope was developed by

A. Abbe

B. Tolles

C. Gesner

D. Galileo

Explanation:

3. Isopyknic or equal density centrifugation is achieved in

A. Buoyant density centrifugation

B. Density gradient centrifugation

C. Electrophoresis

D. Differential centrifugation

Explanation:

4. Electric field is used in separating chemicals in

A. Ion exchange chromatography

B. Electrophoresis

C. Thin layer chromatography

D. Column chromatography

Explanation:

5. Dye which cannot stain chromatin is

A. Crystal violet

B. Fuelgen stain

C. Haematoxylin

D. Carmine

Explanation: