Biological techniques-II BSc Bot

The first microscope was invented by----------------

• Robert Hooke 

• Knoll and  Ruska

• Kepler and Galilo

• Zacharis Jenssen

Which microscope is used for viewing diamonds and other precious metals in Biological techniques II B.Sc Botany 2023-2024?

• Fluorescence.

• Dark field       

• Bright field    

• Compound

Electron microscope was made by-----------

• Knoll and  Ruska

• Robert Hooke 

• Kepler and Galileo

• Zacharis

Where do we obtain the magnified image of the specimen in scanning electron

Microscope?

• Cathode ray tube    

• Phosphorescent screen

• Anode tube

•   Scanning

   

  generator

The process of colouring the cells by dyes is called--------------------

• Freezing     

• Drying

• Staining

• Dehydrating.

The ideal fixative recommended in most of the laboratories for cytological specimen is

• 80% ethanol

• 50% methanol     

• 95% ethanol.

• 85% ethanol

Which microtome is used in electron microscope

• Ultra

• ordinary

• Rotatory         

• freezing

pH meter is Specialized in Biological techniques II B.Sc Botany 2023-2024 for:

• Ammeter        

• rota meter

• Volt meter

• meter

Beer’s law states that the intensity of light decreases with respect to which of the following?

• Concentration

• Distance

• Composition

• Volume

HPLC is an abbreviation for

• High Profit Liquid Chromatography

• High Pressure Liquid Chromatography

• Higher Performance Low Chromatography

• Higher Profit Low Chromatography