For the "Plantlet treatment" method, what is the standard concentration and duration of colchicine exposure described? 

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#Question id: 19459

#Applied Microbiology

Phase-contrast microscopy depends on the refractive index of the region of specimen and generates image in which we see a pattern of 

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#Question id: 19460

#Applied Microbiology

In phase contrast unobstructed light passes through a region of________ that both transmits only a small percentage of the light and changes its phase slightly.

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#Question id: 19461

#Applied Microbiology

Phase-contrast microscopy is suitable for observing which kind of sample?

1. Single cells 

2. Group of cells

3. Thin cell layers

4. Thick cell layers

Which of the following options is correct?

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#Question id: 19462

#Applied Microbiology

Splitting of incident light and then recombining them to observe interference pattern occurs in which type of microscopy?

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#Question id: 19463

#Applied Microbiology

DIC microscopy is used for visualizing 

1. Minute details

2. Thick objects

3. Thin objects

4. Larger details

Which among the following options is correct?

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#Question id: 19465

#Applied Microbiology

In microscopy histological samples are often stained with which basic dye