Tropane alkaloid production in root cultures is commonly associated with plants belonging to:

TLS Online TPP Program

#Question id: 19455

#Zoology

Resolution is improved by using 

1. Shorter wavelengths of light 

2. Gathering less light

3. Gathering more light

4. Longer wavelengths of light 

Choose the option with all incorrect statements?

TLS Online TPP Program

#Question id: 19456

#Zoology

Phase contrast, dark field microscopy are all light microscopy. These microscopes have their limit of resolution upto

TLS Online TPP Program

#Question id: 19457

#Zoology

Which microscopy can be used for viewing live cells and unstained tissues?

1. Fluorescence microscopy

2. Phase contrast microscopy

3. Dark field microscopy

4. Differential interference microscopy

5. Confocal microscopy

Which of the above combinations of microscopy is correct?

TLS Online TPP Program

#Question id: 19458

#Zoology

How phase contrast and DIC microscopy are used to image live cells and unstained tissues?

TLS Online TPP Program

#Question id: 19459

#Zoology

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

TLS Online TPP Program

#Question id: 19460

#Zoology

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.