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TLS Online TPP Program

#Question id: 19458

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

#Applied Microbiology
  1. Take advantage of differences in the contrast and thickness of cellular materials
  2. Take advantage of differences in the refractive index and thickness of cellular materials
  3. Live cells show bioluminiscence
  4. Take advantage of differences in chromosomes
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TLS Online TPP Program

#Question id: 37850

#Plant Biotechnology

Which of the following processes describes the change of mature, differentiated plant cells into meristematic cells in culture?
TLS Online TPP Program

#Question id: 37851

#Plant Biotechnology

An unorganized mass of cells formed when plant tissues are cultured on agar-gelled nutrient medium is called:
TLS Online TPP Program

#Question id: 37852

#Plant Biotechnology

Why do callus cultures need to be subcultured every 3–5 weeks?
TLS Online TPP Program

#Question id: 37853

#Plant Biotechnology

Which of the following cell types can undergo dedifferentiation in suitable culture conditions?
TLS Online TPP Program

#Question id: 37854

#Plant Biotechnology

The primary requirement for a plant tissue to form a callus in vitro is:
TLS Online TPP Program

#Question id: 37855

#Plant Biotechnology

The process in which cells in callus culture regain the ability to divide is called: