Q. The RNA world hypothesis suggests that RNA acted as:

TLS Online TPP Program

#Question id: 37917

#Plant Biotechnology

Why is direct sterilization of explants taken from plants often avoided?

TLS Online TPP Program

#Question id: 37918

#Plant Biotechnology

Statement I: Seed culture is preferred when sterilization of explants taken directly from plants may damage tissues and reduce regeneration potential.

Statement II: Culturing seeds helps in raising sterile seedlings without subjecting explants to harsh sterilization procedures.

TLS Online TPP Program

#Question id: 37919

#Plant Biotechnology

Statement I: In nature, orchid seed germination requires a symbiotic association with fungi.

Statement II: Orchid seeds lack sufficient stored nutrients and therefore depend on fungal partners for germination.

TLS Online TPP Program

#Question id: 37920

#Plant Biotechnology

Statement I: Seed culture plays an important role in orchid propagation.

Statement II: Orchid seeds can be germinated in vitro without fungal association using nutrient media.

TLS Online TPP Program

#Question id: 37921

#Plant Biotechnology

The mechanical method of protoplast isolation is best suited for which type of tissues?

TLS Online TPP Program

#Question id: 37922

#Plant Biotechnology

Which of the following plant materials is commonly used for mechanical isolation of protoplasts?