The water activity (aw) of pure water is equal to:

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#Question id: 38822

#Plant Biotechnology

Q. Assertion (A): Chemicals like Virazole and Actinomycin D are added to plant culture media to produce virus-free plants. 

Reason (R): These antiviral chemicals inhibit the multiplication of viruses within the shoot-tips

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TLS Online TPP Program

#Question id: 38823

#Plant Biotechnology

Q. Assertion (A): Virazole is considered a versatile antiviral agent in biotechnology. 

Reason (R): It has demonstrated effectiveness against Potato Virus X in plants as well as various DNA and RNA viruses in animals.

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TLS Online TPP Program

#Question id: 38824

#Plant Biotechnology

3. Assertion (A): The elimination of Odontoglossum Ringspot Virus (ORSV) from Cymbidium is only possible through the use of Virazole. 

Reason (R): Treating Cymbidium shoot-tips with specific antibodies before culture can improve the frequency of virus elimination.

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TLS Online TPP Program

#Question id: 38825

#Plant Biotechnology

Q. Virus indexing is primarily carried out to:

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#Question id: 38826

#Plant Biotechnology

Q. Which virus-indexing method involves observing visible disease symptoms on test plants?

TLS Online TPP Program

#Question id: 38827

#Plant Biotechnology

Q. A major limitation of symptom scoring as a virus-indexing method is that