Transgenic Plant
What are the various disadvantages of cross protection?

Possibility of mutations in inducing mild virus strain
Possibility of unnecessary spread of mild virus
All of these
Possibility of synergism between inducing virus and other unrelated virus

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Transgenic Plant
In transgenic plants that have been manipulated to express patho-genesis-related (PR) proteins all the time it has been shown that

these provide no protection at all against pathogens
expression of two PR proteins provides some protection against a few pathogens
expression of one PR protein provides high levels of protection against many pathogens
these proteins trigger the production of other antimicrobial defenses

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Transgenic Plant
Which of the following statements is true regarding genomics?

All of these
Researchers can make use of genomic information even if the entire genome of an organism is not known
Plant genomics lags behind similar efforts in animals and microorganisms
Researchers are busy in trying to determine the genome of the potato plant

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Transgenic Plant
Cross protection against viruses in transgenic plants can be obtained by

inoculating the susceptible strain with genes of nucleocapsid
any of the above
inoculating the susceptible strain with the coat proteins of virulent strain
inoculating the susceptible strain of a crop with a mild strain of a virus that helps in developing resistance against more virulent strain

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