Transgenic Plant
Starch content of potatoes can be increased by using a bacterial gene, known as

polygalactouranase gene
sucrose phosphate synthase gene
None of these
ADP glucose pyrophosphorylase gene

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

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
inoculating the susceptible strain with genes of nucleocapsid
any of the above

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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

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

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Transgenic Plant
Transgenic plants

contain foreign genes in their cells
are plants that differ in geographical locations
both (a) and (b)
are used to produce human antibodies

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