Transgenic Plant
What are the various disadvantages of cross protection?

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

ANSWER DOWNLOAD EXAMIANS APP

Transgenic Plant
Antisense technology

alters or transfers cells
selectively blocks expression of a gene
combines genetic material from different species
combines organelles and cells

ANSWER DOWNLOAD EXAMIANS APP

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 proteins trigger the production of other antimicrobial defenses
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

ANSWER DOWNLOAD EXAMIANS APP