Expression of antisense RNA in transgenic plants is a general method used to eliminate the expression of all genes in a biochemical pathway activate the expression of all genes in a biochemical pathway reduce or eliminate the expression of individual genes block the expression of virus coat protein genes TRUE ANSWER : ? YOUR ANSWER : ?
Which cell-based plant technology involves the combining of two cells without cell walls from different species? Cybridization Protoplast fusion Mutant selection Clonal propagation TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following metabolites are implicated in stress tolerance? Betaines Both (a) and (b) Proline Citrate TRUE ANSWER : ? YOUR ANSWER : ?
The first field tests were conducted with which of the following genetically altered organism? bt Corn Strawberry seedlings sprayed with ice-minus bacteria The flavrsavr tomato Vaccinia virus containing a gene from the rabies virus TRUE ANSWER : ? YOUR ANSWER : ?
Resistance to L-phosphinothrium in tobacco plants is developed by the transfer of gene for GS (glutamine synthase) any of the above gene for EPSPS (5-enol-pyruvyl shikimat 3 phosphate synthase) gene for ALS (acetolactate synthase) TRUE ANSWER : ? YOUR ANSWER : ?
Bruise resistant tomatoes have been developed by the expression of antisense RNA against ACC deaminase polygalactouranase Sucrose phosphate synthase gene glycerol 1 phosphate acyl transferase TRUE ANSWER : ? YOUR ANSWER : ?
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 two PR proteins provides some protection against a few pathogens expression of one PR protein provides high levels of protection against many pathogens these provide no protection at all against pathogens TRUE ANSWER : ? YOUR ANSWER : ?
Plants derived sexually from the same plant are____ while those derived from somatic tissue from the same plant are____. different, identical different, also different plants cannot be derived from somatic tissue identical, different TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following gene detoxifies herbicide phosphinothricin? All of these Nitrilase Phosphinothricin acetyl transferase Glutathione S-transferase (GST) TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following compounds has been produced in transgenic plants to improve tolerance to salt stress and water deficit? Octopine Mannitol Nicotine Sucrose TRUE ANSWER : ? YOUR ANSWER : ?