A scientist is attempting to develop a transgenic crop resistant to a specific lepidopteran pest. Which gene would be the LEAST suitable candidate for transfer?
A gene encoding a Bt toxin
A gene conferring resistance to a bacterial pathogen
A gene involved in photosynthesis
A gene encoding a protein that disrupts insect gut function
Related Questions
Microbe used for biocontrol of pest butterfly caterpillars is?
Saccharomyces cerevisiae
Bacillus thuringiensis
Bacillus vibrio
Trichoderma sps…
Which of the following describes the mechanism of action of Bt toxin coded by the cry gene?
Active toxin is ingested and directly kills the insect.
Inactive protoxin is ingested and activated by the alkaline pH of the insect gut.
Active toxin is ingested and deactivated by the gut pH, then reactivated later.
Inactive protoxin is ingested and activated by enzymes in the insect's saliva.
Cultivation of Bt cotton has been much in the news. The prefix Bt means
Barium-treated cotton seeds
Bigger thread variety of cotton with better tensile strength
Produced by biotechnology using restriction enzymes and ligases
Carrying an endotoxin gene from Bacillus thuringiensis
Bruise resistant variety of tomato is the result of?
Gene cloning
Antisense RNA technology
Breeding for antinutritional factor
Mass solution
Which of the following can be controlled by using biopesticides?
Insects
Diseases
Weeds
All of these
Genetic diversity in agricultural crops is threatened by
Introduction of high yielding varieties
Intensive use of fertilizers
Extensive intercropping
Intensive use of biopesticides
Cry I endotoxins obtained from Bacillus thuringenisis are effective against?
Nematodes
Boll worms
Mosquitos
Flies
Genetically modified plants have been useful in increasing
Crop yield
Nutritional value of food
Tolerance against abiotic stresses
All of the above
Which of the following is a true for RNAi?
Controlling translation
Controlling transcription
Capping of hnRNA
Tailing of hnRNA
Which of the following vector is commonly used in transfer of gene of interest into the crop plants
Agrobacterium tumefaciens
trichoderma polysporum
Monascus purpureus
Penicillium notatum
