Genetic modification has?
Made crops more tolerant to abiotic stresses
Reduced reliance on chemical pesticides
Helped to reduce post-harvest losses
All of these
Related Questions
Which of the following is/are the approache(s) for biological farming?
I. Familiarity with various life-forms inhabiting the field
II. Gain knowledge about the life cycles, patterns of feeding and habitat of predators and pests
Choose the correct option
Only I
Only II
I and II
None of these
Which one of the following bacterium is used for production of transgenic plants?
Escherichia coli
Bacillus thuringiensis
Staphylococcus aureus
Agrobacterium tumefaciens
Probiotics are
Live microbial food supplement
Safe antibiotics
Cancer inducing microbes
New kind of food allergens
A strain of golden rice contains high contents of
Vitamin-A
Vitamin-K
Vitamin-E
Vitamin-C
corn the been made resistant from corn borer disease by the introduction of the gene
Cry I Ac
Cry II Ab
Cry I Ab
Cry II Ac
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.
Genetic diversity in agricultural crops is threatened by
Introduction of high yielding varieties
Intensive use of fertilizers
Extensive intercropping
Intensive use of biopesticides
All are the biotechnological application in order to increase food production, except
Developing genetically modified crops
Producing biofuels
Using microorganisms to produce fertilizers
Optimizing livestock breeding through genetic selection and embryo transfer
Product of biotechnology is
Transgenic crops (GM crops)
Humulin
Biofertilizer
All of the above
toxin gene have been expressed in plant in order to provide resistance against
I. tobacco budworm and armyworm
II. beetles
III. flies and mosquitoes
Choose the correct option
I and II
I and III
II and III
I, II and III
