Plant Biotechnology - Study Mode
[#51] Majority of the cereals are highly recalcitrant to Agrobacterium mediated transformation, and so direct transformation methods have been developed to transform such plants. Which of the following direct transformation methods is applicable to intact plant tissues?
Correct Answer
(B) Liposome-mediated transformation
[#52] Vincristine and vinblastine, two commercially important secondary metabolites from Catharanthus roseus, are examples of
Correct Answer
(A) Alkaloids
[#53] Agrobacterium based transformation of protoplasts obtained from dicots is based on the fact that
Correct Answer
(C) These exhibits strong wound response
[#54] Match the secondary metabolites (Group I) with the corresponding plant species (Group II) . Group I Group II P. Morphine 1. Datura stramonium Q. Pyrethrins 2. Catharanthus roseus R. Scopolamine 3. Papaver somniferum S. Vincristine 4. Tagetes erecta
Correct Answer
(B) P-3, Q-4, R-1, S-2
[#55] Hydrated synthetic seeds which are produced by ion exchange reaction involve mixing the somatic embryos in a solution of
Correct Answer
(A) Sodium alginate and dropping it in a solution of calcium nitrate