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Special Proteins and Crop Improvement

Special Proteins and Crop Improvement
The tumor phenotype, which can be maintained indefinitely in tissue culture, results from the expression of genes on the

m-RNA
r-DNA
T-DNA
c-DNA

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Special Proteins and Crop Improvement
Cultivated tomato species (Lycopersicon esculentum) has a high degree of resistance towards

Meloidogyne spp.nematodes
both (a) and (b)
Solarium melongena
L. peruviaanum

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Special Proteins and Crop Improvement
Which of the following have been used for cryo-preservation of germplasm with 90% tissue survival and 10%plant regeneration that are used in international exchange of germplasm?

Meristem tip cultures
Embryo cultures
Both (a) and (b)
Embryo cultures supplemented with GA3 and coconut milk

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Special Proteins and Crop Improvement
When the transposon jumps into an otherwise functional gene, it has the effect of

blocking correct transcription
initiating correct transcription
propagating correct transcription
initiating some genetic codes

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Special Proteins and Crop Improvement
In transgenic plants of Arabidipsis thaliana which of the following gene is transferred for the synthesis of PHB (polyhdroxybutyrate)?

Both (a) and (b)
Polyhydroxybutyrate synthease
Acetyl Co A reductase
Pyrophosphorylase

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Special Proteins and Crop Improvement
Which of the following technique can be used to develop nematode resistant plants?

Embryo-rescue
Mutation
All of these
Non-recombinant DNA

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