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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

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

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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?

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

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Special Proteins and Crop Improvement
Involvement of sugarcane phytoalexins in red-hot resistance has been observed. The phytoalexin compound is reported to be

luteolinidin
5-0 apigeninidin
3-deoxyanthocyanidin
apigeninidin

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Special Proteins and Crop Improvement
The intervention in the communication system of nematodes offer several possibilities of bio control. Which of the following(s) play(s) a very important role in the host recognition?

Protein
Carbohydrate moiety
Lipid
Minerals

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Special Proteins and Crop Improvement
Which of the following is the class of hybridization?

all of these
Intervarietal
Interspecific
Intergeneric

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Special Proteins and Crop Improvement
cDNA clone prepared to stigma mRNA of Brassica oleracea can be used as a probe on DNA digests of segregating populations to recognize

S alleles
Both (a) and (b)
Triticum
Aegilops

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