Special Proteins and Crop Improvement Objective Questions and Answers

1. Which of the following has been confirmed on sugarcane genotypes?

2. Involvement of sugarcane phytoalexins in red-hot resistance has been observed. The phytoalexin compound is reported to be

A. 3-deoxyanthocyanidin

3. Human serum albumin has been synthesized by

A. transgenic potato and tobacco plants

B. transgenic maize plants

C. transgenic wheat plants

D. any of the above

Discussion

4. Avermectins (AVM) are macrocyclic lactones which have potent antihelminthic and insecticidal action. They are generally derived from the mycelia of

A. Streptomyces avermitilis

5. The tumor phenotype, which can be maintained indefinitely in tissue culture, results from the expression of genes on the

6. 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?

A. Meristem tip cultures

B. Embryo cultures

C. Both (a) and (b)

D. Embryo cultures supplemented with GA3 and coconut milk

Discussion

7. Establishment of embryogenic cell suspensions with high regeneration potential is a pre-requisite for successful

A. protoplast culture

B. detection of nucleic acid sequence

C. restriction of fragment length polymorphisms

D. microinjection

Discussion

Biotechnology Objective Questions { Special Proteins and Crop Improvement }