Biotechnology - Special Proteins and Crop Improvement

Exercise :: Special Proteins and Crop Improvement - Section 1

  • Special Proteins and Crop Improvement - Section 1
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

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

8. 

Which of the following technique can be used to develop nematode resistant plants?

A. Embryo-rescue
B. Mutation
C. Non-recombinant DNA
D. All of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

9. 

Random amplified polymorphic DNA (RAPD) is a method that

A. stimulate production of sense RNA to compensate
B. activate the expression of all genes in a biochemical pathway
C. eliminate the expression of all genes in a biochemical pathway
D. reveals intra-specific variation and diversity between species

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

10. 

Which of the following transfers a set of genes encoded in a region called T-DNA of the Ti-plasmid into cells at wound positions?

A. A. tumefaciens
B. L. peruvianum
C. L. birsutum
D. A. sterilis

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.