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- Question
MS medium, is found essential for initial morphogenesis of the immature embryos and to enhance callus development, when supplemented with
Options- A. GA3
- B. GA3 and coconut milk
- C. adenine
- D. adenine and kinetin
- Correct Answer
- GA3 and coconut milk
- 1. The tumor phenotype, which can be maintained indefinitely in tissue culture, results from the expression of genes on the
Options- A. T-DNA
- B. c-DNA
- C. r-DNA
- D. m-RNA Discuss
- 2. Which of the following has been confirmed on sugarcane genotypes?
Options- A. Bacilliform virus
- B. Cytomegalovirus
- C. Varicella-zoster virus
- D. Erythrovirus Discuss
- 3. Meristem culture of banana enables
Options- A. rapid multiplication
- B. elimination of bunch top virus disease
- C. both (a) and (b)
- D. slow growth Discuss
- 4. The hybrid embryo can be rescued from damage/collapse by growing it
Options- A. at low temperature
- B. at low pH
- C. at low water activity
- D. in artificial medium Discuss
- 5. Which of the following is the class of hybridization?
Options- A. Intervarietal
- B. Interspecific
- C. Intergeneric
- D. all of these Discuss
- 6. Protoplast fusion technique generally involves
Options- A. isolation only
- B. isolation and fusion
- C. isolation, fusion and culturing
- D. hybridization between two species Discuss
- 7. Microinjection technique of introducing NA is a
Options- A. physical method
- B. biological method
- C. combination of physical and biological method
- D. chemical method Discuss
- 8. Commercial sugarcane is heterozygons with germplasm from
Options- A. 1-3 Saccharum species
- B. 3-5 Saccharum species
- C. 5-7 Saccharum species
- D. 7-9 Saccharum species Discuss
- 9. In transgenic plants of Arabidipsis thaliana which of the following gene is transferred for the synthesis of PHB (polyhdroxybutyrate)?
Options- A. Acetyl Co A reductase
- B. Polyhydroxybutyrate synthease
- C. Both (a) and (b)
- D. Pyrophosphorylase Discuss
- 10. Which of the following technique can be used to develop nematode resistant plants?
Options- A. Embryo-rescue
- B. Mutation
- C. Non-recombinant DNA
- D. All of these Discuss
Special Proteins and Crop Improvement problems
Search Results
Correct Answer: T-DNA
Correct Answer: Bacilliform virus
Correct Answer: both (a) and (b)
Correct Answer: in artificial medium
Correct Answer: all of these
Correct Answer: isolation, fusion and culturing
Correct Answer: physical method
Correct Answer: 3-5 Saccharum species
Correct Answer: Both (a) and (b)
Correct Answer: All of these
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