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Home Biotechnology Special Proteins and Crop Improvement Comments

  • Question
  • 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

  • Correct Answer
  • 3-5 Saccharum species 


  • Special Proteins and Crop Improvement problems


    Search Results


    • 1. 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
    • 2. Protoplast fusion technique generally involves

    • Options
    • A. isolation only
    • B. isolation and fusion
    • C. isolation, fusion and culturing
    • D. hybridization between two species
    • Discuss
    • 3. 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
    • Discuss
    • 4. 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
    • 5. Which of the following has been confirmed on sugarcane genotypes?

    • Options
    • A. Bacilliform virus
    • B. Cytomegalovirus
    • C. Varicella-zoster virus
    • D. Erythrovirus
    • Discuss
    • 6. 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
    • 7. 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
    • 8. Which of the following constituent/(s) is/are added to help in speedy generation of meristem culture in case of Ipomoea batatas improvement?

    • Options
    • A. Auxins
    • B. Cytokinins
    • C. Both (a) and (b)
    • D. Adenine
    • Discuss
    • 9. cDNA clone prepared to stigma mRNA of Brassica oleracea can be used as a probe on DNA digests of segregating populations to recognize

    • Options
    • A. Aegilops
    • B. Triticum
    • C. Both (a) and (b)
    • D. S alleles
    • Discuss
    • 10. Random amplified polymorphic DNA (RAPD) is a method that

    • Options
    • 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
    • Discuss


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