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Home Biotechnology Transgenic Plant Comments

  • Question
  • ACC demainase gene is responsible for


  • Options
  • A. synthesis for ethylene
  • B. degradation of ACC an immediate precursor to ethylene
  • C. both (a) and (b)
  • D. synthesis of polygalactouranase

  • Correct Answer
  • degradation of ACC an immediate precursor to ethylene 


  • Transgenic Plant problems


    Search Results


    • 1. Tomatoes exhibiting delayed ripening express antisense RNA against

    • Options
    • A. glycerol 1 phosphate acyl transferase
    • B. polygalactouranase
    • C. ACC deaminase
    • D. sucrose phosphate synthase gene
    • Discuss
    • 2. Transgenic plants

    • Options
    • A. contain foreign genes in their cells
    • B. are used to produce human antibodies
    • C. both (a) and (b)
    • D. are plants that differ in geographical locations
    • Discuss
    • 3. The delayed ripening tomato was created by a biotechnologist who __________ a gene.

    • Options
    • A. altered
    • B. silenced
    • C. replaced
    • D. relocated
    • Discuss
    • 4. Antisense transgenic plants produced fruit that softened

    • Options
    • A. more slowly than the normal fruit
    • B. more rapidly than the normal fruit
    • C. as the normal fruits
    • D. none of these
    • Discuss
    • 5. Metabolic interference is a term used to describe a method to metabolize a compound and prevent the synthesis of something that is normally produced. What compound(s) have been targeted for metabolic interference in tomato?

    • Options
    • A. ACC (1-aminocyclopropane-1-carboxylic acid)
    • B. SAM (S-adenosylmethionine)
    • C. Both (a) and (b)
    • D. AOA (aminooxyacetic acid)
    • Discuss
    • 6. Plants derived sexually from the same plant are____ while those derived from somatic tissue from the same plant are____.

    • Options
    • A. identical, different
    • B. different, also different
    • C. different, identical
    • D. plants cannot be derived from somatic tissue
    • Discuss
    • 7. Phosphinothricin acetyl transferase is encoded by

    • Options
    • A. gene bxn in Klebsiella pneumoniae
    • B. bar gene in Streptomyces spp
    • C. both (a) and (b)
    • D. none of these
    • Discuss
    • 8. Which of the following dies from Ti plasmid infection?

    • Options
    • A. Rice
    • B. Corn
    • C. Sorghum
    • D. All of these
    • Discuss
    • 9. If the goal were to create a plant resistant to an insecticide, which cell-based plant technology would be most effective?

    • Options
    • A. Clonal propagation
    • B. Cybridization
    • C. Protoplast fusion
    • D. Mutant selection
    • Discuss
    • 10. Which of the following gene detoxifies herbicide phosphinothricin?

    • Options
    • A. Nitrilase
    • B. Glutathione S-transferase (GST)
    • C. Phosphinothricin acetyl transferase
    • D. All of these
    • Discuss


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