Civil Services Prep

Prelims 2021 · Science and Technology · Question 67

Bollgard I and Bollgard II technologies are mentioned in the context of

  1. clonal propagation of crop plants
  2. developing genetically modified crop plants
  3. production of plant growth substances
  4. production of biofertilizers

Answer

developing genetically modified crop plants

  • (a) Clonal propagation of crop plants: Bollgard I/II are not tissue-culture or cloning technologies. They are unrelated to vegetative propagation. Verdict: Incorrect.
  • (b) Developing genetically modified crop plants: Bollgard I and Bollgard II are Bt cotton technologies developed by inserting Bacillus thuringiensis genes for insect resistance. Verdict: Correct.
  • (c) Production of plant growth substances: These technologies are not meant for producing auxins, gibberellins, etc. Their purpose is pest resistance. Verdict: Incorrect.
  • (d) Production of biofertilizers: Bollgard technologies do not concern microbial fertilizers or nutrient enhancement. Verdict: Incorrect.
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