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🔬 Biology  ·  Strategies for Enhancement in Food Production  ·  NEET

The Opaque-2 gene is associated with which biofortification achievement?

Answer: High lysine and tryptophan content in maize.

  • A Iron-enriched beans developed through biofortification breeding
  • B Vitamin C-enriched bitter gourd developed through selective breeding
  • C Beta-carotene in Golden Rice developed through genetic engineering
  • D High lysine and tryptophan content in maize

Correct answer: D. High lysine and tryptophan content in maize

Explanation: The Opaque-2 gene in maize increases levels of lysine and tryptophan, making protein maize nutritionally superior. This was developed at CIMMYT.

Composite Fish Culture: Niches in One PondCatla (surface feeder)Rohu (middle feeder)Mrigal/Common carp (bottom feeder)

Different fish species occupy different feeding depths in the same pond without competing for food: Catla feeds near the surface, Rohu in the middle zone, and Mrigal or common carp at the bottom - letting a single pond support far more total fish than one species alone.

Concept context

Learn about animal husbandry, plant breeding, tissue culture, biofortification, and single cell protein.

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