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🔬 Biology  ·  Strategies for Enhancement in Food Production  ·  NEET

What is an explant in tissue culture?

Answer: A part of a plant used to initiate tissue culture.

  • A A synthetic nutrient medium containing sucrose and agar
  • B A part of a plant used to initiate tissue culture
  • C An undifferentiated mass of cells growing on culture medium
  • D A plant growth hormone such as auxin or cytokinin

Correct answer: B. A part of a plant used to initiate tissue culture

Explanation: An explant is any part of a plant (such as a leaf, stem, or root segment) that is used to initiate tissue culture.

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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