Plant growth regulators $(PGR)$ or plant hormones are generally

  • A
    Produced from many parts of plant
  • B
    Produced from shoot apices and stem apices
  • C
    Produce single effect
  • D
    Are basic in nature

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Phytohormones are:

Plant growth regulators $(PGRs)$ are

Define or explain: Plant growth regulators.

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