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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development1 Mark
MCQ
Rhizocaline is an additional hormonal substance which is secreted by:
  • A
    Cotyledons
  • B
    Roots
  • C
    Leaves
  • D
    Stem
✓

Answer

  1. Leaves

Explanation:

Rhizocaline is a hormone or hormone-like factor distinct from auxin that is held to play a role in the formation of plant roots.

It is also called as root forming hormone and it is produced by the leaves.

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