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STD 11 - 13. Plant growth and development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 13. Plant growth and development1 Mark
MCQ
Ethylene is a
  • ✓
    Gaseous hormone
  • B
    Gaseous enzyme
  • C
    Liquid-gas mixture
  • D
    Solid hormone
✓

Answer

Correct option: A.
Gaseous hormone
a
(a)Ethylene is gaseous hormone which stimulates transverse or isodiamteric growth but retards the longitudinal one.

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