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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development1 Mark
MCQ
Auxins are:
  • A
    Vitamins
  • B
    Enzymes
  • C
    Proteins
  • D
    Hormones
✓

Answer

  1. Hormones

Explanation:

The auxins are the plant growth hormones which are released by the plant cells.These hormones are also called as the growth regulators which are involved in various processes in the plant body.It promotes the growth by the elongation of cells in the apical meristem and the cambium in the culture cells.The most commonly known auxin is the IAA (Indole acetic acid)

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