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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
Certain chemical substances having profound effect on growth, are called
  • A
    Catalytic agents
  • ✓
    Phytohormones
  • C
    Enzymes
  • D
    Compost
✓

Answer

Correct option: B.
Phytohormones
b
It’s obvious.
 

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